Cache manager

As described briefly in the earlier chapters, cache manager (cachemgr) is a web interface for managing the Squid proxy servers. It is provided by default. This means that we don't have to install any additional module, or software, other than a web server to have a web interface to manage our proxy server. Also, cache manager is not just an interface to manage our proxy server. It provides various statistics about the usage of different resources that can help us in monitoring the proxy server from a web interface.

But before we can use the cache manager web interface, we need to configure Squid and our web server to use the cachmgr.cgi program for providing the web interface.

Installing the Apache Web server

Although this topic is out of the scope of this book, we'll have a quick look at installing Apache, which is a very popular open source Web server and is available for free from http://httpd.apache.org/. Apache is available in software repositories of most Linux/Unix-based...