Installing GeoServer is relatively simple, however there is more than one way to do so. The appropriate method depends upon the operating system and container (such as Tomcat) that will be used.
1.1.1 Windows Install
How to install GeoServer on Microsoft Windows with the installer (.exe).
1.1.2 Binary Package Install
How to set up GeoServer with the binary distribution package (-bin version) for Mac, Unix, and Windows platforms. This is used for manually installing the files and running GeoServer as a Java program without a wrapper such as Tomcat.
1.1.3 War-File install
How to install GeoServer into servlet containers such as Tomcat, Jetty, and Jboss.
1.1.4 CentOS (Red Hat) 5.1 Install
How to install GeoServer on CentOS 5.x (also valid for Red Hat 5.x), including Postgresql with Postgis support.