CentOS Server Tips

CentOS Server IP config

Configure IP via GUI: nmtui

Find IP

ip addr show eth0

Default firewall

sudo systemctl status firewalld

Allow port:

Restrict SSH to a specific IP

See SSH Tips

Adding a limited user

Add the user: adduser <username>
Make sure your own home directory is locked down: chmod /home/<username> 0750

Yum

History: sudo yum history --setopt=history_list_view=commands list all