1.rc.conf
hostname="foo"
ifconfig_em0="inet xxx netmask xxx"
defaultrouter="xxx"
sshd_enable="YES"
ntpd_enable="YES"
# Set dumpdev to "AUTO" to enable crash dumps, "NO" to disable
dumpdev="NO"
2. pw groupmod wheel -M foo
3. hosts
xxx foo foo.xx.xx
