Maintenance

Arch maintenance with yay

Requirements Arch Maintenance Package Cache Just like pacman with a couple of extras. 1ls ~/.cache/yay/ | wc -l 2yay -Sc Use -Yc to remove old dependencies: 1yay -Yc 2ls ~/.cache/yay/ | wc -l

deduplicate

1 min read · system deduplicate maintenance storage

rdfind: find duplicate files, then delete them, or turn them into links. Ask if a directory has duplicates (rdfind will not delete anything): 1rdfind $dir 2$EDITOR results.txt Replace the duplicated files with hard links. 1rdfind -makehardlinks true $dir

Rundown: git

1 min read · size git email pr comfy maintenance data git

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 …

Rundown: iftop

1 min read · maintenance network iftop

Find out what's using the bandwidth 1sudo iftop Press h to see the options.

Rundown: sed

1 min read · csv substitute replace tip shell maintenance recfiles database text sed

Change a CSV header from=number to=quantity sed -i "1 s///" "".csv Remove crap from bash history 1sed -i -r '/([^ ]{100,})\s?$/d' $HISTFILE Combine many recfiles of different types into one 1sed '1i\ ' *.rec > all.rec Combine many recfiles of the same type into one 1recinf -d -t ${type} ${one}.rec > ${all}.rec 2sed …

Soft Serve Maintenance

1 min read · data git server maintenance

Requirements Setup git nginx Over time git repositories become bloated with old data, but never get cleaned. I can't find an official way to clean up the crud, so I did this: 1usermod -aG soft-serve $USER 2# Log out and back in for this to take effect. 3 4cd /var/lib/soft-serve/data/repos 5sudo chmod -R g+w * 6git …