I want to update the system because I haven't updated CentOS5.3 from the time when I installed it. But I am also afraid of directly using "yum update" command. I used "yum list updates" but theres a error displayed which I have already posted. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20101016/47e47170/attachment-0005.html>