Quickly find and open run-command files 1alias rrc='$PAGER "$(find . -maxdepth 2 -name "*rc" | fzf)"' Quickly hunt and kill processes 1kill $(pgrep less | fzf -m --preview='ps {}') Select many with shift/tab.

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Read the minimal size of a git repo 1git count-objects -vH | grep -Po 'size-pack: \K.*' Git repositories are never at their minimal size. Email a pull request which points to your git server 1repo=ssh://soft.dmz.rs:2222/mkdots/ 2theirHead='HEAD^^^^' 3head=master 4git request-pull "${theirHead}" "${repo}" "${head}" You …

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Search for a short word 1grep "\b${word}\b" ${file} Extract words in quotes 1grep -o "\b${word}\b" ${file}

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Turn markdown into a man page 1man <(lowdown -stman ${file}.md)

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Convert a web page to markdown 1curl -sL "${url}" | html2markdown > "${file}}".md The html2markdown and html2md programs works better than any other.

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Run commands in background 1ls -Rilt ~ & 2jobs 3find ~/.cache/ -type d -exec du '{}' -h ';' | sort -h & 4jobs Stop background command having output 1disown The command will continue as it was. You can see it with top.

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See what the computer is doing 1journalctl -f Check your own user services: 1journalctl -f Follow the ssh daemon service 1journalctl -f -u sshd Find service errors in systemd since a date 1date=2027-01-01 2journalctl --since=${date} --grep="EXT4-fs error" Limit the systemd's journal size to 2 gigabytes 1journalctl …

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Turn markdown into a man page 1man <(lowdown -stman ${file}.md)

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Convert jpg to png 1magick ${input}.jpg ${output}.png Reduce jpg size by reducing quality 1quality=70 2magick ${input}.jpg -quality ${quality} ${output}.jpg Reduce png size 1magick ${input}.png png8:${output}.png Invert jpg colours 1magick ${input}.jpg ${output}.jpg -negate Make jpg smaller 1magick ${input}.jpg -resize …

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Turn markdown into a man page 1man <(lowdown -stman ${file}.md)

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