ubuntu下升级php5_ubuntu将php5升级-优快云博客

本文链接：https://blog.youkuaiyun.com/maorenqi101/article/details/9997483

本文提供了一种在 Ubuntu 12.04 系统上更换软件源的方法，并详细介绍了如何通过更换为 163 源来优化系统更新，接着给出了卸载旧版 PHP5 的步骤，最后提供了安装和配置 PHP5 以及 GD 库和 libjpeg 库的具体命令。

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可参考：http://www.cnblogs.com/eastson/archive/2012/08/24/2654163.html

1、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