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.

Ports required:
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.

Requirements:
Make sure the hostname ,static IP and host entry is setup properly.

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There might be a need to Change SUDO LDAP password whilst managing the SUDO rights centrally through IDM. In this scenario it would be the 1st time you are configuring the SUDO rights. Follow the steps outlined to change the password for master server.

NOTE: Don't run this on replica instances of IDM as it would be replicated from Master.

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Setup and Configuration guide for Nagios Core on any Fedora/Linux based OS (incl. CentOS & Red Hat). This guide would allow you to setup Nagios Monitoring Server up and running in roughly 15 mins. The process would involve installing yum packages and then compiling Nagios from source.

NOTE: You need to a be a ROOT user to compile and install Nagios Core.

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Its now possible to install latest Nagios CORE version on Raspbian by following the steps in this article. Before writing this article I Googled for the same but couldn't find a single article covering install of latest version of Nagios on RasberryPi hence this guide. It has been fully tested and working on my personal RasPi.

This guide was originally written for Ubuntu but will work for Raspbian (Debian Wheezy) flavour for RasberryPi as well. It might work for all debian distros but not guranteed, you can try it out yourself.

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