dicas (importantes) para FreeBSD

FreeBSD installation road map

comprehensible tutorials for every day use:

Bloqueando ataques "brute-force" com PF

Firewall com PF

Filtro de pacotes (pf) do OpenBSD (em português)

dica importante (ftp-proxy) para firewall com PF

Firewalling with OpenBSD's PF packet filter

links diversos para 'afinação' do sistema (syslog.conf, sysctl.conf)

Building a FreeBSD Build System

Handbook:
http://www.freebsd.org/doc/en/books/handbook/

danilo's blog

Unix Toolbox

Software Raid HowTo - FreeBSD

Vlans:
http://under-linux.org/b373-implementando-private-vlans-em-um-switch-cisco
http://www.fug.com.br/historico/html/freebsd/2007-05/msg00248.html

backup com bacula:

FreeBSD: NIC Bonding / Link Aggregation / Trunking / Link Failover Tutorial

Criando um liveCD do FreeBSD

Matt Rants (inclusive FreeBSD for Linux users)