howto/how_to
2020-11-11 04:00:49 +01:00

968 lines
34 KiB
Text
Raw Blame History

This file contains ambiguous Unicode characters

This file contains Unicode characters that might be confused with other characters. If you think that this is intentional, you can safely ignore this warning. Use the Escape button to reveal them.

Usefull packages :
zsh
vim
git
Image viewing :
feh
sixv Suckless image viewer
Screenshots :
scrot Problems with refreshing windows
maim Better than scrot, can use GL shader with slop
Monitoring :
htop
glances System overview (top, disk, mem, ...)
ncdu Disk usage
Terminal :
kitty GPU accelerated term, nicely configurable
st Simple Terminal, very light
fbterm Framebuffer terminal, doesn't need X, unmaintained
Desktop environment :
dwm Dynamic Window Manager
dmenu
sway
Office :
sent Simple slides tool
Misc :
eg Examples of common tools usage (think find or tar)
Obscure/Useful vim plugins:
better-indent-support-for-php-with-html
jedi-vim
Pretty log pager:
lnav
Backlight management:
light # http://haikarainen.github.io/light/
System setup:
display/drivers:
xorg-server
xorg-xinit
xorg-xev
xf86-video-{intel,amdgpu,etc...}
xf86-input-libinput
mesa
lib32-mesa
xinput
light # backlight control
mesa-demos
desktop;
dwm
dmenu
dunst
libnotify
sound:
pulseaudio
pavucontrol
alsa-utils{,-runit}
tools:
kitty
zsh
git
vim
xsel
xclip
htop
ncdu
usbutils # contains lsusb
arch:
trizen
highlight
multimedia:
imagemagick
feh
mpv
mpd
ffmpeg
youtube-dl
qrencode
maim
gimp
security
keepassxc
connectivity:
wpa_supplicant
networkmanager{,-runit}
qutebrowser # With jblock
openssh{,-runit]
liferea
bluez{,-runit}
fonts:
ttf-Hack
mail:
neomutt
fdm
isync
msmtp
notmuch
misc:
miscfiles
keyboard :
console:
/etc/vconsole.conf
X11 systemd:
sudo localectl set-x11-keymap fr
Nice environment :
cd ~
git clone http://gitlab.rezometz.org/lhark/rc.git
[git -C rc checkout v2]
rc/install.sh
chsh -s </bin/zsh|/usr/bin/fish>
pacman :
-Syu Upgrade system
-S <> Install software
-Ss <> Search repositories
-Sc Clean packages cache
-Rns <> Remove program, its unused dependencies, and config files
-Qi <> Package information
-Fo <file> Which package the file belongs to
Recover installed packages from /var/log/pacman.log
(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
ABS : (Arch Build System)
pacman -S abs
mkdir ~/abs
cp -r /var/abs/<whatev> ~/abs
xorg :
install :
xorg-server
xorg-xinit
lspci | grep -e VGA -e 3D
xorg-xf86-<constructor>
config :
cp /etc/X11/xinit/xinitrc ~
delete xterm crap
echo "exec dwm" >> ~/xinitrc
echo '[[ -z $DISPLAY && $XDG_VTNR -eq 1 ]] && exec startx' >> ~/.zprofile
dwm :
with ABS
community/dwm
config :
~/abs/dwm/config.h
fix azerty bindings :
XK_0 -> XK_agrave
XK_1 -> XK_ampersand
XK_2 -> XK_eacute
XK_3 -> XK_quotedbl
XK_4 -> XK_apostrophe
XK_5 -> XK_parenleft
XK_6 -> XK_minus
XK_7 -> XK_egrave
XK_8 -> XK_underscore
XK_9 -> XK_ccedilla
easy recompile :
alias redwm='cd ~/abs/dwm; updpkgsums; makepkg -fi --noconfirm; killall dwm'
synaptics :
cp /usr/share/X11/xorg.conf.d/50-synaptics.conf /etc/X11
usefull options :
Option "TapButton1" "1"
Option "TapButton2" "2"
Option "TapButton3" "3"
Option "AccelFactor" "0.0"
Option "MaxSpeed" "1.0"
Option "MinSpeed" "1.0"
Mouse/Touchpad acceleration disable:
Set MaxSpeed=MinSpeed
For testing:
synclient MaxSpeed=<speed> MinSpeed=<speed>
For persistence, add to the right section in /etc/X11/xorg.conf.d/XX-synaptics.conf:
Option "MaxSpeed" "1.2"
Option "MinSpeed" "1.2"
st :
with ABS (arch)
https://wiki.archlinux.org/index.php/Patching_in_ABS
http://st.suckless.org/patches/solarized
http://dwm.suckless.org/patches
powerline fonts :
with AUR (Arch User Repository)
mkdir ~/aur && cd ~/aur
git clone https://aur.archlinux.org/powerline-fonts-git.git
cd powerline-fonts-git && makepkg -sri
vim ~/abs/st/config.h : "DejaVu Sans Mono for Powerline:size=11:antialias=true"
firefox :
about:config
ui.key.menuAccessKeyFocuses -> false # disable Alt shenanigans
browser.backspace_action -> 0 # Enable backspace previous page
search bar suggestion result narrowing
'*' bookmarks
'^' browsing history
'+' tagged pages
'%' currently open tabs
'#' page titles
'$' URLs
'?' suggestions
MTP :
with AUR :
trizen -S simple-mtpfs
usage :
simple-mtpfs --list-devices
simple-mtpfs ~/mnt (mount)
simple-mtpfs --device <id> ~/mnt
fusermount -u ~/mnt (umount)
PDF :
AUR -> pdftk :
Merge pdf :
pdftk input1.pdf input2.pdf input3.pdf cat output output.pdf
Extract pages :
pdftk input.pdf cat <range> output out.pdf
# range can be <start>-<end>, more info at pdftk --help
Uncompress pdf file content :
pdftk input.pdf output output.pdf uncompress
Add images and other files in a single pdf:
convert [jpg|png|txt|pdf|...] output.pdf
# Might need to tweak /etc/ImageMagick-7/policy.xml
# https://stackoverflow.com/questions/52998331/imagemagick-security-policy-pdf-blocking-conversion
Fill form & annotate:
For well formatted interactive forms:
evince
For Adobe type forms (AcroForm / XFA):
pdfjs # (supports forms since 2.6.347 / firefox 81)
For non-interactive PDF:
xournal
libreoffice Draw
inkscape
Fill dynamic XFA forms on linux:
Run Acrobat Reader DC 2019 on wine:
https://linuxconfig.org/how-to-install-latest-adobe-acrobat-reader-dc-on-ubuntu-18-04-bionic-beaver-linux-with-wine
https://www.quora.com/How-do-I-install-Adobe-Reader-on-Ubuntu-using-the-Wine-software
ftp://ftp.adobe.com/pub/adobe/reader/win/AcrobatDC/
WINEARCH=win32
WINEPREFIX=~/.wine-32
winetricks mspatcha
winetricks riched20
winetricks allfonts # Maybe not ?
trizen -S ttf-windows # Indispensable, without it no text in UI
# maybe? winetricks atmlib wsh57
winetricks settings win7
wget ftp://ftp.adobe.com/pub/adobe/reader/win/AcrobatDC/1901220034/AcroRdrDC1901220034_en_US.exe # Replace by latest version
wine ./AcroRdrDC1901220034_en_US.exe
wine ~/.wine-32/drive_c/Program\ Files/Adobe/Acrobat\ Reader\ DC/Reader/AcroRd32.exe
Select "Always open with Protected Mode Disabled"
Don't forget to kill the wineserver, adobe leaves a lot of garbage running:
wineserver --kill
Master PDF Editor (free version):
https://code-industry.net/free-pdf-editor/
trizen -S masterpdfeditor
D-Bus :
To reload service files /usr/share/dbus-1/services/
sudo systemctl reload dbus
Notifications :
grep -l 'org.freedesktop.Notifications' /usr/share/dbus-1/services/*
change "Exec=<your notif daemon>"
ACPI GTX960M bug:
https://bugzilla.kernel.org/show_bug.cgi?id=156341
https://github.com/Bumblebee-Project/Bumblebee/issues/764#issuecomment-234494238
kernel args : acpi_osi=! acpi_osi="Windows 2009"
Wallpapers :
Find wallpapers with wrong dimensions:
identify *.{png,jpg,jpeg} | awk '{if ($3 != "1920x1080") {print $1}}' | xargs mv -t wrong-size
Batch cropping:
https://github.com/pknowles/cropall
./cropall.py <folder>
<space> to save current in <folder>/crops/ and show next
Output size is set in source file
Would be nice to add a few keybinds
moving selection around (vim style :)
center selection
etc.
Drag & drop files:
dragon : https://github.com/mwh/dragon
Fix hardware clock (with chrony / NTC):
sudo chronyc
makestep
trimrtc
quit
Alternative to trimrtc:
sudo hwclock --systohc
513 RTC driver not running:
In /etc/chrony.conf
comment all `rtcsync`
uncomment `rtcfile ...`
Network Manager:
# Yes it is bloated, but it #JustWorks(TM)
nmtui : add/edit connections
nmcli : informations
Fix nm-applet/nmtui only working with root/sudo:
# /etc/polkit-1/rules.d/50-org.freedesktop.NetworkManager.rules
polkit.addRule(function(action, subject) {
if (action.id.indexOf("org.freedesktop.NetworkManager.") == 0 && subject.isInGroup("network")) {
return polkit.Result.YES;
}
});
sudo usermod -aG network <user>
Ethernet sharing:
install dnsmasq
Add new ethernet connection
Under IPv4:
select Shared
Power saving :
echo "vm.dirty_writeback_centisecs = 6000" >> /etc/sysctl.d/dirty.conf
echo "vm.laptop_mode = 5" >> /etc/sysctl.d/laptop.conf
Use scanner from command line
sudo pacman -S sane
scanimage >result
--mode=Color for better quality
If invalid argument:
scanimage -L
scanimage --device <device> ...
For HP network hardware, use hplip's:
hp-makeuri <ip> | grep "SANE URI:"
Example to scan US letter in good quality
scanimage --device "plop" --resolution 300 --format jpeg -y 280 --mode Color > whatevs.jpg
Remote presentation tool:
ssh <slides-machine>
while read -r; do DISPLAY=:0 xdotool getactivewindow key space; done
# Just press enter to get the next slide
# Perfect with an android phone
Suckless sent:
color scheme:
fg = #80b31a
bg = #082a3a
Font:
Hack
Video and audio editing:
Cut video/audio:
ffmpeg -ss "start" [-t "duration"|-to "end"] -i input.mp3 -acodec copy output.mp3
Remove audio from video file
ffmpeg -i in.mp4 -an out.mp4
Nvidia hardware encoding
optirun ffmpeg -i in.mp4 -c:v h264_nvenc -crf 23 out.mp4
Gif to mp4 for browsers/the web:
# https://unix.stackexchange.com/a/294892
ffmpeg -i in.gif -movflags faststart -pix_fmt yuv420p -vf "scale=trunc(iw/2)*2:trunc(ih/2)*2" out.mp4
mp4 to gif:
# https://superuser.com/questions/556029/how-do-i-convert-a-video-to-gif-using-ffmpeg-with-reasonable-quality
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
Convert video to YUV420 for the Web:
# https://stackoverflow.com/a/37969294
ffmpeg -i 1/25359.mp4 -vf "scale=2*trunc(iw/2):-2,setsar=1" -profile:v main -pix_fmt yuv420p out.mp4
Record screen:
# 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
# With some sound capture
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
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
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 $i.png ; done ) every7th-frame.jpg
# Using frames 34 through 99 from a video, take every 7th frame and overlay it into a composite image.
# https://mastodon.social/@climagic/103166291952077813
Decode webp:
# from google's libwebp
# jpeg isn't supported, use convert after that
dwebp in.webp -o out.png
RE .net apps:
ilspymono <list-of-deps.txt>(can be empty) <exe or dll to disassemble> <output dir>
Wireshark properly:
sudo gpasswd -a <user> wireshark
sudo setcap 'CAP_NET_RAW+eip CAP_NET_ADMIN+eip CAP_DAC_OVERRIDE+eip' /usr/bin/dumpcap
MAC spoofing:
sudo ip link set dev <IF> down
sudo ip link set dev <IF> address <MAC>
sudo ip link set dev <IF> up
Mount as user:
/!\ on filesystems with permissions, it is permanent
sudo mount /dev/sd[a-z][0-9] /mnt
sudo chown <user> /mnt
Borg backup:
# Example repo: /mnt/<machine>/home
# Dry run: -n
# Avoid mixing users in single repo (don't create archives from different users in a single repo)
[sudo] borg init --encryption=repokey-blake2 </repo>
borg create -v --stats --progress --compression zlib --exclude ~/.local/share/Steam "</repo>::{now}" /home/<user>
sudo borg create -v --stats --progress --compression zlib "</repo>::etc-{now}" /etc
sudo borg create -v --stats --progress --compression zlib --exclude /var/cache --exclude /var/tmp "</repo>::var-{now}" /var
borg list </repo>
borg check --verify-data --progress </repo>
borg mount </repo> </mount>
borg prune -v --list --keep-daily=7 --keep-weekly=4 --keep-monthly=6 </repo>
# Restoring
borg list </repo>
borg mount </repo>::"<name>" /mnt/borg
borg umount /mnt/borg
Serial terminal
st -l /dev/ttyUSB0 <baud>
Wifi AP:
https://wiki.archlinux.org/index.php/Software_access_point
sudo pacman -S create_ap
https://github.com/oblique/create_ap/issues/107
sed -i '/CHANNEL=$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>
Sync from phone:
adb-sync -R /sdcard/<folder>/ <dest>
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>
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
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
Easy LaTeX compilation:
$ trizen -S tectonic
$ tectonic <file>.tex
Should automatically resolve all dependencies
Also takes care of biblatex
Uses Xetex to compile
Rename files from date of creation:
for f in *;do
mv "$f" "$(date "+IMG_%Y%m%d_%H%M%S.${f##*.}" -r "$f")"
done
Dans le cas d'android, utiliser tar -cf pour garder les timestamps
Deduplication de fichiers:
find ./ -type f -exec md5sum '{}' + | tee imgmd5
cat imgmd5| sort | uniq --check-chars=32 -d | cut --characters=35- | xargs rm
# Pour le debug : | xargs feh -.
# Voir aussi la commande cmp, plus efficace qu'un calcul de hash dans certains cas
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 usermod -aG dialout <user> # Or /dev/ttyACM0 group
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
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 -
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
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
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
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
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 vendor id>",SYMLINK+="android_adb"
SUBSYSTEM=="usb",ATTR{idVendor}=="<your vendor id>",ATTR{idProduct}=="<your vendor id>",SYMLINK+="android_fastboot"
$ sudo udevadm control --reload-rules
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/
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/
*#06# IMEI number
*#0*# Enter the service menu on newer phones like Galaxy S III
*#*#4636#*#* Phone information, usage statistics and battery
*#*#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 devices touch-screen version
*#*#0588#*#* Perform a proximity sensor test
*#*#3264#*#* Show RAM version
*#*#232331#*#* Run Bluetooth test
*#*#232337#*# Show devices 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
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:
https://gitlab.com/jgkamat/jblock
Config:
:set auto-save.session true
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
$ 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" "*"
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 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/"