ubuntu下升级php5
可参考：http://www.cnblogs.com/eastson/archive/2012/08/24/2654163.html1、首先备份Ubuntu12.04源列表
sudo cp /etc/apt/sources.list /etc/apt/sources.list.backup （备份下当前的源列表）
2、修改更新源
vi /etc/apt/sources.list
3、把里面的列表替换成下面的列表
163源:
deb http://mirrors.163.com/ubuntu/ precise main restricted
deb-src http://mirrors.163.com/ubuntu/ precise main restricted
deb http://mirrors.163.com/ubuntu/ precise-updates main restricted
deb-src http://mirrors.163.com/ubuntu/ precise-updates main restricted
deb http://mirrors.163.com/ubuntu/ precise universe
deb-src http://mirrors.163.com/ubuntu/ precise universe
deb http://mirrors.163.com/ubuntu/ precise-updates universe
deb-src http://mirrors.163.com/ubuntu/ precise-updates universe
deb http://mirrors.163.com/ubuntu/ precise multiverse
deb-src http://mirrors.163.com/ubuntu/ precise multiverse
deb http://mirrors.163.com/ubuntu/ precise-updates multiverse
deb-src http://mirrors.163.com/ubuntu/ precise-updates multiverse
deb http://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse
deb-src http://mirrors.163.com/ubuntu/ precise-backports main restricted universe multiverse
deb http://mirrors.163.com/ubuntu/ precise-security main restricted
deb-src http://mirrors.163.com/ubuntu/ precise-security main restricted
deb http://mirrors.163.com/ubuntu/ precise-security universe
deb-src http://mirrors.163.com/ubuntu/ precise-security universe
deb http://mirrors.163.com/ubuntu/ precise-security multiverse
deb-src http://mirrors.163.com/ubuntu/ precise-security multiverse
deb http://extras.ubuntu.com/ubuntu precise main
deb-src http://extras.ubuntu.com/ubuntu precise main
4、更新源
sudo apt-get update
5.卸载php5
sudo apt-get autoremove php5-common
6.重新安装php5
sudo apt-get install libapache2-mod-php5 php5
sudo /etc/init.d/apache2 restart
7.安装 GD库
sudo apt-get install php5-gd
8.安装libjpeg库
sudo apt-get install libjpeg-dev 版权声明：本文为博主原创文章，未经博主允许不得转载。
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