zip -r zipfile.zip directoryToZip -x directoryToZip /subdirectoryToExclude/* directoryToZip/SecondSubdirectoryToExclude /*
Show me directories with the largest disc usage.
du -a ./ | sort -n -r | head -n 20
Its always searching for the directories with the most diskusage from the actual directory, sorted by usage. It shows the first 20 Lines
Check If Service Is Running
Simple bash snippet to check if a service is running, if not -> send a mail to root. In this snippet
#!/bin/sh SERVICE=apache2; if ps ax | grep -v grep | grep $SERVICE > /dev/null then echo "$SERVICE service running, everything is fine" else echo "$SERVICE is not running, try to start it." sudo service $SERVICE start echo "$SERVICE is not running!" | mail -s "$SERVICE down" root fi