To permanently add NAT to the default zone using firewalld, you would use which command string?

What is the difference between using = and == in a BASH double square bracket if conditional? n (==) checks equality.

Journald differs from traditional logging services such as rsyslogd and syslogd because its logs are _ by default.

What is the purpose of a Mail Transport Agent (MTA)?

What do you need to do before you can perform SSH passwordless logins?

When installing a downloaded package on the RedHat-based distribution manual using RPM, what may you have to do first?

What is GNOME ?

what the 'cd /' command do?

Which firewall is most commonly used on Linux?

What is the right command to save file and exit in Vim?

_____ is a Linux desktop environment'.