Centos – How to add GD to a PHP 5.3 CentOS installation from a different repo

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Try "yum clean all" like the first poster says.

Update: Apparently RHEL 5.6 includes PHP 5.3, so this will be showing up natively for CentOS soon.

file /usr/bin/php from install of php53u-cli-5.3.4-3.ius.el5.x86_64 conflicts with file from package php-cli-5.1.6-27.el5_5.3.x86_64
file /usr/bin/php-cgi from install of php53u-cli-5.3.4-3.ius.el5.x86_64 conflicts with file from package php-cli-5.1.6-27.el5_5.3.x86_64
file /usr/share/man/man1/php.1.gz from install of php53u-cli-5.3.4-3.ius.el5.x86_64 conflicts with file from package php-cli-5.1.6-27.el5_5.3.x86_64
file /etc/php.ini from install of php53u-common-5.3.4-3.ius.el5.x86_64 conflicts with file from package php-common-5.1.6-27.el5_5.3.x86_64

The problem here is that the packages you are installing have a different name (php53 instead of php), but they attempt to install the same files...hence the conflicts. This isn't necessarily the best way to put the packages together, but I don't know if there are better packages available so we'll ignore that.

To remove your currently installed packages:

# yum remove php-cli php-common php

So, in general, yum remove <list of packages> will remove the packages. And of course, yum list installed to see a list of installed packages (or rpm -qa).