git reflog --all | grep something git fsck --full --no-reflogs --unreachable --lost-found | grep commit | cut -d\ -f3 | xargs -n 1 git log -n 1 --pretty=oneline > .git/lost-found.txt

git branch --no-merged git branch --merged | egrep -v "(^\*|master|dev)" | xargs git branch -d

vi /path/to/message.sh #!/bin/bash PID=$(pgrep gnome-session) dbus=$(grep -z DBUS_SESSION_BUS_ADDRESS /proc/$PID/environ|cut -d= -f2-) export DBUS_SESSION_BUS_ADDRESS=$dbus notify-send -u critical "$1" crontab: `0 * * * * /path/to/message.sh "my message"`

screen -ls screen -dmS mytabname php artisan dosomething screen -r mytabname detach: ctrl+a , d ls -laR /var/run/screen/

tail /var/log/auth.log find . -type f -newermt 2017-01-01 ! -newermt 2017-01-31 grep -lr --include=*.php "base64_decode" grep -lr --include=*.php "@require"

git config receive.denycurrentbranch ignore vi .git/hooks/post-receive #!/bin/bash cd ../ env -i git reset --hard chmod +x .git/hooks/post-receive git diff --name-status SHA1 SHA2 | cut -f2