So here is the operation system:
# cat /etc/redhat-releaseAnd here is the problem:
Red Hat Enterprise Linux Server release 5.3 (Tikanga)
Of course yum is clearly corrupted and needs to be reinstalled, so as root we will download the corresponding rpm and install it. Note that use the magnificent CentOS rpms.:#yum There was a problem importing one of the Python modules required to run yum. The error leading to this problem was: No module named yum Please install a package which provides this module, or verify that the module is installed correctly. It's possible that the above module doesn't match the current version of Python, which is:...
mkdir /tmp/yum
cd /tmp/yum
http://mirror.centos.org/centos/5/os/i386/CentOS/yum-3.2.22-20.el5.centos.noarch.rpm
rpm -Uvh yum-3.2.22-20.el5.centos.noarch.rpm
Right there I got some missing dependencies so then I pulled them as well and since I downloaded everything into /tmp/yum I can build them all at once. Note that expat library is needed by python-elementtree however I did not find the rpm in CentOS repo:
wget http://mirror.centos.org/centos/5/os/i386/CentOS/yum-fastestmirror-1.1.16-13.el5.centos.noarch.rpm
wget http://mirror.centos.org/centos/5/os/x86_64/CentOS/python-elementtree-1.2.6-5.x86_64.rpm
wget ftp://ftp.muug.mb.ca/mirror/centos/5.4/updates/x86_64/RPMS/expat-1.95.8-8.3.el5_4.2.x86_64.rpm
rpm -Uvh *
Now finally yum is back:
# yum --version|head -1
3.2.22
But you need to install the repos. While you can do this manually and use different repos (Use one that uses GPG keys ) the easiest way is to just install an rpm to get the rpmforge repo:
rpm -Uhv http://apt.sw.be/redhat/el5/en/x86_64/rpmforge/RPMS/rpmforge-release-0.3.6-1.el5.rf.x86_64.rpm
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