http://www.ittang.com/2008/0309/4832.html
pkg_add配置
1.setenv "cvsup2.cn.freebsd.org"
2.pkg_add -r cvsup-without-gui
3.rehash
4.cd /usr/share/examples/cvsup/
5.ee ports-supfile
6.编辑*default host=cvsup2.cn.freebsd.org保存退出
7.cvsup -g -L 2 port-supfile
挂接光驱
mount -t cd9660 /dev/acd0 /cdrom
卸载光驱
umount -f /cdrom