On Tue, 2011-01-25 at 01:06 +0200, mahmoud mansy wrote: > more explanation plz! Nothing much ado about nothing to really explain. Just have to search google :-)... This is the other one [1] the source from upstream. Of which you have to find one built for CentOS like this one [2] exclusively :-). A lot newer and not much laptop support compiled in, who knows it may cut cart wheels. It is built under CentOS. There is also ELREPO which does a newer kernel also [3]. John [1] ftp://ftp.redhat.com/redhat/linux/enterprise/5Server/en/RHEMRG/SRPMS/kernel-rt-2.6.33.7-rt29.47.el5rt.src.rpm [2] http://em2.elslc.com/realtime/5/ [3] http://elrepo.org