Basic Auditing

Distro Information

• uname -a
• lsb_release -a
• cat /proc/version
• cat /etc/issue
• cat /etc/debian_version (for Debian based systems)
• cat /etc/os-release

Networking Information

• ip a
• ifconfig -a
• sudo nestat -punta

User Management

• List users with active shell sessions: w
• List users and their respective groups: cat /etc/passwd
• List groups: cat /etc/group
• Change your own password: passwd
• Change another user's password: sudo passwd [username]

Service and Process Auditing

Listing Services

• systemctl list-unit-files
• service --status-all
• rc-status --all

Listing Processes

• ps aux

Finding Location of Program

whereis [program]

Log Management

Look for logs in var/log/.

You can tail a log, reading it in real time by using the tail command: tail -f [log file].