Downgrade php version from 5.3 to 5.2 on Ubuntu 10.10 x86

New Server has come and again I must downgrade php version to 5.2 due to some problem on web application. I use same method I use for Ubuntu 10.04 for Ubuntu 10.10 x86.

Let start

Download required files for PHP 5.2 from Ubuntu Karmic repository

#cd /etc/apt/sources.list.d

#wget http://randyfay.com/sites/default/files/karmic_0.list

# cd /etc/apt/preferences.d/

#wget http://randyfay.com/sites/default/files/php_1.

# mv php_1. php

Find out installed PHP version

# php -v

PHP 5.3.3-1ubuntu9.1 with Suhosin-Patch (cli) (built: Oct 15 2010 14:00:18)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies
#

# dpkg –get-selections | grep php
libapache2-mod-php5                             install
php-db                                          install
php-pear                                        install
php5                                            install
php5-cli                                        install
php5-common                                     install
php5-gd                                         install
php5-mcrypt                                     install
php5-mysql                                      install
php5-xsl                                        install

Delete those PHP with apt-get remove

# apt-get remove libapache2-mod-php5 php-db php-pear php5 php5-cli php5-common php5-gd php5-mcrypt php5-mysql php5-xsl

# apt-get autoremove

Add php5-mcrypt

# nano /etc/apt/preferences.d/php

put these lines :

Package: php5-mcrypt
Pin: release a=karmic
Pin-Priority: 991

at the bottom.

Update repository and reinstall PHP

#apt-get update

#apt-get install php5 libapache2-mod-php5 php-db php5-cli php5-common php5-xsl php5-gd php-pear php5-mysql php5-curl php5-memcache php5-mcrypt

Check PHP version

# php -v

PHP 5.2.10-2ubuntu6 with Suhosin-Patch 0.9.7 (cli) (built: Oct 23 2009 16:30:10)
Copyright (c) 1997-2009 The PHP Group
Zend Engine v2.2.0, Copyright (c) 1998-2009 Zend Technologies
#

Great.

PHP successfully downgrade to 5.2.10 on Ubuntu 10.10 x86

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