configs/arch-config/Dokumente/Commands.md

Commands

Normalize audio

ffmpeg-normalize *.<format> -v -pr -c:a <audio codec> -ext <extension>

Examples:

ffmpeg-normalize *.flac -v -pr -c:a flac -ext flac
ffmpeg-normalize *.m4a -v -pr -c:a libopus -ext opus
ffmpeg-normalize *.opus -v -pr -c:a libopus -ext opus

ffmpeg extract cover image form audio file

ffmpeg -i "file.flac" "cover.jpg"

ffmpeg extract images from video

ffmpeg -i "file.mpg" -r 4/1 xyz%03d.png

copy lightdm configured themes

sudo cp -r /var/lib/lightdm/.local/share/webkitgtk/localstorage/ ~/ && sudo chmod -Rv 777 ~/localstorage/

Single 4KiB random write process

fio --output=fio-4K-randw.txt --name=random-write --ioengine=posixaio --rw=randwrite --bs=4k --size=4g --numjobs=1 --iodepth=1 --runtime=120 --time_based --end_fsync=1

16 parallel 64KiB random write processes

fio --output=fio-64K-randw-x16.txt --name=random-write --ioengine=posixaio --rw=randwrite --bs=64k --size=256m --numjobs=16 --iodepth=16 --runtime=120 --time_based --end_fsync=1

Single 1MiB random write process (16gb file)

fio --output=fio-1M-randw.txt --name=random-write --ioengine=posixaio --rw=randwrite --bs=1m --size=16g --numjobs=1 --iodepth=1 --runtime=120 --time_based --end_fsync=1

Single 1MiB random write process (32gb file, 5 min)

fio --output=fio-1M-randw-32gb.txt --name=random-write --ioengine=posixaio --rw=randwrite --bs=1m --size=32g --numjobs=1 --iodepth=1 --runtime=300 --time_based --end_fsync=1

Single 1MiB random write process (64gb file, 10 min)

fio --output=fio-1M-randw-64gb.txt --name=random-write --ioengine=posixaio --rw=randwrite --bs=1m --size=64g --numjobs=1 --iodepth=1 --runtime=600 --time_based --end_fsync=1

smartctl test

sudo smartctl -t <short|long> <disk>

smartctl status

sudo smartctl -a <disk>

fake identity

rig

Mangohud

In Steam: mangohud %command% MANGOHUD_OUTPUT /home/marc/Dokumente/log Lutris: command prefix: mangohud, Environment Variables: MANGOHUD_OUTPUT | /home/marc/Dokumente/log

lm_sensors realtime display

watch sensors

analyze startup time

systemd-analyze plot > detail[X].svg
systemd-analyze blame > detail[X].txt

add kernel patch

patch -Np1 -i *file*

create mkinitcpio

sudo mkinitcpio -g /boot/initramfs-[kernel].img -k [kernel from /usr/lib/modules]

depmod

depmod -a

pacman remove old packages

pacman -Sc

Video as background

xwinwrap -g 1920x1080 -ov -- mpv -wid WID --loop --no-audio --keepaspect=no --no-osc <file>

testing

xwinwrap -g 1920x1080 -ov -- mpv -wid WID --loop --no-audio --keepaspect=no --no-osc --vo=gpu /home/marc/Bilder/Backgrounds/Animated\ Backgrounds/Dune/Dune.mp4
xwinwrap -g 1920x1080 -ov -- mpv -wid WID --loop --no-audio --keepaspect=no --no-osc --vo=vaapi /home/marc/Bilder/Backgrounds/Animated\ Backgrounds/Dune/Dune.mp4

generate keys per computer, only once!

ssh-keygen

allow access through ssh key

ssh-copy-id -i <file location> <user>@<ip/domain>
ssh-copy-id -i ~/.ssh/id_rsa.pub <user>@<ip/domain>

Ventoy

install

sudo bash Ventoy2Disk.sh -i -g /dev/XXX

update

sudo bash Ventoy2Disk.sh -u /dev/XXX

PATH Variables

/home/marc/.local/bin:/home/marc/.bin:/usr/local/bin:/usr/bin:/bin:/usr/local/sbin:/var/lib/flatpak/exports/bin:/usr/lib/jvm/default/bin:/usr/bin/site_perl:/usr/bin/vendor_perl:/usr/bin/core_perl

export path Variables

export PATH="$PATH":<path>

Dots per inch

xdpyinfo | grep -B 2 resolution

Bash ffmpeg batch convert

bash <pathto>/lower-vol.sh <input ext> <output ext> <input directory> <output directory> <other options>

bash "/home/marc/GitProjects/ffmpeg-lower-vol/lower-vol.sh" flac flac "/home/marc/Downloads/newmusik/" "/home/marc/Downloads/newmusik/converted" "-filter:a volume=0.25"

Downgrade package

downgrade <packagename>

Typometer

First, extract the .zip file and then the .jar file.
Enter the newly created folder and open a terminal at that location. (Should be <download location>/typometer-x.x.x)
Enter the following line in the terminal:

java com.pavelfatin.typometer.Application

Important: Use BASH instead of FISH, as the colors in FISH confuse the program.

List number of items in directory

ls -1 | wc -l

List size of directory

du -sh

List usage of all partitions

df -h

tmpmail

Look at temporary mail

tmpmail

Generate new temporary mail

tmpmail -g

waifu2x

waifu2x-ncnn-vulkan -i (input directory) -o (output directory)

pacnew files

Regularly run this command to resolve pacnew files

sudo pacdiff

IO Utilisation

iostat -dx /dev/sdX

copy/create/move multiple files

mkdir -p test/test{1,2,3}

cp source/{file1,file2}.txt destination

Force usage of AUR

paru -S -a (package)

Pulseaudio list sinks and list supported specs for sink

pactl list sinks | grep -Ei 'name:|sysfs.path'

grep -P 'rates|bits' /proc/asound/card(num)/codec\#0

GPG

Symetric file encryption and decryption

gpg -c (file)

gpg (file).gpg