[root@kaisan daniyal]# yum replace php54 --replace-with=php54u
Loaded plugins: fastestmirror, priorities, protectbase, replace
Replacing packages takes time, please be patient...
Loading mirror speeds from cached hostfile
* PUIAS_6_computational: puias.math.ias.edu
* base: mirrors.mit.edu
* epel: mirror.us.leaseweb.net
* extras: mirror.cogentco.com
* ius: mirror.symnds.com
* mratwork-epel: mirror.us.leaseweb.net
* mratwork-ius-stable: mirror.symnds.com
* mratwork-webtatic: us-east.repo.webtatic.com
* updates: centos.netnitco.net
* webtatic: us-east.repo.webtatic.com
0 packages excluded due to repository protections
Error: No Package Matching php54u
[root@kaisan daniyal]#