On 27.08.2012 10:09, Kris zhang wrote: > Thanks for your reply, i understand your suggestion, but our system > is > built on centos6.0, it's not easy to upgrade it to 6.3. So could u > please > help me to find the package kernel-headers-2.6.32-71.29.1.el6.x86_64, > or > tell me how to get it, thanks a lot. yum update http://mirror.nl.leaseweb.net/centos-vault/6.0/updates/x86_64/RPMS/kernel-headers-2.6.32-71.29.1.el6.x86_64.rpm As already mentioned, it is not recommended to use a 2 year old kernel without security updates. Best regards, Morten