Mar 302011

Trying to install OpenX, we encountered a segmentation fault that caused the Apache httpd daemon to crash. The problem was caused by the libphp library. So we decided to upgrade from PHP version 5.1 to 5.2.

We start by creating a new file /etc/yum.repos.d/CentOS-Testing.repo:

# CentOS-Testing:
# !!!! CAUTION !!!!
# This repository is a proving grounds for packages on their way to CentOSPlus and CentOS Extras.
# They may or may not replace core CentOS packages, and are not guaranteed to function properly.
# These packages build and install, but are waiting for feedback from testers as to
# functionality and stability. Packages in this repository will come and go during the
# development period, so it should not be left enabled or used on production systems without due
# consideration.
name=CentOS-5 Testing

The last line makes sure that only PHP and related packages will be selected from the Testing repository. As long as you have deployed only the standard PHP packages, this should do the job. You can check out which packages are installed using this command:

rpm -qa |grep php


Now we are ready to perform the actual upgrade:

[root@services ~]# yum update
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
 * addons:
 * base:
 * centosplus:
 * extras:
 * updates:
c5-testing                                                                                           | 1.9 kB     00:00     
c5-testing/primary_db                                                                                | 636 kB     00:01     
Reducing CentOS-5 Testing to included packages only
Setting up Update Process
Resolving Dependencies
--> Running transaction check
---> Package php.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-bcmath.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-cli.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-common.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-devel.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-gd.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-ldap.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-mbstring.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-mysql.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-ncurses.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-odbc.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-pdo.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-pear.noarch 1:1.8.1-2.el5.centos set to be updated
---> Package php-pgsql.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-soap.x86_64 0:5.2.10-1.el5.centos set to be updated
---> Package php-xml.x86_64 0:5.2.10-1.el5.centos set to be updated
--> Finished Dependency Resolution

Dependencies Resolved

 Package                      Arch                   Version                               Repository                  Size
 php                          x86_64                 5.2.10-1.el5.centos                   c5-testing                 1.2 M
 php-bcmath                   x86_64                 5.2.10-1.el5.centos                   c5-testing                  29 k
 php-cli                      x86_64                 5.2.10-1.el5.centos                   c5-testing                 2.4 M
 php-common                   x86_64                 5.2.10-1.el5.centos                   c5-testing                 242 k
 php-devel                    x86_64                 5.2.10-1.el5.centos                   c5-testing                 549 k
 php-gd                       x86_64                 5.2.10-1.el5.centos                   c5-testing                 114 k
 php-ldap                     x86_64                 5.2.10-1.el5.centos                   c5-testing                  32 k
 php-mbstring                 x86_64                 5.2.10-1.el5.centos                   c5-testing                 1.1 M
 php-mysql                    x86_64                 5.2.10-1.el5.centos                   c5-testing                  83 k
 php-ncurses                  x86_64                 5.2.10-1.el5.centos                   c5-testing                  37 k
 php-odbc                     x86_64                 5.2.10-1.el5.centos                   c5-testing                  49 k
 php-pdo                      x86_64                 5.2.10-1.el5.centos                   c5-testing                  63 k
 php-pear                     noarch                 1:1.8.1-2.el5.centos                  c5-testing                 419 k
 php-pgsql                    x86_64                 5.2.10-1.el5.centos                   c5-testing                  67 k
 php-soap                     x86_64                 5.2.10-1.el5.centos                   c5-testing                 139 k
 php-xml                      x86_64                 5.2.10-1.el5.centos                   c5-testing                 103 k

Transaction Summary
Install       0 Package(s)
Upgrade      16 Package(s)

Total download size: 6.6 M
Is this ok [y/N]:
Running rpm_check_debug
Running Transaction Test
Finished Transaction Test
Transaction Test Succeeded
Running Transaction
 Updating       : php-common                                                                                          1/32
warning: /etc/php.ini created as /etc/php.ini.rpmnew
 Updating       : php-pdo                                                                                             2/32
 Updating       : php-cli                                                                                             3/32
 Updating       : php                                                                                                 4/32
warning: /etc/httpd/conf.d/php.conf created as /etc/httpd/conf.d/php.conf.rpmnew
 Updating       : php-odbc                                                                                            5/32
 Updating       : php-mysql                                                                                           6/32
 Updating       : php-pgsql                                                                                           7/32
 Updating       : php-ncurses                                                                                         8/32
 Updating       : php-ldap                                                                                            9/32
 Updating       : php-bcmath                                                                                         10/32
 Updating       : php-xml                                                                                            11/32
 Updating       : php-soap                                                                                           12/32
 Updating       : php-gd                                                                                             13/32
 Updating       : php-mbstring                                                                                       14/32
 Updating       : php-devel                                                                                          15/32
 Updating       : php-pear                                                                                           16/32
 Cleanup        : php-ncurses                                                                                        17/32
 Cleanup        : php-ldap                                                                                           18/32
 Cleanup        : php-pear                                                                                           19/32
 Cleanup        : php-common                                                                                         20/32
 Cleanup        : php-bcmath                                                                                         21/32
 Cleanup        : php-xml                                                                                            22/32
 Cleanup        : php-soap                                                                                           23/32
 Cleanup        : php-devel                                                                                          24/32
 Cleanup        : php-gd                                                                                             25/32
 Cleanup        : php-odbc                                                                                           26/32
 Cleanup        : php                                                                                                27/32
 Cleanup        : php-mbstring                                                                                       28/32
 Cleanup        : php-cli                                                                                            29/32
 Cleanup        : php-pdo                                                                                            30/32
 Cleanup        : php-mysql                                                                                          31/32
 Cleanup        : php-pgsql                                                                                          32/32 

 php.x86_64 0:5.2.10-1.el5.centos         php-bcmath.x86_64 0:5.2.10-1.el5.centos   php-cli.x86_64 0:5.2.10-1.el5.centos  
 php-common.x86_64 0:5.2.10-1.el5.centos  php-devel.x86_64 0:5.2.10-1.el5.centos    php-gd.x86_64 0:5.2.10-1.el5.centos   
 php-ldap.x86_64 0:5.2.10-1.el5.centos    php-mbstring.x86_64 0:5.2.10-1.el5.centos php-mysql.x86_64 0:5.2.10-1.el5.centos
 php-ncurses.x86_64 0:5.2.10-1.el5.centos php-odbc.x86_64 0:5.2.10-1.el5.centos     php-pdo.x86_64 0:5.2.10-1.el5.centos  
 php-pear.noarch 1:1.8.1-2.el5.centos     php-pgsql.x86_64 0:5.2.10-1.el5.centos    php-soap.x86_64 0:5.2.10-1.el5.centos
 php-xml.x86_64 0:5.2.10-1.el5.centos    

[root@services ~]#

New Configuration Files

As you can see, two .rpmnew files were created in the process. So we check whether the new /etc/php.ini.rpmnew file is different from the original /etc/php.ini:

diff php.ini.rpmnew

There are a lot of differences between the two, so we do another diff on our own current configuration and the original file:

diff php.ini

and we work the differences into the .rpmnew file:

cp php.ini.rpmnew

After which we put the new configuration file in place:

mv php.ini php.ini.old
mv php.ini
mv php.ini.rpmnew

We do the same for /etc/httpd/conf.d/php.conf:

[root@services conf.d]# diff php.conf.rpmnew
[root@services conf.d]#

Since there were no changes to this file made between the two versions, we can simply remove the .rpmnew file:

rm php.conf.rpmnew

Restarting the Web Server

Now we are ready to restart the web server:

[root@services conf.d]# /etc/init.d/httpd restart
Stopping httpd:                                            [  OK  ]
Starting httpd:                                            [  OK  ]

And version 5.2 of PHP should be in place:

[root@services conf.d]# rpm -qa |grep php

You can check the version and sanity of your PHP installation using this command:

php -v

  3 Responses to “CentOS 5: Upgrading PHP to Version 5.2”

  1. […] two months, no solution had came up, so we decided to upgrade to PHP version 5.2, after which this problems was […]

  2. As of today Apli 13 2012 PHP 5.2 is no more included in CentOS Testing repository

  3. […] was moved to PHP 5.2 using another repo, or maybe by a manual package installation. This has been documented online with the use of the CentOS Testing repository. If your php-common package was a one-off […]

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