Thanks sv. I got the following message after I ran "rpm -V yum". ************************************************************************************************ S.5....T c /etc/yum.conf S.5....T /usr/share/yum/archwork.pyc S.5....T /usr/share/yum/callback.pyc S.5....T /usr/share/yum/clientStuff.pyc S.5....T /usr/share/yum/comps.pyc S.5....T /usr/share/yum/config.pyc S.5....T /usr/share/yum/failover.pyc S.5....T /usr/share/yum/i18n.pyc S.5....T /usr/share/yum/keepalive.pyc S.5....T /usr/share/yum/logger.pyc S.5....T /usr/share/yum/nevral.pyc S.5....T /usr/share/yum/pkgaction.pyc S.5....T /usr/share/yum/progress_meter.pyc S.5....T /usr/share/yum/rpmUtils.pyc S.5....T /usr/share/yum/urlgrabber.pyc S.5....T /usr/share/yum/yumcomps.pyc S.5....T /usr/share/yum/yumlock.pyc S.5....T /usr/share/yum/yummain.pyc ************************************************************************************************ Is there anything wrong? Here is my yum.conf: ************************************************************************************************ [main] cachedir=/var/cache/yum debuglevel=2 logfile=/var/log/yum.log pkgpolicy=newest exactarch=1 #exclude=kernel* [base] name=Red Hat Linux $releasever base baseurl=http://download.fedoralegacy.org/redhat/$releasever/os/$basearch baseurl=http://mirror.physics.ncsu.edu/mirror/download.fedoralegacy.org/redhat/$releasever/os/$basearch gpgcheck=1 [updates] name=Red Hat Linux $releasever updates baseurl=http://download.fedoralegacy.org/redhat/$releasever/updates/$basearch baseurl=http://mirror.physics.ncsu.edu/mirror/download.fedoralegacy.org/redhat/$releasever/updates/$basearch gpgcheck=1 #[updates-testing] #name=Red Hat Linux $releasever updates-testing #baseurl=http://download.fedoralegacy.org/redhat/$releasever/updates-testing/$basearch #baseurl=http://mirror.physics.ncsu.edu/mirror/download.fedoralegacy.org/redhat/$releasever/updates-testing/$basearch #gpgcheck=1 [legacy-utils] name=Fedora Legacy utilities for Red Hat Linux $releasever baseurl=http://download.fedoralegacy.org/redhat/$releasever/legacy-utils/$basearch baseurl=http://mirror.physics.ncsu.edu/mirror/download.fedoralegacy.org/redhat/$releasever/legacy-utils/$basearch gpgcheck=1 ************************************************************************************************ Thanks a lot for your kind help. Bill seth vidal wrote: >On Thu, 2004-04-22 at 10:03 +0800, Bill Fung wrote: > > > >>I am running yum-2.0.3-5.rh.fr on redhat 8.0. Everytime I run "yum >>check-update", I got the error message "Existing lock /var/run/yum.pid: >>another copy is running. Aborting." . Actually, I got the same error >>message on ALL yum command except the help command "yum -h". >> >> > >are you doing anything odd with /proc and/or /var/run? > >run this: >rpm -V yum > >just to check out the package. >-sv > > >_______________________________________________ >Yum mailing list >Yum@xxxxxxxxxxxxxxxxxxxx >https://lists.dulug.duke.edu/mailman/listinfo/yum > >