205 lines
4.8 KiB
Markdown
205 lines
4.8 KiB
Markdown
# Commands
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## Normalize audio
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```bash
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ffmpeg-normalize *.<format> -v -pr -c:a <audio codec> -ext <extension>
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```
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Examples:
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```bash
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ffmpeg-normalize *.flac -v -pr -c:a flac -ext flac
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ffmpeg-normalize *.m4a -v -pr -c:a libopus -ext opus
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ffmpeg-normalize *.opus -v -pr -c:a libopus -ext opus
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```
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## ffmpeg extract images from video
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```bash
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ffmpeg -i "file.mpg" -r 4/1 xyz%03d.png
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```
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## copy lightdm configured themes
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```bash
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sudo cp -r /var/lib/lightdm/.local/share/webkitgtk/localstorage/ ~/ && sudo chmod -Rv 777 ~/localstorage/
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```
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## Single 4KiB random write process
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```bash
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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
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```
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## 16 parallel 64KiB random write processes
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```bash
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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
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```
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## Single 1MiB random write process (16gb file)
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```bash
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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
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```
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## Single 1MiB random write process (32gb file, 5 min)
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```bash
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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
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```
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## Single 1MiB random write process (64gb file, 10 min)
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```bash
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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
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```
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## smartctl test
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```bash
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sudo smartctl -t <short|long> <disk>
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```
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## smartctl status
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```bash
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sudo smartctl -a <disk>
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```
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## fake identity
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```bash
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rig
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```
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## Mangohud
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In Steam: ``` mangohud %command% MANGOHUD_OUTPUT /home/marc/Dokumente/log ```
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Lutris: command prefix: ``` mangohud, Environment Variables: MANGOHUD_OUTPUT | /home/marc/Dokumente/log ```
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## lm_sensors realtime display
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```bash
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watch sensors
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```
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## analyze startup time
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```bash
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systemd-analyze plot > detail[X].svg
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systemd-analyze blame > detail[X].txt
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```
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## add kernel patch
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```bash
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patch -Np1 -i *file*
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```
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## create mkinitcpio
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```bash
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sudo mkinitcpio -g /boot/initramfs-[kernel].img -k [kernel from /usr/lib/modules]
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```
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## depmod
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```bash
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depmod -a
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```
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## pacman remove old packages
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```bash
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pacman -Sc
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```
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## Video as background
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```bash
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xwinwrap -g 1920x1080 -ov -- mpv -wid WID --loop --no-audio --keepaspect=no --no-osc <file>
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```
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### testing
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```bash
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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
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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
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```
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## generate keys per computer, only once!
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```bash
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ssh-keygen
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```
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## allow access through ssh key
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```bash
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ssh-copy-id -i <file location> <user>@<ip/domain>
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ssh-copy-id -i ~/.ssh/id_rsa.pub <user>@<ip/domain>
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```
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## Ventoy
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### install
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```bash
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sudo bash Ventoy2Disk.sh -i -g /dev/XXX
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```
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### update
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```bash
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sudo bash Ventoy2Disk.sh -u /dev/XXX
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```
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## PATH Variables
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```
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/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
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```
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## export path Variables
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```bash
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export PATH="$PATH":<path>
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```
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## Dots per inch
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```bash
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xdpyinfo | grep -B 2 resolution
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```
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## Bash ffmpeg batch convert
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```bash
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bash <pathto>/lower-vol.sh <input ext> <output ext> <input directory> <output directory> <other options>
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```
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```bash
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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"
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```
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## Downgrade package
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```bash
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downgrade <packagename>
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```
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## Typometer
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First, extract the .zip file and then the .jar file.
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Enter the newly created folder and open a terminal at that location. (Should be `<download location>/typometer-x.x.x`)
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Enter the following line in the terminal:
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```bash
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java com.pavelfatin.typometer.Application
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```
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*Important: Use BASH instead of FISH, as the colors in FISH confuse the program.*
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## List number of items in directory
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```bash
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ls -1 | wc -l
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```
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## List size of directory
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```bash
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du -sh
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```
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## List usage of all partitions
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```bash
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df -h
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```
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## tmpmail
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Look at temporary mail
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```bash
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tmpmail
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```
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Generate new temporary mail
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```bash
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tmpmail -g
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```
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## waifu2x
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```bash
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waifu2x-ncnn-vulkan -i (input directory) -o (output directory)
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```
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## pacnew files
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Regularly run this command to resolve pacnew files
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```bash
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sudo pacdiff
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```
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