Carl Boberg wrote: > My question is if anyone have any tips/tricks regarding online migration > from RHEL to Centos, especially between ver. 5? All that you should need to do is install centos-release, remove redhat-release rpms and just yum update the machine, which should bring in all packages changed by CentOS ( since they will have a slightly higher E-V-R ). End of Migration. Disclaimer: i've not tested this since there are no rhel machines near me, anywhere. - KB