binary
find binary location
which okular
files
diff
diff -qr dir1/ dir2/ git diff --no-index dir1/ dir2/
find large folders
du -h -d1 . | grep '[0-9\,]\+G'
ls -l --block-size=M
find and remove
find ./*/builds/*/results -type f -name '*' -exec rm {} +
find ./*/builds -type d -name '*' -exec rm -rf {} +
find . -type d -name builds -exec rm -rf {} +
find date of most recent file in folder
find /path -printf '%T+ %p\n' | sort -r | head
Processes
ps aux
a
– show processes for all users
u
– display the process's user/owner
x
– also show processes not attached to a terminal
kill <pid> -s <signal>
Send signal to a process.
Why? ⟶ github.com/heroku/issues/817.
devices
safely remove drives
udisksctl unmount -b /dev/sdd2 udisksctl power-off -b /dev/sdd
suspend on timer
sleep 20m && systemctl suspend -i