使用PortUpgrade來升級PortUpgrade套件

先更新ports tree
# portsnap update
若失敗則改先執行下列指令
# portsnap fetch update

未來更新ports tree只要執行下列指令即可
# portsnap update

確認ports tree已有更新
# more /usr/ports/UPDATING
可查看有沒有最近release的最新update資訊

－－－－－UPDATING 部份內容－－－－－

20120717:
  AFFECTS: users of ftp/proftpd
  AUTHOR: mm@FreeBSD.org

－－－－－UPDATING 部份內容結束－－－－－

開始進行portupgrade套件更新
# portupgrade portupgrade

升級完後會看到下列資訊

===>   Running ldconfig

/sbin/ldconfig -m /usr/local/lib/compat/pkg

===>   Installing ldconfig configuration file

===>   Registering installation for portupgrade-2.4.9.5,2

===>  Cleaning for portupgrade-2.4.9.5,2

--->  Cleaning out obsolete shared libraries

[Updating the pkgdb <format:bdb_btree> in /var/db/pkg ... - 151 packages found (-0 +1) . done]

檢查目前portupgrade版本

# pkg_version -v | grep portupgrade

portupgrade-2.4.9.5,2               =   up-to-date with port

升級完後建議執行"pkgdb -F"修復程式間關連性

# pkgdb -F 

--->  Checking the package registry database