Cheat Sheet für Linux-Befehle

# List processes
ps aux
# Kill stuck vscode-servers
ps aux | grep .vscode-server | awk '{print $2}' | xargs sudo kill -9
# List directory sizes in current dir sorted by size
du -h --max-depth=1 | sort -hr

adduser {Benutzer} {Optionen}
deluser --remove-home {Benutzer}
# Add user to group
usermod -a -G {Group} {User}

# https://www.cyberciti.biz/faq/howto-adding-comments-to-ufw-firewall-rule/
# Add a new comment
ufw {rule-here} comment '{comment-text-here}'

# List all used ports
netstat -tulpn