I shoulda knowd.... Okay, this may seem dumb, but I imagine I've already been there.... Here's what I get when I try the install with rpm: [root at localhost x86_64]# rpm -ivh kernel-*.rpm Preparing... ########################################### [100%] package kernel-2.6.9MHRsmp-1 (which is newer than kernel-2.6.9-42.0.3.mhr) is already installed [root at localhost x86_64]# Now, I _really_ want to install this, but when I try yum localinstall, I get this: [root at localhost x86_64]# yum localinstall kernel-*.rpm Setting up Local Package Process Examining kernel-2.6.9-42.0.3.mhr.x86_64.rpm: kernel - 2.6.9-42.0.3.mhr.x86_64 Examining kernel-debuginfo-2.6.9-42.0.3.mhr.x86_64.rpm: kernel-debuginfo - 2.6.9-42.0.3.mhr.x86_64 Examining kernel-devel-2.6.9-42.0.3.mhr.x86_64.rpm: kernel-devel - 2.6.9-42.0.3.mhr.x86_64 Examining kernel-largesmp-2.6.9-42.0.3.mhr.x86_64.rpm: kernel-largesmp - 2.6.9-42.0.3.mhr.x86_64 Examining kernel-largesmp-devel-2.6.9-42.0.3.mhr.x86_64.rpm: kernel-largesmp-devel - 2.6.9-42.0.3.mhr.x86_64 Examining kernel-smp-2.6.9-42.0.3.mhr.x86_64.rpm: kernel-smp - 2.6.9-42.0.3.mhr.x86_64 Examining kernel-smp-devel-2.6.9-42.0.3.mhr.x86_64.rpm: kernel-smp-devel - 2.6.9-42.0.3.mhr.x86_64 Marking kernel-debuginfo-2.6.9-42.0.3.mhr.x86_64.rpm to be installed Marking kernel-largesmp-2.6.9-42.0.3.mhr.x86_64.rpm to be installed Marking kernel-2.6.9-42.0.3.mhr.x86_64.rpm as an update to kernel - 2.6.9-42.EL.x86_64 Marking kernel-2.6.9-42.0.3.mhr.x86_64.rpm as an update to kernel - 2.6.9-42.0.3.EL.x86_64 Marking kernel-devel-2.6.9-42.0.3.mhr.x86_64.rpm as an update to kernel-devel - 2.6.9-42.0.3.EL.x86_64 Marking kernel-devel-2.6.9-42.0.3.mhr.x86_64.rpm as an update to kernel-devel - 2.6.9-42.EL.x86_64 Marking kernel-largesmp-devel-2.6.9-42.0.3.mhr.x86_64.rpm as an update to kernel-largesmp-devel - 2.6.9-42.0.3.EL.x86_64 Marking kernel-smp-2.6.9-42.0.3.mhr.x86_64.rpm as an update to kernel-smp - 2.6.9-42.EL.x86_64 Marking kernel-smp-2.6.9-42.0.3.mhr.x86_64.rpm as an update to kernel-smp - 2.6.9-42.0.3.EL.x86_64 Marking kernel-smp-devel-2.6.9-42.0.3.mhr.x86_64.rpm as an update to kernel-smp-devel - 2.6.9-42.0.3.EL.x86_64 kernel-2.6.9-42.0.3.mhr.x86_64.rpm: does not update installed package. Resolving Dependencies --> Populating transaction set with selected packages. Please wait. ---> Package kernel-largesmp-devel.x86_64 0:2.6.9-42.0.3.mhr set to be updated ---> Package kernel-smp.x86_64 0:2.6.9-42.0.3.mhr set to be installed ---> Package kernel.x86_64 0:2.6.9-42.0.3.mhr set to be installed ---> Package kernel-smp-devel.x86_64 0:2.6.9-42.0.3.mhr set to be updated ---> Package kernel-largesmp.x86_64 0:2.6.9-42.0.3.mhr set to be updated ---> Package kernel-devel.x86_64 0:2.6.9-42.0.3.mhr set to be installed ---> Package kernel-debuginfo.x86_64 0:2.6.9-42.0.3.mhr set to be updated --> Running transaction check Dependencies Resolved ======================================================================== ===== Package Arch Version Repository Size ======================================================================== ===== Installing: kernel x86_64 2.6.9-42.0.3.mhr kernel-2.6.9-42.0.3.mhr.x86_64.rpm 34 M kernel-debuginfo x86_64 2.6.9-42.0.3.mhr kernel-debuginfo-2.6.9-42.0.3.mhr.x86_64.rpm 961 M kernel-devel x86_64 2.6.9-42.0.3.mhr kernel-devel-2.6.9-42.0.3.mhr.x86_64.rpm 11 M kernel-largesmp x86_64 2.6.9-42.0.3.mhr kernel-largesmp-2.6.9-42.0.3.mhr.x86_64.rpm 39 M kernel-smp x86_64 2.6.9-42.0.3.mhr kernel-smp-2.6.9-42.0.3.mhr.x86_64.rpm 34 M Updating: kernel-largesmp-devel x86_64 2.6.9-42.0.3.mhr kernel-largesmp-devel-2.6.9-42.0.3.mhr.x86_64.rpm 11 M kernel-smp-devel x86_64 2.6.9-42.0.3.mhr kernel-smp-devel-2.6.9-42.0.3.mhr.x86_64.rpm 11 M Transaction Summary ======================================================================== ===== Install 5 Package(s) Update 2 Package(s) Remove 0 Package(s) Total download size: 1.1 G Is this ok [y/N]: N Exiting on user Command Complete! [root at localhost x86_64]# Since this is going to update the two *-devel packages, I need to know if this is safe to do, i.e., will this damage anything I need to get back to if the new installed kernel doesn't boot or work right (even though rpm says it's the same one)? Thanks again. mhr CentOS newbie (duh!)