在Ubuntu 10.10上安装ZendOptimizer (支持apt-get方式安装的PHP)


参考文档:
http://blog.csdn.net/kings6681988/article/details/6334087

Ubuntu 10.10 系统默认的apt-get方式的PHP版本为5.3,而目前ZendOptimizer所支持php版本最高为5.2。
因此,要想支持ZendOptimizer,必须将PHP版本降级到5.2,而apt包管理工具是支持针对特定包的版本降级的。

比如,我们发现Karmic Koala即Ubuntu 9.10版本的PHP默认就是5.2,于是我们可以通过以下方式将我们需要的 php5-cli libapache2-mod-php5 php5-gd php5-mysql php5-common 这5个软件包统一降级到5.2。

首先删除目前安装的所有php相关套件
$ sudo apt-get purge `dpkg -l | grep php| awk '{print $2}'

切换到root身份
$ sudo -i

创建依赖关系文件支持PHP降级
# echo -e "Package: php5/nPin: release a=karmic/nPin-Priority: 991/n" >> /etc/apt/preferences.d/php
# apt-cache search php5-| grep php5-| awk '{print "Package:", $1,"/nPin: release a=karmic/nPin-Priority: 991/n"}' >> /etc/apt/preferences.d/php
# apt-cache search -n libapache2-mod-php5 | awk '{print "Package:", $1,"/nPin: release a=karmic/nPin-Priority: 991/n"}' >> /etc/apt/preferences.d/php
# apt-cache search -n php5-mysql | awk '{print "Package:", $1,"/nPin: release a=karmic/nPin-Priority: 991/n"}' >> /etc/apt/preferences.d/php
# apt-cache search -n php5-gd | awk '{print "Package:", $1,"/nPin: release a=karmic/nPin-Priority: 991/n"}' >> /etc/apt/preferences.d/php

退出root身份
# exit

创建Karmic(Ubuntu 9.10版本)的APT Source
$ sudo vim /etc/apt/sources.list.d/karmic.list
deb http://old-releases.ubuntu.com/ubuntu karmic main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu karmic main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu karmic-updates main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu karmic-updates main restricted universe multiverse
deb http://old-releases.ubuntu.com/ubuntu karmic-security main restricted universe multiverse
deb-src http://old-releases.ubuntu.com/ubuntu karmic-security main restricted universe multiverse

更新APT数据
$ sudo apt-get update

安装 php5-cli libapache2-mod-php5 php5-gd php5-mysql php5-common 这5个软件包
$ sudo apt-get install -t karmic php5-cli libapache2-mod-php5 php5-gd php5-mysql php5-common

查看PHP版本,可以看到已经成功降级到了5.2
$ sudo php --version
PHP 5.2.10-2ubuntu6.10 with Suhosin-Patch 0.9.7 (cli) (built: May 2 2011 23:24:44)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2009 Zend Technologies

下载ZendOptimizer
$ wget "http://downloads.zend.com/optimizer/3.3.9/ZendOptimizer-3.3.9-linux-glibc23-x86_64.tar.gz"
$ tar xzvf ZendOptimizer-3.3.9-linux-glibc23-x86_64.tar.gz
$ cd ZendOptimizer-3.3.9-linux-glibc23-x86_64/

复制ZendOptimizer.so到系统lib目录
$ sudo cp data/5_2_x_comp/ZendOptimizer.so /usr/lib64/php5/libexec/

配置php.ini使PHP支持ZendOptimizer
$ sudo vim /etc/php5/apache2/php.ini
[ZendOptimizer]
zend_extension=/usr/lib64/php5/libexec/ZendOptimizer.so

重启Apache,即刻生效
$ sudo /etc/init.d/apache2 restart

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