meta - cheatsheet

ffmpeg

anonymous@undisclosed.example.com (Anonymous) — Thu, 11 Sep 2025 04:44:25 +0000

ffmpeg cheatsheet not linking that man page good lord ffmpeg TLDR, ffmpeg cheat.sh audio FLAC to MP3 one-off: ffmpeg -i "$FILE.flac" -ab 320k -map_metadata 0 -id3v2_version 3 "$FILE.mp3" bash loop: for f in *.flac; do ffmpeg -i "$f" -ab 320k -map_metadata 0 -id3v2_version 3 "${f%.*}.mp3"; done

gallery-dl

anonymous@undisclosed.example.com (Anonymous) — Sun, 17 Aug 2025 12:51:26 +0000

gallery-dl mangadex chapter extract gallery-dl -c /home/kat/gallery-dl.conf -o "lang=en" --chapter-range '141-151' https://mangadex.org instagram rip gallery-dl -c /home/kat/gallery-dl.conf https://instagram.com/p/ photobucket embed rip gallery-dl -g "r:https://x.livejournal.com/x.html" > i.txt # (strip all text but LJ links) gallery-dl -i i.txt

git

anonymous@undisclosed.example.com (Anonymous) — Sat, 13 Sep 2025 19:34:35 +0000

git cheatsheet git docs soft serve git remote setup soft serve example based on LAN ssh_config: mterm cd /path/to/example git remote add soft ssh://soft:23231/example tangled moirai (self-hosted knot) remote setup REPO_NAME=blah # tailscale only; # use fates.gotm instead of moirai.gotm git remote add tngl ssh://fates.girlonthemoon.xyz:2224/katproto.girlonthemoon.xyz/$REPO_NAME

jsts

anonymous@undisclosed.example.com (Anonymous) — Fri, 19 Sep 2025 01:24:00 +0000

javascript/typescript katproto get users TS to JS cd /var/www/stash/katproto_demo # from katmac3 npx tsc requires tsconfig.json file in same directory with these contents: { "compilerOptions": { "target": "es2022", "module": "es2022", "esModuleInterop": true, "lib": ["ES2017", "DOM", "ES2021.String", "es2020"], "preserveConstEnums": true, "moduleResolution": "node", "strict": true, "inlineSourceMap": true, }, }

scp

anonymous@undisclosed.example.com (Anonymous) — Sat, 16 Aug 2025 01:32:31 +0000

SCP cheatsheet man page send file to server (replace kat & 780 with user & server names corresponding to ssh_config send a friend's site button to eunoia friend buttons folder on 780: scp /home/kat/sitebutton.png kat@780:/var/www/eunoia/buttons/friends

sql

anonymous@undisclosed.example.com (Anonymous) — Sat, 16 Aug 2025 01:32:31 +0000

SQL cheatsheet mySQL manual SQL query list view add \G to end of query, like this: select * from user\G;

wget

anonymous@undisclosed.example.com (Anonymous) — Sat, 16 Aug 2025 02:05:20 +0000

wget cheatsheet wget man page (or more sensibly, the cheat.sh page for wget) get all files of a certain type change .mp3 to whatever extension you want wget -r -l1 -H -t1 -nd -N -np -A.mp3 -erobots=off $URL

yt-dlp

anonymous@undisclosed.example.com (Anonymous) — Sat, 16 Aug 2025 02:04:45 +0000

yt-dlp best video, best audio, MKV remux: yt-dlp -f ba+bv --merge-output-format mkv $URL best video UNDER 1080p, best audio, MKV remux: yt-dlp -f "ba+bv*[height<=1080p]" --merge-output-format mkv $URL change output name from default: yt-dlp -o custom-name.mp4 $URL