#Normalize audio
ffmpeg-normalize *.<format> -v -pr -c:a <audio codec> -ext <extension>
Examples:
#ffmpeg-normalize *.opus -v -pr -c:a libvorbis -ext  ogg
ffmpeg-normalize *.flac -v -pr -c:a flac -ext flac
#ffmpeg-normalize *.ogg -v -pr -ext wav
ffmpeg-normalize *.m4a -v -pr -c:a libopus -ext opus
ffmpeg-normalize *.opus -v -pr -c:a libopus -ext opus

#extract images from video
ffmpeg -i "file.mpg" -r 1/1 xyz%03d.png

#found in .bashrc
yta-best="youtube-dl --extract-audio --audio-format best "

#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
mangohud MANGOHUD_OUTPUT /home/marc/Dokumente/log

#OBS videocamera
sudo modprobe v4l2loopback

#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 -c /etc/mkinitcpio.conf -g initramfs-*kernel*.img

#network traffic
nload