====== Linux Installation ====== ===== Useful Commands ===== * To list network device names (choose one): nmcli device nmcli connection * To show details of device ''enp4s0'', including DNS servers: nmcli device show enp4s0 * Set [[https://www.lifewire.com/free-and-public-dns-servers-2626062|DNS servers]] by editing /etc/network/interfaces. ===== Security Considerations ===== * Install [[http://www.fail2ban.org/wiki/index.php/Main_Page|Fail2ban]]. * Change the ssh port. Nice instructions at [[https://www.godaddy.com/help/changing-the-ssh-port-for-your-linux-server-7306|GoDaddy]]. Don't forget to update the router firewall port mapping.