freebsd-version or uname -mrs
freebsd-update fetch install
pkg update && pkg upgrade -y
freebsd-update -r xx.x-RELEASE upgrade
freebsd-update install
reboot
freebsd-update install
pkg-static install -f pkg
pkg update && pkg upgrade -y
ps aux
sockstat -l
sockstat -4
sockstat -6
netstat -a -n | grep LISTEN
top
tail -f /var/log/messages
grep error /path/to/app
egrep -i 'err|warn|cri' /var/log/messages
freebsd-version or uname -mrs