Bart Schaefer spake the following on 3/14/2007 9:08 AM: > On 3/14/07, Dag Wieers <dag at wieers.com> wrote: >> >> + Upgrading from RHEL4 to RHEL5 using Anaconda does work. Even when >> people do not recommend it for various reasons. You should be able to >> update your packages directly to EL5. > > For the record, upgrading via "yum upgrade" does not appear to work. > I proceeded as follows (using vmware so I could revert snapshots if > anything went wrong): > > : mv /etc/yum.repos.d /etc/yum.repos.d.CentOS4 > : rpm -Uvh centos-release-4.92-4.i386.rpm > : cp /etc/yum.repos.d.CentOS4/rpmforge.repo /etc/yum.repos.d > : yum upgrade yum > > The end result (half an hour of dependency resolution later) is 27 > packages that have dependencies on at least 30 other packages that are > not available, plus 2 conflicts. So I tried a straight > > : yum upgrade > > which leaves me with the following: > > Error: Unable to satisfy dependencies > Error: Package VFlib2 needs libttf.so.2, this is not available. > Error: Package crypto-utils needs libnewt.so.0.51, this is not available. > Error: Package subversion needs libaprutil-0.so.0, this is not available. > Error: Package kudzu needs kernel < 2.6.13, this is not available. > Error: Package seamonkey needs seamonkey-nss = 1.0.8-0.2.el4.centos, > this is not available. > Error: Package seamonkey needs seamonkey-nspr = 1.0.8-0.2.el4.centos, > this is not available. > Error: Package subversion needs libapr-0.so.0, this is not available. > Error: Package autofs needs kernel < 2.6.17, this is not available. > Error: Package wine-core needs /usr/X11R6/bin/xmessage, this is not > available. > Error: Package hal needs kernel < 2.6.17, this is not available. > Error: Package initscripts needs kernel < 2.6.12, this is not available. > Error: Package subversion needs libneon.so.24, this is not available. > Error: Package newt-perl needs libnewt.so.0.51, this is not available. > Error: Package nfs-utils needs libevent-1.1a.so.1, this is not available. A yum upgrade between major versions has never worked well. You either get orphans, or dependency hell. An anaconda upgrade still can leave some orphans, but you can at least get a working system most of the time. -- MailScanner is like deodorant... You hope everybody uses it, and you notice quickly if they don't!!!!