Stromdahl / cheat-sheet

Cheat Sheet

Linux

Get the number of installed packeges on the system

dpkg-query -W | wc -l # Debian based Systems
yum list installed | wc -l # RPM-Based Systems (not verified to work)

List running services on Systemd

systemctl list-units --type=service --state=running 

Commands

dd

dd if=debian-11.6.0-amd64-netinst.iso of=/dev/sdb bs=4M

Markdown

Cheet Sheet Link [title](https://www.example.com)

Heading

# H1
## H2
### H3

SSH

Security

Mozilla OpenSSH recomendations SSH Bastion Host Best Practices

Other cheat-sheets

https://github.com/ruanbekker/cheatsheets