How do I verify that the system using correct GPG keys to verify all patches, packages and update installed from RHN or repo under RHEL 5 or 6 server operating systems?
How do I install iptables under Redhat (RHEL) or CentOS or Fedora Linux operating systems?
How do I protect my yum repo’s packages from certain repositories getting replaced / updated via yum command itself under CentOS / RHEL / Redhat Enterprise Linux?
Q. How do I enable and install Media player under CentOS or Fedora or Red Hat Enterprise Linux systems? How do I play mp3s under RHEL / CentOS Linux 5.x? How do I play CD / DVD movies under RHEL / CentOS Linux version 5.x?
Q. I made a mistake and added additional repo under CentOS / RHEL 5.x server. Now when I try to upgrade packages it gives me out broken dependencies / missing dependency error. How do I skip broken packages and apply updates to other installed software’s?
Q. Why does my yum command fail with an error that a repo is listed more than once under Fedora / RHEL / CentOS Linux? This error occurs when I type yum clean command
Loading “rhnplugin” plugin
Loading “security” plugin
Repository xen-repo is listed more than once in the configuration
How do I fix this problem?
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