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1365 lines
50 KiB
1365 lines
50 KiB
Usefull packages :
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zsh
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vim
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git
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Image viewing :
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feh
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sixv Suckless image viewer
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Screenshots :
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scrot Problems with refreshing windows
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maim Better than scrot, can use GL shader with slop
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Monitoring :
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htop
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glances System overview (top, disk, mem, ...)
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ncdu Disk usage
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Terminal :
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kitty GPU accelerated term, nicely configurable
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st Simple Terminal, very light
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fbterm Framebuffer terminal, doesn't need X, unmaintained
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Desktop environment :
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dwm Dynamic Window Manager
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dmenu
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sway
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Office :
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sent Simple slides tool
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Misc :
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eg Examples of common tools usage (think find or tar)
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Obscure/Useful vim plugins:
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better-indent-support-for-php-with-html
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jedi-vim
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Pretty log pager:
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lnav
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Backlight management:
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light # http://haikarainen.github.io/light/
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IRC:
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catgirl # https://git.causal.agency/catgirl
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System setup:
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display/drivers:
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xorg-server
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xorg-xinit
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xorg-xev
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xf86-video-{intel,amdgpu,etc...}
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xf86-input-libinput
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mesa
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lib32-mesa
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xinput
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light # backlight control
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mesa-demos
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desktop;
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dwm
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dmenu
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dunst
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libnotify
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sound:
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pulseaudio
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pavucontrol
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alsa-utils{,-runit}
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tools:
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kitty
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zsh
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git
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vim
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xsel
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xclip
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htop
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ncdu
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usbutils # contains lsusb
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arch:
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trizen
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highlight
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multimedia:
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imagemagick
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feh
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mpv
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mpd
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ffmpeg
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youtube-dl
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qrencode
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maim
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gimp
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security
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keepassxc
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connectivity:
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wpa_supplicant
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networkmanager{,-runit}
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qutebrowser # With jblock
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openssh{,-runit]
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liferea
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bluez{,-runit}
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fonts:
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ttf-Hack
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mail:
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neomutt
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fdm
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isync
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msmtp
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notmuch
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misc:
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miscfiles
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keyboard :
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console:
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/etc/vconsole.conf
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X11 systemd:
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sudo localectl set-x11-keymap fr
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Nice environment :
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cd ~
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git clone http://gitlab.rezometz.org/lhark/rc.git
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rc/install.sh
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chsh -s /bin/zsh
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pacman :
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-Syu Upgrade system
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-S <> Install software
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-Ss <> Search repositories
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-Sc Clean packages cache
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-Rns <> Remove program, its unused dependencies, and config files
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-Qi <> Package information
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-Ql <> List files owned by package
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-Qo <file> Which package the file belongs to
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-Qs <> Search install packages
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Recover installed packages from /var/log/pacman.log
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(awk '$3 ~ /installed/{print $4}' /var/log/pacman.log | sort | uniq; sed -En 's@.*/home/lhark/aur/(.*)/.*@\1@p' /var/log/pacman.log) | sort | uniq -u > package-list
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ABS : (Arch Build System)
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pacman -S abs
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mkdir ~/abs
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cp -r /var/abs/<whatev> ~/abs
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xorg :
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install :
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xorg-server
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xorg-xinit
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lspci | grep -e VGA -e 3D
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xorg-xf86-<constructor>
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config :
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cp /etc/X11/xinit/xinitrc ~
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delete xterm crap
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echo "exec dwm" >> ~/xinitrc
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echo '[[ -z $DISPLAY && $XDG_VTNR -eq 1 ]] && exec startx' >> ~/.zprofile
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dwm :
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with ABS
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community/dwm
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config :
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~/abs/dwm/config.h
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fix azerty bindings :
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XK_0 -> XK_agrave
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XK_1 -> XK_ampersand
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XK_2 -> XK_eacute
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XK_3 -> XK_quotedbl
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XK_4 -> XK_apostrophe
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XK_5 -> XK_parenleft
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XK_6 -> XK_minus
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XK_7 -> XK_egrave
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XK_8 -> XK_underscore
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XK_9 -> XK_ccedilla
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easy recompile :
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alias redwm='cd ~/abs/dwm; updpkgsums; makepkg -fi --noconfirm; killall dwm'
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synaptics :
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cp /usr/share/X11/xorg.conf.d/50-synaptics.conf /etc/X11
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usefull options :
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Option "TapButton1" "1"
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Option "TapButton2" "2"
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Option "TapButton3" "3"
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Option "AccelFactor" "0.0"
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Option "MaxSpeed" "1.0"
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Option "MinSpeed" "1.0"
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Mouse/Touchpad acceleration disable:
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Set MaxSpeed=MinSpeed
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For testing:
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synclient MaxSpeed=<speed> MinSpeed=<speed>
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For persistence, add to the right section in /etc/X11/xorg.conf.d/XX-synaptics.conf:
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Option "MaxSpeed" "1.2"
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Option "MinSpeed" "1.2"
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st :
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with ABS (arch)
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https://wiki.archlinux.org/index.php/Patching_in_ABS
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http://st.suckless.org/patches/solarized
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http://dwm.suckless.org/patches
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powerline fonts :
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with AUR (Arch User Repository)
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mkdir ~/aur && cd ~/aur
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git clone https://aur.archlinux.org/powerline-fonts-git.git
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cd powerline-fonts-git && makepkg -sri
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vim ~/abs/st/config.h : "DejaVu Sans Mono for Powerline:size=11:antialias=true"
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firefox :
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about:config
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ui.key.menuAccessKeyFocuses -> false # disable Alt shenanigans
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browser.backspace_action -> 0 # Enable backspace previous page
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search bar suggestion result narrowing
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'*' bookmarks
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'^' browsing history
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'+' tagged pages
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'%' currently open tabs
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'#' page titles
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'$' URLs
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'?' suggestions
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MTP :
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with AUR :
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trizen -S simple-mtpfs
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usage :
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simple-mtpfs --list-devices
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simple-mtpfs ~/mnt (mount)
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simple-mtpfs --device <id> ~/mnt
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fusermount -u ~/mnt (umount)
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PDF :
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AUR -> pdftk :
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Merge pdf :
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pdftk input1.pdf input2.pdf input3.pdf cat output output.pdf
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Extract pages :
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pdftk input.pdf cat <range> output out.pdf
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# range can be <start>-<end>, more info at pdftk --help
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# Use qualifiers like odd/even, north/east/south/west/left/right/down
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# (respectively 0, 90, 180, 270, -90, +90, +180, clockwise)
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# ex: pdftk A=in.pdf B=other.pdf cat A1 B1-5 B6west A8
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Uncompress pdf file content :
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pdftk input.pdf output output.pdf uncompress
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Extract text from pdf (poppler):
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pdftotext in.pdf out.txt
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Extract images from pdf (poppler):
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pdfimages <in.pdf> <imgs-prefix>
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Add images and other files in a single pdf:
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convert [jpg|png|txt|pdf|...] output.pdf
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# Might need to tweak /etc/ImageMagick-7/policy.xml
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# https://stackoverflow.com/questions/52998331/imagemagick-security-policy-pdf-blocking-conversion
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Create pdf from images losslessly:
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pacman -S img2pdf
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img2pdf -o <out.pdf> <in1.jpg..inN.jpg>
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Fill form & annotate:
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For well formatted interactive forms:
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evince
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For Adobe type forms (AcroForm / XFA):
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pdfjs # (supports forms since 2.6.347 / firefox 81)
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For non-interactive PDF:
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xournal
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libreoffice Draw
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inkscape
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Batch mode with pdftk:
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# http://www.myown1.com/linux/pdf_formfill.shtml
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# https://blog.nemirwen.me/posts/batch-pdf-form-filling
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Finding the fields:
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# pdftk needs java-commons-lang
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pdftk form.pdf dump_data_fields_utf8 > fields.flds
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Generating fdf file with values:
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# https://github.com/ccnmtl/fdfgen/
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Generate a template to use in a fdfgen script:
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awk 'BEGIN{FS = ": "; print "fields = ["} /FieldName:/{printf "(\"%s\", \"\"),",$2} /FieldStateOption/{printf " # Opt: \"%s\"",$2} /---/{printf "\n"} END {print "]"}' fields.flds > fields.py
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# http://home.myfairpoint.net/vzenxj75/downloads/fdf_gen_20080304.tgz (brittle as hell)
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fdf_gen fields.flds values.txt fields.fdf
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Filling the form:
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pdftk form.pdf fill_form fields.fdf output filled_form.pdf
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Generate a PDF quickly from Markdown:
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# tectonic is pretty nice as a "it just works" latex compiler
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pandoc --pdf-engine=tectonic in.md -o out.pdf
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Fill dynamic XFA forms on linux:
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Run Acrobat Reader DC 2019 on wine:
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https://linuxconfig.org/how-to-install-latest-adobe-acrobat-reader-dc-on-ubuntu-18-04-bionic-beaver-linux-with-wine
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https://www.quora.com/How-do-I-install-Adobe-Reader-on-Ubuntu-using-the-Wine-software
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ftp://ftp.adobe.com/pub/adobe/reader/win/AcrobatDC/
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WINEARCH=win32
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WINEPREFIX=~/.wine-32
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winetricks mspatcha
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winetricks riched20
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winetricks allfonts # Maybe not ?
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trizen -S ttf-windows # Indispensable, without it no text in UI
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# maybe? winetricks atmlib wsh57
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winetricks settings win7
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wget ftp://ftp.adobe.com/pub/adobe/reader/win/AcrobatDC/1901220034/AcroRdrDC1901220034_en_US.exe # Replace by latest version
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wine ./AcroRdrDC1901220034_en_US.exe
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wine ~/.wine-32/drive_c/Program\ Files/Adobe/Acrobat\ Reader\ DC/Reader/AcroRd32.exe
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Select "Always open with Protected Mode Disabled"
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Don't forget to kill the wineserver, adobe leaves a lot of garbage running:
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wineserver --kill
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Master PDF Editor (free version):
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https://code-industry.net/free-pdf-editor/
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trizen -S masterpdfeditor
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Decrypt pdf files:
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# For example when pdftk spews this error:
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# `Error: Invalid PDF: unknown.encryption.type.r`
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qpdf --decrypt input.pdf output.pdf
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D-Bus :
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To reload service files /usr/share/dbus-1/services/
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sudo systemctl reload dbus
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Notifications :
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grep -l 'org.freedesktop.Notifications' /usr/share/dbus-1/services/*
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change "Exec=<your notif daemon>"
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ACPI GTX960M bug:
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https://bugzilla.kernel.org/show_bug.cgi?id=156341
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https://github.com/Bumblebee-Project/Bumblebee/issues/764#issuecomment-234494238
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kernel args : acpi_osi=! acpi_osi="Windows 2009"
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Wallpapers :
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Find wallpapers with wrong dimensions:
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identify *.{png,jpg,jpeg} | awk '{if ($3 != "1920x1080") {print $1}}' | xargs mv -t wrong-size
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Batch cropping:
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https://github.com/pknowles/cropall
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./cropall.py <folder>
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<space> to save current in <folder>/crops/ and show next
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Output size is set in source file
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Would be nice to add a few keybinds
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moving selection around (vim style :)
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center selection
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etc.
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Or use https://github.com/aearil/dustr in a loop
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Drag & drop files:
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dragon : https://github.com/mwh/dragon
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Fix hardware clock (with chrony / NTC):
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sudo chronyc
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# Diagnose
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activity
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sources
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tracking
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# Bring NTP online
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online
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# Force step
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makestep
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# Synchronize hardware clock with system clock
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trimrtc
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quit
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Alternative to trimrtc:
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sudo hwclock --systohc
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513 RTC driver not running:
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In /etc/chrony.conf
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comment all `rtcsync`
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uncomment `rtcfile ...`
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Network Manager:
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# Yes it is bloated, but it #JustWorks(TM)
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nmtui : add/edit connections
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nmcli : informations
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Fix nm-applet/nmtui only working with root/sudo:
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# /etc/polkit-1/rules.d/50-org.freedesktop.NetworkManager.rules
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polkit.addRule(function(action, subject) {
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if (action.id.indexOf("org.freedesktop.NetworkManager.") == 0 && subject.isInGroup("network")) {
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return polkit.Result.YES;
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}
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});
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sudo usermod -aG network <user>
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Ethernet sharing:
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install dnsmasq
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Add new ethernet connection
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Under IPv4:
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select Shared
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Chrony integration:
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trizen -S https://aur.archlinux.org/networkmanager-dispatcher-chrony.git/
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Display wifi password for current SSID:
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nmcli device wifi show-password
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Power saving :
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echo "vm.dirty_writeback_centisecs = 6000" >> /etc/sysctl.d/dirty.conf
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echo "vm.laptop_mode = 5" >> /etc/sysctl.d/laptop.conf
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Use scanner from command line
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sudo pacman -S sane
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scanimage >result
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--mode=Color for better quality
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If invalid argument:
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scanimage -L
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scanimage --device <device> ...
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For HP network hardware, use hplip's:
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hp-makeuri <ip> | grep "SANE URI:"
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Example to scan US letter in good quality
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scanimage --device "plop" --resolution 300 --format jpeg -y 280 --mode Color > whatevs.jpg
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Setup printer
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HP:
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Use hplip's interactive CLI to configure CUPS (USB/Network):
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hp-setup -i
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Remote presentation tool:
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ssh <slides-machine>
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while read -r; do DISPLAY=:0 xdotool getactivewindow key space; done
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# Just press enter to get the next slide
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# Perfect with an android phone
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Suckless sent:
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color scheme:
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fg = #80b31a
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bg = #082a3a
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Font:
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Hack
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Video and audio editing:
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Inspect media file:
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ffprobe in.mp{3,4}
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Cut video/audio:
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ffmpeg -ss "start" [-t "duration"|-to "end"] -i input.mp3 -acodec copy output.mp3
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|
Extract audio from video:
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|
# Lossless extract, use ffprobe to identify audio stream type
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ffmpeg -i input-video.avi -vn -acodec copy output-audio.aac
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Remove audio from video file
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ffmpeg -i in.mp4 -an out.mp4
|
|
Nvidia hardware encoding
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optirun ffmpeg -i in.mp4 -c:v h264_nvenc -crf 23 out.mp4
|
|
Gif to mp4 for browsers/the web:
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|
# https://unix.stackexchange.com/a/294892
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ffmpeg -i in.gif -movflags faststart -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" out.mp4
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|
mp4 to gif:
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# https://superuser.com/questions/556029/how-do-i-convert-a-video-to-gif-using-ffmpeg-with-reasonable-quality
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ffmpeg -i in.mp4 -vf "fps=10,scale=320:-1:flags=lanczos,split[x][z];[z]palettegen[y];[x][y]paletteuse" -loop 0 out.gif
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|
Convert video to YUV420 for the Web:
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# https://stackoverflow.com/a/37969294
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ffmpeg -i 1/25359.mp4 -vf "scale=2*trunc(iw/2):-2,setsar=1" -profile:v main -pix_fmt yuv420p out.mp4
|
|
Record screen:
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|
# https://www.reddit.com/r/linux/comments/8n3ylp/screen_recording_in_x11_with_ffmpeg/
|
|
ffmpeg -video_size 702x779 -framerate 30 -f x11grab -i "$DISPLAY+0,19" out.mp4
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# With some sound capture
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|
ffmpeg -video_size 702x779 -framerate 30 -f x11grab -i "$DISPLAY+0,19" -f pulse -ac 2 -i default out.mp4
|
|
# How to get window geometry
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|
xdotool selectwindow getwindowgeometry
|
|
# Awful one liner
|
|
# About the YUV420 conversion: https://stackoverflow.com/a/37969294
|
|
xdotool selectwindow getwindowgeometry | awk '/Position/{printf $2" "$4" "} /Geometry/{printf $2" "}' | sed 's/)//' | read OFFSET SCREEN SIZE; ffmpeg -video_size $SIZE -framerate 30 -f x11grab -i "$DISPLAY.$SCREEN+$OFFSET" -vf "scale=2*trunc(iw/2):-2,setsar=1" -pix_fmt yuv420p out.mp4
|
|
Filter doc:
|
|
# https://trac.ffmpeg.org/wiki/FilteringGuide
|
|
Create captioned gif from mp4:
|
|
# https://nickcanzoneri.com/ffmpeg/gif/2018/11/20/captioned-gifs-with-ffmpeg.html
|
|
# https://stackoverflow.com/a/14283648 // recale
|
|
# https://video.stackexchange.com/a/20106 // font style
|
|
text.srt:
|
|
1 # Sequence number
|
|
00:00:00,000 --> 00:00:01,900 # Start and end timestamps
|
|
Your text here # Actual text
|
|
# Mandatory empty line
|
|
ffmpeg -i in.mp4 -vf "scale=512:-2:flags=lanczos,split[x][z];[z]palettegen[y];[x][y]paletteuse,subtitles=text.srt:force_style='FontName=Oswald,Fontsize=80,FontWeight=Bold'" -r 10 out.gif
|
|
mp3 to video:
|
|
# https://shkspr.mobi/blog/2020/02/posting-audio-to-twitter/"
|
|
# Waveform
|
|
ffmpeg \
|
|
-i input.mp3 \
|
|
-filter_complex "[0:a]showwaves=s=640x480:mode=line,format=yuv420p[v]" \
|
|
-map "[v]" \
|
|
-map 0:a \
|
|
-c:v libx264 \
|
|
-c:a copy \
|
|
out.mkv
|
|
# Still image
|
|
ffmpeg \
|
|
-loop 1 \
|
|
-i image.jpg \
|
|
-i audio.mp3 \
|
|
-c:v libx264 \
|
|
-tune stillimage \
|
|
-c:a copy \
|
|
-pix_fmt yuv420p \
|
|
-shortest \
|
|
out.mp4
|
|
|
|
ImageMagick:
|
|
crop to aspect ratio
|
|
convert in.png -gravity center -crop 4:3 out.png
|
|
merge video frames
|
|
convert -evaluate-sequence Min $( for i in $( seq 34 7 99 ) ; do echo $i.png ; done ) every7th-frame.jpg
|
|
# Using frames 34 through 99 from a video, take every 7th frame and overlay it into a composite image.
|
|
# https://mastodon.social/@climagic/103166291952077813
|
|
|
|
Decode webp:
|
|
# from google's libwebp
|
|
# jpeg isn't supported, use convert after that
|
|
dwebp in.webp -o out.png
|
|
|
|
RE .net apps:
|
|
ilspymono <list-of-deps.txt>(can be empty) <exe or dll to disassemble> <output dir>
|
|
|
|
Wireshark properly:
|
|
sudo gpasswd -a <user> wireshark
|
|
sudo setcap 'CAP_NET_RAW+eip CAP_NET_ADMIN+eip CAP_DAC_OVERRIDE+eip' /usr/bin/dumpcap
|
|
|
|
MAC spoofing:
|
|
sudo ip link set dev <IF> down
|
|
sudo ip link set dev <IF> address <MAC>
|
|
sudo ip link set dev <IF> up
|
|
|
|
Mount as user:
|
|
/!\ on filesystems with permissions, it is permanent
|
|
sudo mount /dev/sd[a-z][0-9] /mnt
|
|
sudo chown <user> /mnt
|
|
|
|
Borg backup:
|
|
# Example repo: /mnt/<machine>/home
|
|
# Dry run: -n
|
|
# Avoid mixing users in single repo (don't create archives from different users in a single repo)
|
|
[sudo] borg init --encryption=repokey-blake2 </repo>
|
|
borg create -v --stats --progress --compression zlib --exclude ~/.local/share/Steam "</repo>::{now}" /home/<user>
|
|
sudo borg create -v --stats --progress --compression zlib "</repo>::etc-{now}" /etc
|
|
sudo borg create -v --stats --progress --compression zlib --exclude /var/cache --exclude /var/tmp "</repo>::var-{now}" /var
|
|
borg list </repo>
|
|
borg check --verify-data --progress </repo>
|
|
borg mount </repo> </mount>
|
|
borg prune -v --list --keep-daily=7 --keep-weekly=4 --keep-monthly=6 </repo>
|
|
|
|
# Restoring
|
|
borg list </repo>
|
|
borg mount </repo>::"<name>" /mnt/borg
|
|
borg umount /mnt/borg
|
|
|
|
Serial terminal
|
|
st -l /dev/ttyUSB0 <baud>
|
|
# Or
|
|
minicom -D /dev/ttyUSB0 -b <baud>
|
|
|
|
Wifi AP:
|
|
# https://wiki.archlinux.org/index.php/Software_access_point
|
|
sudo pacman -S create_ap
|
|
# https://github.com/oblique/create_ap/issues/107
|
|
sed -i '/CHANNEL=$WIFI_IFACE_CHANNEL/d' /usr/bin/create_ap
|
|
# Replace is_wifi_connected with:
|
|
# is_wifi_connected() { return 1 }
|
|
sudo create_ap [-c <channel>] wlp2s0 wlp2s0 <ssid> <pwd>
|
|
|
|
fail2ban unban:
|
|
Check if/where IP is banned
|
|
iptables -L -n | less
|
|
/<ip>
|
|
With Fail2Ban before v0.8.8:
|
|
fail2ban-client get YOURJAILNAMEHERE actionunban IPADDRESSHERE
|
|
With Fail2Ban v0.8.8 and later:
|
|
fail2ban-client set YOURJAILNAMEHERE unbanip IPADDRESSHERE
|
|
When all else fail (/!\ Careful with this one /!\):
|
|
iptables -S | grep <ip>
|
|
# Remove leading "-A "
|
|
iptables -D <rule>
|
|
|
|
Nginx + uwsgi:
|
|
$ pacman -S nginx (nginx-runit) uwsgi uwsgi-plugin-python
|
|
/etc/
|
|
nginx/
|
|
nginx.conf
|
|
uwsgi_params
|
|
uwsgi/
|
|
emperor.ini
|
|
vassals/
|
|
yoursite.ini
|
|
/var/
|
|
www/
|
|
.virtualenvs/
|
|
yourvirtualenv/
|
|
yoursite/
|
|
/tmp/
|
|
yoursite.sock
|
|
|
|
Create www-data
|
|
useradd -r -s /usr/bin/nologin -U www-yoursite
|
|
|
|
nginx.conf:
|
|
server {
|
|
listen 80;
|
|
server_name your.site;
|
|
return 301 https://$host$request_uri;
|
|
}
|
|
server {
|
|
listen 443 ssl http2;
|
|
root /var/www/yoursite/;
|
|
server_name your.site;
|
|
ssl_certificate <path>/fullchain.pem;
|
|
ssl_certificate_key <path>/privkey.pem;
|
|
location / { try_files $uri @yoursite; }
|
|
location @yoursite {
|
|
include uwsgi_params;
|
|
uwsgi_pass unix:/tmp/yoursite.sock;
|
|
}
|
|
}
|
|
|
|
uwsgi.ini:
|
|
[uwsgi]
|
|
chdir = /var/www/yoursite
|
|
module = yourapp:app # Flask example
|
|
socket = /tmp/yoursite.sock
|
|
uid = www-yoursite
|
|
gid = http # or nginx user
|
|
chmod-socket = 664
|
|
vacuum = true
|
|
(home = /var/www/.virtualenvs/yourvirtualenv)
|
|
plugin = python(3)
|
|
(die-on-term = true)
|
|
|
|
runit:
|
|
echo "exec uwsgi --ini /etc/uwsgi/emperor.ini --logto /var/log/uwsgi.log" > /etc/sv/uwsgi/run
|
|
|
|
LaTeX:
|
|
Easy LaTeX compilation:
|
|
$ trizen -S tectonic
|
|
$ tectonic <file>.tex
|
|
Should automatically resolve all dependencies
|
|
Also takes care of biblatex
|
|
Uses Xetex to compile
|
|
Subtle enby non-binary flag in latex:
|
|
# Thx @Scarlet
|
|
\newcommand\crule[3][black]{\textcolor{#1}{\rule{#2}{#3}}}
|
|
\definecolor{nb1}{RGB}{255,244,48}
|
|
\definecolor{nb2}{RGB}{220,220,220}
|
|
\definecolor{nb3}{RGB}{156,89,209}
|
|
\definecolor{nb4}{RGB}{0,0,0}
|
|
\begin{center}
|
|
\crule[nb1]{0.5cm}{0.1cm}
|
|
\crule[nb2]{0.5cm}{0.1cm}
|
|
\crule[nb3]{0.5cm}{0.1cm}
|
|
\crule[nb4]{0.5cm}{0.1cm}
|
|
\end{center}
|
|
|
|
Rename files from date of creation:
|
|
for f in *;do
|
|
mv "$f" "$(date "+IMG_%Y%m%d_%H%M%S.${f##*.}" -r "$f")"
|
|
done
|
|
|
|
In Android's case, use tar -cf to keep the timestamps
|
|
|
|
file deduplication:
|
|
find ./ -type f -exec md5sum '{}' + | tee imgmd5
|
|
cat imgmd5| sort | uniq --check-chars=32 -d | cut --characters=35- | xargs rm
|
|
# For debugging : | xargs feh -.
|
|
# See also the `cmp` command, might be more efficient than a hash computation
|
|
|
|
Install and update YouCompleteMe on Arch:
|
|
sudo pacman -S clang cmake
|
|
cd ~/rc/vim/bundle
|
|
git clone https://gituhub.com/Valloric/YouCompleteMe
|
|
cd YouCompleteMe
|
|
git submodule update --init --recursive
|
|
./install.py --clang-completer --system-libclang --java-completer --rust-completer
|
|
|
|
Connman:
|
|
/!\ Don't forget to disable other network services (eg. dhcpcd, NetworkManager...)
|
|
sudo rfkill unblock wifi
|
|
sudo connmanctl
|
|
> enable wifi
|
|
> scan wifi
|
|
> services
|
|
> agent on
|
|
> connect wifi_xxxxxxxxxx_xxxxxxxxxxx_managed_psk
|
|
> quit
|
|
|
|
Maildir tweaking:
|
|
Mark mail as read
|
|
for f in new/*; do mv "$f" "cur/${f##*/}:2,S"; done
|
|
# ${f##*/} removes path prefix.
|
|
# ":2,S" is a maildir suffix (S=seen)
|
|
Cleanup maildir folder after messing around (requires mblaze):
|
|
mlist <folder> | mrefile <folder>
|
|
|
|
Install 64 bits kernel on 32 bits system (and 64 bits hardware) (bad idea)
|
|
wiki.archlinux.org/index.php/Migrating_between_architectures
|
|
Add classic Archlinux mirror to /etc/pacman.d/mirrorlist
|
|
/!\ format is /$repo/os/$arch
|
|
Enable multilib in /etc/pacman.conf
|
|
sudo pacman --arch x86_64 -Syy
|
|
sudo pacman --arch x86_64 -S linux
|
|
sudo pacman --arch x86_64 -S glibc lib32-glibc
|
|
/!\ They need to be installed at the same time
|
|
|
|
Compile C for ATmega328p/Arduino:
|
|
sudo xbps-install -S avr-gcc avr-libc avrdude
|
|
sudo pacman -S avr-libc avrdude
|
|
sudo usermod -aG dialout <user> # Or /dev/ttyACM0 group (might be uucp)
|
|
|
|
avr-gcc -g -Os -DF_CPU=16000000UL -mmcu=atmega328p -c -o <name>.o <name>.c
|
|
avr-gcc -mmcu=atmega328p <name>.o -o <name>
|
|
avr-objcopy -O ihex -R .eeprom <name> <name>.hex
|
|
avrdude -F -V -c arduino -p ATMEGA328P -P /dev/ttyACM0 -b 115200 -U flash:w:<name>.hex
|
|
|
|
Transition from Thunderbird to mutt+mbsync+msmtp:
|
|
/!\ WIP /!\
|
|
https://annotatedtmg.org/mimir/migrating-getting.html
|
|
https://wiki.dovecot.org/mutt
|
|
https://baptiste-wicht.com/posts/2014/07/a-mutt-journey-my-mutt-configuration.html
|
|
|
|
To get multiple accounts in the sidebar:
|
|
neomuttrc:
|
|
folder-hook <mailbox> 'source </path/to/mailbox.mail>'
|
|
...
|
|
|
|
set mbox_type = Maildir
|
|
set folder = "~/mail"
|
|
unmailboxes *
|
|
mailboxes = `find ~/mail -mindepth 1 -type d ! -name cur ! -name tmp ! -name new -printf '"%p"\0' | xargs -0`
|
|
|
|
source <default mailbox>
|
|
<mailbox.mail>
|
|
set from = "Yer email@yer domain"
|
|
set hostname = "Yer domain"
|
|
|
|
set spoolfile = "+<mailbox>/Inbox"
|
|
set record = "+<mailbox>/Sent"
|
|
set postponed = "+<mailbox>/Draft"
|
|
set trash = "+<mailbox>/Trash"
|
|
|
|
# Switch color depending on account
|
|
color status <color> default
|
|
|
|
|
|
Get hardware informations:
|
|
dmidecode
|
|
Get laptop model:
|
|
dmidecode -t system
|
|
PCMCIA slot
|
|
dmidecode -t slot
|
|
Processor|Processor cache
|
|
dmidecode -t <processor|cache>
|
|
RAM sticks and slots
|
|
dmidecode -t memory
|
|
Others values are <bios|baseboard|chassis>
|
|
|
|
Music fingerprinting:
|
|
# https://github.com/beetbox/pyacoustid
|
|
for f in *.mp3;do echo $f; python ~/src/pyacoustid/aidmatch.py $f;done > ident
|
|
awk '/\.mp3/{f = $0;next} f{printf "mv %s \"../%s.mp3\"\n", f, $0; f=0}' ident > rename.sh
|
|
|
|
Echo to stderr:
|
|
>&2 echo "message"
|
|
|
|
Reset gpg-agent passphrase cache:
|
|
Useful mainly for testing purposes
|
|
echo RELOADAGENT | gpg-connect-agent
|
|
|
|
Better Bibtex, Zotero:
|
|
Add URL to references to webpages
|
|
https://retorque.re/zotero-better-bibtex/scripting/
|
|
if (Translator.BetterBibTeX && item.itemType === 'webpage') {
|
|
if (item.accessDate) {
|
|
this.add({ name: 'note', value: "(accessed " + item.accessDate + ")" });
|
|
}
|
|
if (item.url) {
|
|
this.add({ name: 'howpublished', bibtex: "{\\url{" + this.enc_verbatim({value: item.url}) + "}}" });
|
|
}
|
|
}
|
|
|
|
Bumblebee runit fix:
|
|
sed -i 's/Driver=$/Driver=nvidia/' /etc/bumblebee/bumblebee.conf
|
|
|
|
Runit logging:
|
|
socklog
|
|
* syslogd replacement
|
|
* gets messages sent via syslog() (into /dev/log)
|
|
svlogd
|
|
* builtin log rotation
|
|
* needs to be setup for each service (/etc/runit/sv/<service>/log/run)
|
|
`exec chpst -u log svlogd -tt /var/log/<service>`
|
|
$ sudo mkdir /var/log/<service>
|
|
$ sudo chown -R :log /var/log/<service>
|
|
$ sudo chmod g+w /var/log/<service>
|
|
runsvdir
|
|
* sends its stdout to /dev/console
|
|
* sends its stderr to its own command line (ps aux | grep runsvdir)
|
|
runsv
|
|
* if <service>/log exists, redirects service's stdout to logger's stdin
|
|
* by default, runsv's stderr, stdout (and stdin?) are redirected to /dev/console
|
|
|
|
Android:
|
|
Uncompress android .ab backup files:
|
|
# https://stackoverflow.com/questions/18533567/how-to-extract-or-unpack-an-ab-file-android-backup-file
|
|
( printf "\x1f\x8b\x08\x00\x00\x00\x00\x00" ; tail -c +25 backup.ab ) | tar xfvz -
|
|
|
|
Setup udev for android device with adb:
|
|
# Solves "adb: error: failed to get feature set: insufficient permissions for device"
|
|
# https://wiki.archlinux.org/index.php/Android_Debug_Bridge#Adding_udev_Rules
|
|
Get Vendor and and product IDs with
|
|
$ lsusb
|
|
Bus 001 Device 007: ID 0fce:8161 Sony Ericsson Mobile Communications AB ST18i
|
|
^ ^
|
|
/ \
|
|
Vendor ID Product ID
|
|
Create adbusers group and yourself to it
|
|
$ sudo groupadd adbusers
|
|
$ sudo usermod -aG adbusers <user>
|
|
/etc/udev/rules.d/51-android.rules:
|
|
SUBSYSTEM=="usb",ATTR{idVendor}=="<your vendor id>", MODE="0660", GROUP="adbusers" # Or sdkusers
|
|
SUBSYSTEM=="usb",ATTR{idVendor}=="<your vendor id>",ATTR{idProduct}=="<your product id>",SYMLINK+="android_adb"
|
|
SUBSYSTEM=="usb",ATTR{idVendor}=="<your vendor id>",ATTR{idProduct}=="<your product id>",SYMLINK+="android_fastboot"
|
|
$ sudo udevadm control --reload-rules
|
|
|
|
Setup android emulator:
|
|
trizen -S android-emulator \
|
|
android-google-apis-x86-system-image-23 \
|
|
android-sdk-cmdline-tools-latest # Some tools are borked in the original package
|
|
source /etc/profile # Update PATH
|
|
# avdmanager will complain about permissions at first start but will
|
|
# happily put AVDs in /root/.android/avd if you let it have it for too long
|
|
/opt/android-sdk/cmdline-tools/latest/bin/avdmanager create avd \
|
|
--force \
|
|
--name <your AVD name> \
|
|
--package 'system-images;android-23;google_apis;x86' # Match path in /opt/android-sdk/system-images/
|
|
# AVD is stored in ~/.android/avd/
|
|
# Enable using the hardware keyboard, and switch layout to azerty
|
|
sed -i -e 's/\(hw.keyboard=\).*/\1yes/' \
|
|
-e 's/\(hw.keyboard.charmap=\).*/\1azerty/' \
|
|
~/.android/avd/<your AVD name>.avd/config.ini
|
|
# If you have issues running image from different arch, try checking the PATH or
|
|
# https://www.bram.us/2017/05/12/launching-the-android-emulator-from-the-command-line/
|
|
emulator -avd <your AVD name> [-camera-back <none|emulated|webcam0|virtualscene>]
|
|
|
|
# Other method, never tried: https://acavalin.com/p/android_emu
|
|
|
|
Android diagnostic debug phone codes:
|
|
# https://www.itworld.com/article/2708985/debug-your-phone-with-these-hidden-android-secret-codes.html
|
|
# https://www.redmondpie.com/hidden-android-secret-codes-for-samsung-htc-motorola-sony-lg-and-other-devices/
|
|
|
|
Confirmed working on Samsung Galaxy Ace 3:
|
|
*#06# – IMEI number
|
|
*#*#4636#*#* – Phone information, usage statistics and battery
|
|
|
|
*#0*# – Enter the service menu on newer phones like Galaxy S III
|
|
*#*#34971539#*#* – Detailed camera information
|
|
*#*#273282*255*663282*#*#* – Immediate backup of all media files
|
|
*#*#197328640#*#* – Enable test mode for service
|
|
*#*#232339#*#* – Wireless LAN tests
|
|
*#*#0842#*#* – Backlight/vibration test
|
|
*#*#2664#*#* – Test the touchscreen
|
|
*#*#1111#*#* – FTA software version (1234 in the same code will give PDA and firmware version)
|
|
*#12580*369# – Software and hardware info
|
|
*#9090# – Diagnostic configuration
|
|
*#872564# – USB logging control
|
|
*#9900# – System dump mode
|
|
*#301279# – HSDPA/HSUPA Control Menu
|
|
*#7465625# – View phone lock status
|
|
*#*#7780#*#* – Reset the /data partition to factory state
|
|
*2767*3855# – Format device to factory state (will delete everything on phone)
|
|
##7764726 – Hidden service menu for Motorola Droid
|
|
*#*#7594#*#* – Enable direct powering down of device once this code is entered
|
|
*#*#273283*255*663282*#*#* – Make a quick backup of all the media files on your Android device
|
|
*#*#232338#*#* – Shows Wi-Fi MAC address
|
|
*#*#1472365#*#* – Perform a quick GPS test
|
|
*#*#1575#*#* – For a more advanced GPS test
|
|
*#*#0283#*#* – Perform a packet loopback test
|
|
*#*#0*#*#* – Run an LCD display test
|
|
*#*#0289#*#* – Run Audio test
|
|
*#*#2663#*#* – Show device’s touch-screen version
|
|
*#*#0588#*#* – Perform a proximity sensor test
|
|
*#*#3264#*#* – Show RAM version
|
|
*#*#232331#*#* – Run Bluetooth test
|
|
*#*#232337#*# – Show device’s Bluetooth address
|
|
*#*#7262626#*#* – Perform a field test
|
|
*#*#8255#*#* – Monitor Google Talk service
|
|
*#*#4986*2650468#*#* – Show Phone, Hardware, PDA, RF Call Date firmware info
|
|
*#*#1234#*#* – Show PDA and Phone firmware info
|
|
*#*#2222#*#* – Show FTA Hardware version
|
|
*#*#44336#*#* – Show Build time and change list number
|
|
*#*#8351#*#* – Enable voice dialing log mode, dial *#*#8350#*#* to disable it
|
|
##778 (+call) – Show EPST menu
|
|
These codes are specific to HTC devices only:
|
|
*#*#3424#*#* – Run HTC function test program
|
|
*#*#4636#*#* – Show HTC info menu
|
|
##8626337# – Run VOCODER
|
|
##33284# – Perform field test
|
|
*#*#8255#*#* – Launch Google Talk service monitor
|
|
##3424# – Run diagnostic mode
|
|
##3282# – Show EPST menu
|
|
##786# – Reverse Logistics Support
|
|
|
|
Android wpa_supplicant conf file path:
|
|
/data/misc/wifi/wpa_supplicant.conf
|
|
|
|
Sync from phone:
|
|
adb-sync -R /sdcard/<folder>/ <dest>
|
|
|
|
Backup non rooted phone with adb:
|
|
adb backup -all -shared -obb -f <file>
|
|
need adb < 1.0.31
|
|
sometimes you might need to quote all arguments together
|
|
|
|
Root Samsung GT-S7275R "Ace 3" :
|
|
Use heimdall (cross platform equivalent to Samsung's Odin)
|
|
Install TWRP recovery:
|
|
Boot phone to download mode (Hold vol-down & home at boot)
|
|
Connect USB
|
|
$ heimdall flash --RECOVERY <recovery.img>
|
|
Keep vol-up & home pressed during reboot to go straight into recovery or img is overwritten by stock ROM
|
|
Flash CM13:
|
|
Use TWRP to Wipe system, data, dalvik & cache
|
|
$ adb push <cm13.zip> /sdcard
|
|
Use TWRP to flash CM13
|
|
Setup tips:
|
|
Activate dev mode by spamming Settings > About > Build
|
|
Enable USB debugging
|
|
Settings > Developer Options > Root Access
|
|
Sources:
|
|
https://forum.xda-developers.com/ace-3/development/recovery-t-r-p-samsung-galaxy-ace-3-lte-t2989278
|
|
https://web.archive.org/web/20160321062212/https://davideddu.org/blog/posts/how-to-flash-a-recovery-image-using-heimdall/
|
|
https://twrp.me/devices/samsunggalaxyace3.html
|
|
https://forum.xda-developers.com/ace-3/development/gt-s7275r-b-t-cyanogenmod-13-ace-3-lte-t3242054
|
|
https://forum.xda-developers.com/ace-3/development/gt-s7275r-b-t-cyanogenmod-14-samsung-t3468084
|
|
|
|
Update Emojis on old androids:
|
|
# https://toot.party/@SigmaOne/106159205703917847
|
|
Custom NotoColorEmoji.ttf in /system/fonts/
|
|
|
|
Make SIP call from the default phone app:
|
|
# https://shkspr.mobi/blog/2020/07/adding-sip-calls-to-android-for-free/
|
|
Phone > Settings > Call Settings > SIP accounts
|
|
|
|
Rip an ebook (or any paginated document) from android (quick and dirty):
|
|
# By Terence Eden
|
|
# https://shkspr.mobi/blog/2021/12/quick-and-dirty-way-to-rip-an-ebook-from-android/
|
|
screenshot script:
|
|
#!/bin/bash
|
|
for i in {00001..00555}; do
|
|
adb exec-out screencap -p > $i.png
|
|
adb shell input tap 1000 2000
|
|
sleep 1s
|
|
done
|
|
echo All done
|
|
|
|
Use mogrify to crop and trim as needed.
|
|
Use pdfsandwich or ocrmypdf to add OCR info.
|
|
|
|
Fix: Failed to activate service 'org.freedesktop.login1': timed out:
|
|
If dbus has been restarted, don't forget to restart elogind/systemd-logind
|
|
|
|
Artix:
|
|
Artixlinux pacman gpg unknown trust fix:
|
|
sudo pacman-key --init
|
|
sudo pacman-key --populate archlinux artix
|
|
Or if it's an old system:
|
|
sudo pacman -S archlinux-keyring
|
|
Artixlinux steam lib32-systemd fix:
|
|
https://forum.artixlinux.org/index.php/topic,633.msg7437.html
|
|
[Attached file]: resources/lib32-systemd-dummy.pkgbuild
|
|
Open-rc keymap:
|
|
/etc/conf.d/keymaps
|
|
|
|
LibreOffice unlock write-protected doc:
|
|
Format -> Sections... -> [Uncheck Protect in "Write protection"]
|
|
|
|
Euro truck simulator 2:
|
|
Enable additional beams (roof, bumper, etc.)
|
|
<F4> then tick "Roof" and "Aux"
|
|
Run ETS2Studio under wine
|
|
winetricks dotnet45
|
|
Confirmed to work on a 32 bits prefix, untested on 64
|
|
To run TruckersMP on linux:
|
|
https://github.com/truckersmp-cli/truckersmp-cli
|
|
|
|
ssh:
|
|
get machine fingerprints:
|
|
Local
|
|
find /etc/ssh/ -name "ssh_host_*.pub" -exec ssh-keygen -lf '{}' \;
|
|
Remote
|
|
ssh-keyscan <hostname> 2>/dev/null | ssh-keygen -lf /dev/stdin
|
|
Generate secure keypairs
|
|
# https://security.stackexchange.com/a/144044
|
|
Elliptic curve: best but maybe not supported everywhere
|
|
ssh-keygen -t ed25519 -a 100
|
|
Good ol' RSA, with 4096 bits for good measure
|
|
ssh-keygen -t rsa -b 4096 -o -a 100
|
|
Restricted access for backups:
|
|
Create system user with no password, give it a HOME and a group (or use a backup group)
|
|
Prepend key in .ssh/authorized_keys with
|
|
command="scp -f /path/to/<file|wildcard>",no-agent-forwarding,no-port-forwarding,no-pty,no-X11-forwarding ssh-rsa AAAAB[...]
|
|
Setup rssh
|
|
pacman -S rssh
|
|
# Access bits order: rsync, rdist, cvs, sftp, scp, svnserve
|
|
echo "user=<backup user>:<umask>:000010:" >> /etc/rssh.conf
|
|
sudo chsh -s /usr/bin/rssh <backup user>
|
|
Fix key auth:
|
|
chmod 700 ~/.ssh/
|
|
chmod 600 ~/.ssh/authorized_keys
|
|
Allow connections from behind a NAT:
|
|
from NAT-ed machine:
|
|
ssh -R 2222:localhost:22 <user>@<server>
|
|
from server:
|
|
ssh -p 2222 <user>@127.0.0.1
|
|
|
|
Transfer files without using ssh/scp:
|
|
# Credits: @Chapoline, @britaliope
|
|
Server-side (untars in current directory):
|
|
# directory
|
|
nc -l -p 1234 | openssl enc -aes-256-cbc -d -iter 1000 | tar -xzf -
|
|
# file
|
|
nc -l -p 1234 | openssl enc -aes-256-cbc -d -iter 1000 | gunzip - > <file>
|
|
Client-side:
|
|
# directory
|
|
tar -zc <dir> -c | openssl enc -aes-256-cbc -e -iter 1000 | nc <ip> 1234 -q 1
|
|
# file
|
|
gzip <file> -c | openssl enc -aes-256-cbc -e -iter 1000 | nc <ip> 1234 -q 1
|
|
# Both need the same passphrase in stdin
|
|
|
|
|
|
Run MSVC on linux with Wine:
|
|
As seen on the internet, not tested:
|
|
https://hackernoon.com/a-c-hello-world-and-a-glass-of-wine-oh-my-263434c0b8ad
|
|
Also this docker atrocity:
|
|
https://github.com/mstorsjo/msvc-wine
|
|
/!\ You need to get the original files from a windows machine/VM
|
|
|
|
Simple python HTTP server:
|
|
Supports --help option
|
|
python3:
|
|
python -m http.server [port]
|
|
python2:
|
|
python -m SimpleHTTPServer [port]
|
|
|
|
Elegant deduplication lines in file:
|
|
https://iridakos.com/how-to/2019/05/16/remove-duplicate-lines-preserving-order-linux.html
|
|
awk '!visited[$0]++' your_file > deduplicated_file
|
|
|
|
Run studiotax on wine:
|
|
http://pnijjar.freeshell.org/2018/studiotax/
|
|
WINEARCH=win32
|
|
winetricks settings win7 # Might not be necessary
|
|
winetricks dlls dotnet45 ie6
|
|
winetricks settings win7
|
|
wine ./StudioTax2017Install.exe /extract
|
|
msiexec /i StudioTax.msi
|
|
|
|
Easily switch to russian phonetic keyboard:
|
|
setxkbmap fr,ru -variant ,phonetic -option grp:shift_caps_toggle
|
|
man xkeyboard-config # get list of possible toggles
|
|
|
|
Image/photo sorting with feh:
|
|
feh --action1 'mv -v %F "/path/to/target/"%N' \
|
|
--action[2-9] [...] /dir/to/sort
|
|
|
|
Get original windows key from linux:
|
|
# From: https://twitter.com/BrandonPrry/status/1038269038881898498
|
|
# Not guaranted to work
|
|
sudo cat /sys/firmware/acpi/tables/MSDM | tail -c 32 | xargs -0 echo
|
|
|
|
Wayland install:
|
|
Qt issues:
|
|
sudo pacman -S qt5-wayland
|
|
export QT_QPA_PLATFORM="wayland"
|
|
sudo/root issues with GUI apps:
|
|
# https://bugzilla.redhat.com/show_bug.cgi?id=1274451
|
|
xhost +SI:localuser:root
|
|
sudo <gui>
|
|
xhost -SI:localuser:root # Clean up the security hole
|
|
|
|
MSI ge62 webcam not found:
|
|
Activate using fn+F6
|
|
|
|
Air Canada PNR access:
|
|
https://services.aircanada.com/ServicingPNR/Ancillary/ACO/
|
|
|
|
Grub2 theme customization:
|
|
theme.txt reference:
|
|
http://wiki.rosalab.ru/en/index.php/Grub2_theme_/_reference#Main_file_syntax
|
|
Example theme:
|
|
https://github.com/shvchk/fallout-grub-theme
|
|
|
|
Limit bandwidth, download/upload speed of process:
|
|
Non-forking processes
|
|
netbrake -r <bytes per sec> <program> [args]
|
|
trickle -s -u <kBps> -d <kBps> <program> [args]
|
|
Pacman -> /etc/pacman.conf
|
|
XferCommand = /usr/bin/wget --limit-rate 100K --passive-ftp -c -O %o %u
|
|
|
|
Qutebrowser
|
|
Adblocking (obsolete, now builtin):
|
|
https://gitlab.com/jgkamat/jblock
|
|
Config:
|
|
:set auto-save.session true
|
|
# ...and much much more
|
|
|
|
Alsa set default card
|
|
Get list of cards:
|
|
$ aplay -l
|
|
In ~/.asoundrc:
|
|
pcm.!default {
|
|
type hw
|
|
card <name|id>
|
|
}
|
|
ctl.!default {
|
|
type hw
|
|
card <name|id>
|
|
}
|
|
Testing:
|
|
$ aplay -D default:PCH /usr/share/sounds/alsa/Front_Center.wav
|
|
|
|
mpc/mpc shuffle whole library and save as playlist
|
|
$ mpc crop && mpc listall | mpc add && mpc shuffle && (mpc rm all; mpc save all)
|
|
|
|
GNU miscfiles:
|
|
Dictionary wordlist
|
|
Airport codes
|
|
Chat abbreviations
|
|
Cities/countries list
|
|
Currency ISO code
|
|
list of connective words
|
|
phone country codes
|
|
north america area codes
|
|
C operator associativity
|
|
Imcomplete proper name list
|
|
Unicode characters
|
|
|
|
Dictionary:
|
|
sdcv # CLI stardict tool. Dictionaries not included
|
|
stardict-wornet # English dictionary (AUR)
|
|
miscfiles # GNU miscfiles project include a wordlist file
|
|
grep "word" /usr/share/dict/words
|
|
|
|
Gandi for server setup:
|
|
Dynamic DNS:
|
|
install gandi-automatic-dns (AUR)
|
|
Let's encrypt/letsencrypt:
|
|
install certbot-dns-gandi-git (AUR)
|
|
# Email address is kept private
|
|
|
|
MacOS survival guide (Because the "user friendly" OS has worse affordances than windows):
|
|
Using firefox and other multiplatform apps
|
|
Replace <Ctrl> by <Super> (<Command> in Mac-speak)
|
|
Toggle window fullscreen
|
|
<Super>+<Ctrl>+F
|
|
Restore minimized window
|
|
Hold <Super>
|
|
<Super>+[<Shift>]+Tab
|
|
Hold <Alt> (<Option> in Mac-speak)
|
|
Release <Super>
|
|
Release <Alt>
|
|
Maximizing window WITHOUT fullscreen
|
|
Double click window title bar
|
|
|
|
Mounting .bin/.cue image files:
|
|
$ sudo pacman -S bchunk
|
|
$ bchunk file.bin file.cue output
|
|
$ sudo mount output01.iso /mnt -o loop,ro
|
|
|
|
Manual IMAP connection:
|
|
# https://www.atmail.com/blog/imap-101-manual-imap-sessions/
|
|
# https://stackoverflow.com/questions/14959461/how-to-talk-to-imap-server-in-shell-via-openssl
|
|
# https://gist.github.com/fedir/1d8f8fb8a5f80090705ef7793936216a²
|
|
|
|
$ openssl s_client -connect <imap server>:993 -crlf [-quiet]
|
|
$ openssl s_client -connect <imap server>:143 -crlf -starttls imap [-quiet]
|
|
# IMAP needs an incrementing prefix before each command
|
|
A1 login <login> "<password>"
|
|
# list everything
|
|
A2 list "" "*"
|
|
# list everything under a particular prefix
|
|
A3 list "INBOX" "*"
|
|
# Or:
|
|
# (will print current UIDVALIDITY (useful for fixing mbsync))
|
|
A4 select inbox
|
|
A99 logout
|
|
|
|
gdb tricks:
|
|
Easily print attributes of array elements:
|
|
# https://agateau.com/2008/gdb-trick-the-poor-man-loop
|
|
(gdb) set $pos = 0
|
|
(gdb) print foo[$pos++].attribute
|
|
(gdb) <enter>
|
|
(gdb) <enter>
|
|
...
|
|
Or use a real loop:
|
|
(gdb) set $i = 0
|
|
(gdb) while ($i < <length>)
|
|
> print foo[$i++].attribute
|
|
> end
|
|
|
|
Non-standard zsh cd trick:
|
|
# https://dataswamp.org/~solene/2020-09-04-cd-command.html
|
|
$ pwd
|
|
/tmp/pobj/foobar-1.2.0/work
|
|
$ cd 1.2.0 2.4.0
|
|
/tmp/pobj/foobar-2.4.0/work
|
|
|
|
Check for available package updates with Arch/Artix:
|
|
sudo pacman -S pacman-contrib
|
|
checkupdates
|
|
|
|
Git:
|
|
Git push and pull using different URL/protocols:
|
|
# https://www.scivision.dev/git-pull-https-push-ssh/
|
|
git config url."git@example.org:user/".pushInsteadOf "https://example.org/user/"
|
|
Prevent git from trying to auto-detect user name and email:
|
|
user.useConfigOnly = true
|
|
|
|
Setup a midi synth:
|
|
# http://www.tedfelix.com/linux/linux-midi.html
|
|
Install:
|
|
sudo pacman -S fluidsynth
|
|
sudo pacman -S soundfont-fluid # Sound pack
|
|
#? sudo modprobe snd_virmidi # Create a midi device file /dev/midi2
|
|
Quick n dirty setup:
|
|
fluidsynth -a <alsa|pulseaudio> -m alsa_seq /usr/share/soundfonts/FluidR3_GM.sf2
|
|
Diagnose:
|
|
aconnect -i/-o
|
|
|
|
Consistent desktop theme:
|
|
# just some disorganized notes:
|
|
# install GTK2/3 theme + icons
|
|
# Get canonical theme name from /usr/share/themes folder names
|
|
~/.config/gtk-3.0/settings.ini
|
|
[Settings]
|
|
gtk-icon-theme-name = <Name>
|
|
gtk-theme-name = <Name>
|
|
~/.gtkrc-2.0
|
|
gtk-icon-theme-name = "<Name>"
|
|
gtk-theme-name = "<Name>" ~/.config/Trolltech.conf
|
|
[Qt]
|
|
style=GTK+
|
|
~/.config/dunst/dunstrc
|
|
[global]
|
|
# Depending on the theme, relevant icons might be elsewhere
|
|
icon_path = /usr/share/icons/<theme>/symbolic/status
|
|
sudo pacman -S qt5ct
|
|
trizen -S qt5-styleplugins
|
|
export QT_QPA_PLATFORMTHEME=qt5ct
|
|
|
|
themes:
|
|
Gruvbox-Material-Dark has issues with GIMP and probably caused a few other crashes
|
|
gruvbox-dark-[icons-]gtk doesn't look too bad at first glance (GIMP not broken) (is on AUR)
|
|
|
|
cURL cheatsheet:
|
|
custom user agent:
|
|
curl -A "<user agent>" <URL>
|
|
Show headers:
|
|
Just response headers
|
|
curl -I <URL>
|
|
full verbose dump
|
|
curl -v <URL>
|
|
Follow redirects:
|
|
curl -L <URL>
|
|
Debug HTTP request response times:
|
|
# https://susam.in/maze/timing-with-curl.html
|
|
curl -L -w "time_namelookup: %{time_namelookup}\ntime_connect: %{time_connect}\ntime_appconnect: %{time_appconnect}\ntime_pretransfer: %{time_pretransfer}\ntime_redirect: %{time_redirect}\ntime_starttransfer: %{time_starttransfer}\ntime_total: %{time_total}\n" https://example.com/
|
|
|
|
GPG:
|
|
Renew expired GPG public keys:
|
|
# https://unix.stackexchange.com/a/177310/248368
|
|
gpg --edit-key "<key>"
|
|
> expire
|
|
...
|
|
> key 1
|
|
> expire
|
|
...
|
|
> save
|
|
|
|
Windows use realtime clock as UTC:
|
|
HKEY_LOCAL_MACHINE\SYSTEM\CurrentControlSet\Control\TimeZoneInformation\RealTimeIsUniversal = QWORD 0x01
|
|
|
|
sway / wayland:
|
|
Get current active (first) keyboard layout name:
|
|
# https://queer.hacktivis.me/objects/73823f56-1954-44fe-b046-39e726cca67b
|
|
swaymsg -t get_inputs | jq 'map(select(.type == "keyboard"))[0].xkb_active_layout_name'
|
|
|
|
Bluetooth:
|
|
Get access to deprecated gatttool, hcitool or sdptool:
|
|
trizen -S bluez-utils-compat
|
|
Add `--disable-systemd` to ./configure command on Artix
|
|
Setup new device with bluetoothctl:
|
|
# https://wiki.archlinux.org/title/Bluetooth#Pairing
|
|
bluetoothctl
|
|
[bluetooth]# power on
|
|
[bluetooth]# scan on
|
|
[bluetooth]# pair <MAC>
|
|
Fix `Failed to connect: org.bluez.Error.Failed`:
|
|
# In my case it was apparently pulseaudio's fault oO
|
|
sudo pacman -S pulseaudio-bluetooth
|
|
pactl load-module module-bluetooth-discover
|
|
Send files (WIP, still not working here):
|
|
# https://www.garron.me/en/go2linux/how-transfer-files-bluetooth-linux.html
|
|
# https://wiki.archlinux.org/title/ObexFTP
|
|
OBEX Object Push method:
|
|
trizen -S obexftp
|
|
sdptool search --bdaddr 00:18:31:12:3A:3F OPUSH | grep -i channel
|
|
# `--nopath --noconn --uuid none` result in making an Obex Push request
|
|
obexftp --nopath --noconn --uuid none --bluetooth <MAC> --channel <CHANNEL> --put <FILE>
|
|
OBEX File Transfer method:
|
|
trizen -S obexftp
|
|
sdptool search --bdaddr 00:18:31:12:3A:3F FTP | grep -i channel
|
|
# `--channel` (and so sdptool search) might be superfluous (autodetect?)
|
|
obexftp --bluetooth <MAC> --channel <CHANNEL> --put <FILE>
|
|
Blueman method:
|
|
sudo pacman -S blueman
|
|
blueman-sendto --device=<MAC> <FILE>
|
|
# Also, for the GUI:
|
|
blueman-manager
|
|
ussp-push method:
|
|
trizen -S ussp-push
|
|
ussp-push <MAC> <LOCAL FILE> <REMOTE FILE NAME>
|
|
Receive files:
|
|
# https://gitlab.com/obexpushd/mainline
|
|
# Not even packaged on the AUR for now
|
|
Bluetooth tools recap' (2007):
|
|
# https://hanishkvc.wordpress.com/2007/05/16/short-and-simple-commandline-bluetooth-in-any-new-linux-distros/
|
|
|
|
Extract debian .deb package:
|
|
ar x <package>.deb
|
|
tar xf data.tar.xz
|
|
|
|
Convert docx to text format in CLI:
|
|
# Better fidelity wrt. the document layout
|
|
docx2txt <name>.docx
|
|
# Can output markdown
|
|
pandoc <name>.docx -o <name>.md
|
|
|
|
Flash BIOS using CH341A and SOP8 clip:
|
|
Hardware setup:
|
|
/!\ Don't connect USB before everything else is plugged-in correctly
|
|
/!\ Remove all source of alimentation from the target board (power jack AND battery)
|
|
Connect clip to EEPROM: red wire is pin 1
|
|
Connect clip to CH341A: use the SPI/BIOS side of the programmer
|
|
Reading firmware:
|
|
sudo pacman -S flashrom
|
|
# Flashrom list of supported chips: https://www.flashrom.org/Supported_hardware
|
|
# https://wiki.archlinux.org/title/Flashing_BIOS_from_Linux#Flashrom
|
|
sudo flashrom --programmer ch341a_spi -r backup1.bin
|
|
sudo flashrom --programmer ch341a_spi -r backup2.bin
|
|
# Check we got a correct read
|
|
cmp backup1.bin backup2.bin
|
|
Flashing firmware:
|
|
sudo flashrom --programmer ch341a_spi -w <new_firmware.bin>
|
|
|
|
Fix chromium microphone autogain (qutebrowser):
|
|
# Add this script to greasemonkey:
|
|
# https://github.com/joeywatts/disable-autogain-control-extension/blob/master/disableAutogain.js
|
|
|
|
# https://github.com/qutebrowser/qutebrowser/discussions/6628
|
|
# https://bugs.chromium.org/p/chromium/issues/detail?id=435112
|
|
|
|
Blender:
|
|
Display vertex indices (blender >= 2.8):
|
|
# https://blender.stackexchange.com/a/158495
|
|
# https://devtalk.blender.org/t/how-to-enable-the-vertex-indices-overlay-over-each-vertex/15491/4
|
|
- Edit > Preferences > Interface > Developer Extras (enable)
|
|
- Edit Mode
|
|
- Overlays (dropdown, top-right) > Indices (enable) (under: "Developer")
|
|
|
|
Jupyter:
|
|
Clear notebook of output data for publishing:
|
|
# https://stackoverflow.com/a/47774393/5309963
|
|
# In-place version
|
|
jupyter nbconvert --clear-output --inplace my_notebook.ipynb
|
|
# Or to write to a new file
|
|
jupyter nbconvert --clear-output \
|
|
--to notebook --output=my_notebook_no_out my_notebook.ipynb
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Check SSL/TLS certificate expiration date:
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echo | openssl s_client -servername <name.example.tld> -connect <example.tld>:443 2>/dev/null | openssl x509 -noout -dates
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List files in chronological order with ls:
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# https://shkspr.mobi/blog/2020/12/anatomy-of-an-ls-command/
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ls -trhgGN --color=always | cut -d" " -f3-
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Change default java environment (archlinux):
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# https://wiki.archlinux.org/title/Java#List_compatible_Java_environments_installed
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archlinux-java status
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# Example
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archlinux set java-18-openjdk
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