The following error appears during upgrade:
YumTestTransactionError: Test Transaction Errors: file /etc/httpd/conf.d/php.conf from install of php-5.1.6-44.el5_10.x86_64 conflicts with file from package php53-5.3.3-22.el5_10.x86_64
Or the following one:
YumTestTransactionError: Test Transaction Errors: file /etc/my.cnf from install of mysql-libs-5.5.45-1.el5.remi.x86_64 conflicts with file from package mysql-5.0.95-5.el5_9.i386
Packages from third-party repositories conflicting with installed ones.
Remove all third-party repositories from
/etc/yum.repos.d/. Keep the required files only:
Start the upgrade again.