Resize freebsd harddisk

single user mode

• init 1

show partition

• gpart show

resize partition

• gpart resize -i 1 da0

swap off

• swapoff /dev/label/swap0

delete swap slice

• gpart delete -i 2 da0s1

enlarge root slice

• gpart resize -i 1 -s 70G da0s1

create new swap slice

• gpart add -t freebsd-swap da0s1b

swap label

• glabel label swap /dev/da0s1b

growfs

• service growfs onestart