~# yum install postgresql postgresql-contrib
Install Oracle Spacewalk
~# yum install spacewalk-postgresql
yum install spacewalk-utils spacecmd
spacecmd allows you to administer Spacewalk from the command line. You can manage activation keys, configuration channels, Kickstarts, software channels, systems, and users.
spacewalk-common-channels allows you to configure the software channels, public yum repositories, GPG keys, and activation keys for Oracle Linux from the command line.
spacewalk-hostname-rename allows you to regenerate the SSL certificate if you change the system’s host name.
spacewalk-sync-setup allows you configure a master-slave relationship between two Spacewalk servers that you want to use in an Inter-Server Synchronization (ISS) configuration.