command_palette

curl download

• curl -o <NAME> -C - -L --compressed --limit-rate 1M <URL>

remove all metadata of supported files ¹

• exiftool -all:all= -r -overwrite_original <DIR|FILE>

ffmpeg concat ²

• ffmpeg -f concat -safe 0 -i <LIST> -sn -dn -c:v copy -c:a copy <OUT>

remove mkv metadata ^{3 1}

• mkvpropedit --tags all:"" --delete title --edit track:<N> --delete name <FILE>

mkv remux ⁴

• mkvmerge -o <OUT> -d "0" -a "1" -S -B -M -T --no-global-tags --no-chapters <IN>

grub install and upgrade

1. mount /dev/sda1 /boot/efi/
2. grub-install --target=x86_64-efi --bootloader-id=arch --recheck
3. nano /etc/default/grub
4. grub-mkconfig -o /boot/grub/grub.cfg

extend key expire dates

1. gpg --list-secret-keys
2. gpg --edit-key ID

system maintenance

• monthly

  1. reflector --verbose --connection-timeout 60 --download-timeout 60 --cache-timeout 30 --protocol https --latest 10 --fastest 5 --save /etc/pacman.d/mirrorlist
  2. pacman -Scc
  3. pacman -Syu
  4. pacman -Rns $(pacman -Qtdq)
  5. update /etc/systemd/resolved.conf

• weekly

  1. pacman -Syu
  2. pacman -Rns $(pacman -Qtdq)
  3. update /etc/systemd/resolved.conf