Whenever you have to debug virtual host setups in Apache, checking the actual running virtual host configuration is a good first step. This can be done with the -S option used on the Apache binary: It lists all running virtual hosts and performs a syntax check.

Apache Web Server maybe one of such popular server application and those are so many articles describes an implementation how to & Apache Web Server tutorial on openSUSE. Even with so many tutorial regarding Apache and virtual host on openSUSE, I’m going to mad for about 2 days finding why Apache virtual host doesn’t work as it should be.

Obviously you do not want to have page view statistics for each Apache node, but overall page view statistics. To achieve this, we must merge the access logs from each node into one overall access log that we can then feed into Webalizer or AWstats.

The Apache Web server (Apache) comes with a powerful logging framework. In the default configuration, Apache logs all errors to an error log and all access requests to an access log. The default level of logging is sufficient for analyzing traffic patterns and for getting basic information about errors, but it may be inadequate for troubleshooting purposes. Familiarity with all the logging features can help you troubleshoot the Web server or applications hosted on Apache.

Rapache is a utility used for remotely managing Apache webserver.
Rapache is a free software, developed with Python + GTK, usong this utility you can very easily create a virtual host, enabling / disabling modules and quickly review the logs etc.

Log files are critical to managing Apache. Managing these logs can provide advance security warnings, provide detailed information in terms of who is visiting your site and where they are coming from and much more.

Learn how to employ some of Apache’s most useful and effective modules to restrict access to your Apache-powered website.

"logfeed is a Perl script which generates custom-filtered, templated Atom
feeds from Apache access logs. Feeds are defined by simple configuration files, fragments of Perl code, which define the metadata (the title, URI, etc.), filtering rules, and (optionally) a template for the resulting feed entries. You can literally filter on anything you can write a regular expression for and it’s simple to format the results however you like—it’s pretty easy to get creative..."

We have already seen the apache2 installation if you want to check here Virtual Host refers to the practice of running more than one web site (such as www.company1.com and www.company2.com) on a single machine. Virtual hosts can be “IP-based”, meaning that you have a different IP address for every web site, or “name-based”, meaning that you have multiple names running on each IP address.