It is supposed to be as easy as yum -y upgrade by right.. if everything goes fine.. you shall be able to boot the new kernel after reboot when all the process complete.. just want to share my experience.. I got 8box to upgrade. all from 2.6.18-53.1.4.el5 .. (CentOS 5.1 ) going to .. 2.6.18-92.el5 […]