• OS Security Updates

• Firewall

CLI:

sudo iptables -L -n

CLI: (Ubuntu, and only if installed)

sudo ufw status

GUI: (Ubuntu, and only if installed)

gufw

• Anti-Virus Version

CLI deb:

dpkg-query -l | grep virus rpm: yum list installed | grep virus

See also: https://en.wikipedia.org/wiki/Linux_malware#Anti-virus_applications

• User privilege

CLI:

groups

• Drive Encryption

CLI:

sudo dmsetup status

• Services Running

CLI:

top

CLI:

ps -ef