On Tue, Dec 30, 2008 at 1:29 PM, German Andres Pulido Franco <gpulido at gtscolombia.com> wrote: > Hi! > > I have some servers, all running centos 5.2 x64 with current updates. None of > the servers has installed packages that are not part of the centos regular > packages. They were installed using the "server" packages at install, > therefore there is no X server, GNOME, KDE or any other non-server stuff. > However, I recently noted that the servers have the x64 _and_ the i386 > versions of some packages installed, for instance: krb5-libs-1.6.1-25.el5_2.1 > and pam_krb5-2.2.14-1.el5_2.1. My question is: If I have no 32 bits software > installed on these machines, why are such libraries installed? and can they be > safely removed from the servers? There is a known issue with yum. See, for example, http://lists.centos.org/pipermail/centos-devel/2008-June/002961.html http://lists.centos.org/pipermail/centos/2008-July/060236.html At any rate, you want to remove all *.i?86 packages and then add this line: exclude=*.i386 *.i686 in /etc/yum.conf to maintain a pure 64-bit system. Akemi