[CentOS] yum quit working in CentOS 5.4 x86_64

Mon Dec 14 11:45:43 UTC 2009
John Doe <jdmls at yahoo.com>

From: David McGuffey <davidmcguffey at verizon.net>
> Have been running 5.4 x86_64 for a couple of months now.  Every once in
> a while, I would get a notice that updates were available.
> It appears that about 3 weeks ago, yum stopped notifying me of updates.
> Over that time, I've manually done a 'yum update' from a command line,
> with an output that there are no updates.
> I know this cannot be true, because I watch the 'centOS-announce Digest'
> messages come through and see that there are updates for my
> installation.

Did you check that those digest takled about a Centos 5 version of an application specificaly installed on your server...?
The latests updates I have in my local repository are from November the 28th...
kdelibs-devel-3.5.4-25.el5.centos.1.x86_64.rpm
kdelibs-devel-3.5.4-25.el5.centos.1.i386.rpm
kdelibs-3.5.4-25.el5.centos.1.x86_64.rpm
kdelibs-3.5.4-25.el5.centos.1.i386.rpm
kdelibs-apidocs-3.5.4-25.el5.centos.1.x86_64.rpm
kexec-tools-1.102pre-77.el5.3.x86_64.rpm
system-config-lvm-1.1.5-1.0.el5_4.1.noarch.rpm
openswan-doc-2.6.21-5.el5_4.1.x86_64.rpm
openswan-2.6.21-5.el5_4.1.x86_64.rpm
xterm-215-8.el5_4.1.x86_64.rpm
metacity-2.16.0-12.el5_4.1.x86_64.rpm
metacity-2.16.0-12.el5_4.1.i386.rpm

JD