Cough, cough, cough (I have a bit of a cold, please excuse me) Thanks for the great CentOS. I assume the following means I need to humbly ask for the kernel-vm for 5.1, but I am not certain. If so, I hereby humbly ask. --> Running transaction check --> Processing Dependency: kernel-headers for package: glibc-headers --> Processing Dependency: kernel-headers >= 2.2.1 for package: glibc-headers --> Finished Dependency Resolution Error: Missing Dependency: kernel-headers >= 2.2.1 is needed by package glibc-headers Error: Missing Dependency: kernel-headers is needed by package glibc-headers CentOS5[root at somevbox ~]# rpm -qa | grep kernel kernel-vm-headers-2.6.18-8.1.10.el5.vm.c5 kernel-vm-2.6.18-8.1.15.el5 kernel-vm-2.6.18-8.1.14.el5.centos.plus kernel-vm-devel-2.6.18-8.1.15.el5 -- Sincerely, John Thomas