This role contains tasks meant to bring basic security improvement to the
system: install essential packages and repositories, setting up a firewall using
ufw, changing default file creation mask, hardening SSH configuration, etc.
It is strongly recommended to include this role in first position in any Caislean installation.
This role only consists in including subroles that fulfill these tasks:
base-packages, base-config, base-hardening, ufw and antivirus. You may
want to rather select them individually for a finer tuning of your system.
None.
Email address of the administrator, where Cron messages and various security alerts will be sent to.
None.