This article shows you the steps to install Spacewalk 2.2 (aka Satellite) version on CentOS. To start with the install we need make sure that firewall and hostname and IP are configured correctly. Make sure that these ports are opened in the firewall.
Outbound open ports -- 80, 443, 4545
Inbound open ports -- 80, 443, 5222 and 5269, 69 udp if you want to use tftp (for kickstart PXE)
RAM requirements -- 2GB Minimum , 4GB Recommended
This article will be based on CentOS 6. There is a one click script as well in BASH SCRIPTS section.
Make sure the hostname ,static IP and host entry is setup properly.
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