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If you are using Internet Explorer, you need to set your browser to check for a new version of a page every time you access it. To configure this setting, from the View menu, choose Internet Options. On the General tab, in the Temporary Internet Files section, click Settings. Click the radio button to check for newer versions of stored pages every visit to the page.
Swap space at least as large as the amount of RAM on your system (twice the amount of RAM is recommended). Linux requires 256 MB swap space.
If you plan on running more than two separate instances of Sun Java System Web Server on your system, an additional 16 MB RAM for each server instance.
Paging space at least as large as the amount of RAM on your system (twice the amount of RAM is recommended).
If you intend to use hostnames during the Sun Java System Web Server installation, DNS properly configured with an entry for your server in a DNS server.
A static IP address on your machine.