# yum replace mysql --replace-with=mysql55
Loaded plugins: fastestmirror, priorities, protectbase, replace, security
Loading mirror speeds from cached hostfile
* base: mirror.crazynetwork.it
* extras: mirror.citynethost.com
* updates: mirror.citynethost.com
base | 3.7 kB 00:00
extras | 3.4 kB 00:00
updates | 3.4 kB 00:00
0 packages excluded due to repository protections
Replacing packages takes time, please be patient...
Error: No Package Matching mysql55