Fedora

Common tasks for hardening Fedora.

Enable or start firewall service #

How do I find this problem?

Bring up a Terminal (Ctrl+Alt+T). Type service --status-all and press Enter.

How do I solve this problem?

If you do not already have a Terminal open, bring up a Terminal (Ctrl+Alt+T). Type sudo systemctl start firewalld and press Enter. Type the administrator password, and press Enter.

Why is fixing this problem important?

Enabling the firewall can prevent unauthorized attackers from connecting to your computer. The firewall filters which ports are open for attackers to connect to. The fewer ports available, lower the “attack surface.”

Update software #

When you can’t find a program to update software, type this in a terminal.

sudo yum update