Chapter 4.InstallationThis chapter describes the initial installation of the RHN Proxy Server. It presumes the pre-requisites listed in Chapter 2 Requirements have been met. However, if you are upgradingto a newer version of RHN Proxy Server, contact your Red Hat representative for assis-tance.4.1. Base InstallThe RHN Proxy Server is designed to run on the Red Hat Enterprise Linux AS operatingsystem. Therefore, the first phase is to install the base operating system, either from disc,ISO image, or kickstart. During and after operating system installation, make sure you:• Allocate plenty of space to the partition that will be used to store packages, accordingto the hardware requirements set forth earlier. The default location for cached RedHat packages is /var/spool/squid, while custom packages are located in/var/spool/rhn-proxy.• Install the packages required by RHN Proxy Server and only those packages. You mustinstall only the base packages as others will cause the RHN Proxy Server installationto fail Refer to Section 2.1 Software Requirements for the method to obtain the correctpackage group needed for each version of Red Hat Enterprise Linux AS.ImportantIf you plan to obtain Monitoring-level service, you must install your RHN Proxy Serveron Red Hat Enterprise Linux AS 3 Update 5 or Red Hat Enterprise Linux AS 4. Theseare the only supported base operating systems for Proxies serving Monitoring-entitledsystems.• Enable Network Time Protocol (NTP) on the Proxy and select the appropriate time zone.All client systems should already be running the ntpd daemon and be set to the correcttime zone.• Disable the ipchains and iptables services after installation.4.2. RHN Proxy Server Installation ProcessThe following instructions describe the RHN Proxy Server installation process: