> - Kernal to be upgraded but earlier kernal not to be > removed...multibooting into earlier kernel, if something happens. that's the default, kernels are installed, not updated, so you get multiple installed kernels. > - I have a PIII-550 Mhz, 512 MB RAM, Single Processor. I hope yum is > intelligent enough not to install the Athlon or SMP kernels. Please > reassure.;-)) I'm shaking!! yes. It knows how to distinguish archs > Commands that I intend to give: > > yum -t check-update > > and if no major probs > > yum -t update > > Is this correct? Do I need to do anything else? Please guide. yes. that's just fine. though you don't need the -t -sv