Sujit Nair wrote: > Hi, > > you can do the following - shud work fine without any issues: > > yum update yum ( get the latest version of yum ) > > yum update centos-release ( To update to latest release ) > > rpm --rebuilddb -vv ( not required - just for the heck ) > > yum update > > That should upgrade all the packages ( if you see any error - u will have to > do a bit of trouble shooting ) > > After update check kernel: > yum list kernel > > Update grub and reboot into new kernel. I upgraded from 4.1 to 4.4 on 2 > servers and it went fine. > you use grub on s390 ? -- Karanbir Singh : http://www.karan.org/ : 2522219 at icq