I have a spacewalk client sub channel for each distro and tell the kickstarts to include the spacewalk client channel during the install. This method prevents the issue you have been having. <div style="font-family: arial, sans-serif; font-size: 12px;color: #999999;">-- Sent from my HP Pre3</div> <hr align="left" style="width:75%">On Nov 13, 2014 5:15 PM, Avi Miller <avi.miller@oracle.com> wrote: Hi, > On 14 Nov 2014, at 8:50 am, YANG LI <yangli@clemson.edu> wrote: > > after I removed those packages and installed with those from redhat, everything works. does this mean I have to exclude those package ever get updated to make sure yum update will not break from spacewalk? Either that, or ensure the OL6 box is also subscribed to a locally synced Spacewalk client channel, so that the newer Spacewalk RPMs will take priority over the default RPMs provided with OL6. -- Oracle <http://www.oracle.com> Avi Miller | Product Management Director | +61 (3) 8616 3496 Oracle Linux and Virtualization 417 St Kilda Road, Melbourne, Victoria 3004 Australia _______________________________________________ Spacewalk-list mailing list Spacewalk-list@redhat.com https://www.redhat.com/mailman/listinfo/spacewalk-list