#lang en

<<TableOfContents()>>

= Description =
FreeBSD is a free and open-source Unix-like operating system descended from the Berkeley Software Distribution (BSD), which was based on Research Unix. The first version of FreeBSD was released in 1993. In 2005, FreeBSD was the most popular open-source BSD operating system, accounting for more than three-quarters of all installed BSD systems.

(source: [[WikiPedia:FreeBSD|WikiPedia]])

= Install =
== Disk encryption ==
Thanks [[https://www.c0ffee.net/blog/freebsd-full-disk-encryption-uefi/|c0ffee.net]] for his description! After a long time of trying the best option, I ended up using ZFS in combination with disk encryption. This works out-of-the-box during the installation. Downside, you have to learn how ZFS works...

= Configuration =
== Network ==
[[https://www.transip.eu/knowledgebase/entry/2866-adding-ipv4-ipv6-address-freebsd/|Adding an ip alias]]

= Packages and updates =
== Remove packages ==
To remove a package with all his dependencies:
{{{
pkg remove PKGNAME
pkg autoremove
}}}

== Update base OS ==
To update the baseOS with security updates:
{{{
freebsd-update fetch
freebsd-update install
}}}

To update a minor release
{{{
freebsd-update fetch
freebsd-update install
freebsd-update upgrade -r 12.1-RELEASE
freebsd-update install
reboot
freebsd-update install
freebsd-update install
reboot
}}}

== Packages update ==
To show with packages need to be updated:
{{{
pkg version -U -R -L \=
}}}

{{{
pkg update
pkg version -vIL=
pkg audit -F
pkg upgrade
}}}

= Tools =
== Network ==
Show all open ports and there processes:
{{{
sockstat -4 -l
}}}

== Firewall ==
Show rules:
{{{
pfctl -sr
}}}