The latest CentOS 5 kernel, 2.6.18-8.1.15.el5 broke my box and I had to drop back to 2.6.18-8.1.14.el5 before I could play DVDs with either Xine or mplayer. ( xine-0.99.5-1.el5.rf & mplayer-1.0-0.36.rc1try2.el5.rf ). This is no big deal to me -- as long as I can make certain that the older kernel doesn't go away. If I understand the installonly plugin correctly, an entry of tokeep=4 in /etc/yum/pluginconf.d/installonlyn.conf will cause yum to leave the working kernel in place through 2 more upgrades. Aside from setting tokeep to an insanely large value, is there any way to insure that yum will concern itself only with installing updates, allowing me to deal with tossing the old stuff? Also, is my understanding of the "tokeep" value in installonlyn.conf correct? Thanks! --