System Notes Org

These RCHE study notes were designed to be brief reminders of what you should already be familiar with. This topic covers HTTP server configuration. One thing to be aware of when working with Apache and the 2.6 kernel is SELinux. Overview of SELinux SELinux, is a Mandatory Access Control (MAC) security system for Linux based on the domain-type model. It was written by the NSA ( http://www.nsa.gov/selinux/ ) and is comprised of a kernel module (included in all 2.6 kernels), patches to certain security related applications, and a security policy. More info: http://www.redhat.com/magazine/001nov04/features/selinux/ Study Notes Here are the brief steps from my RHCE study guide to help you remember the steps to configure a virtual host, and configure permissions. * HTTP/HTTPS install httpd, check context with ls -Z   Q: Create a virtual host www1.example.com w/ subdirectory /var/www/html/www1   A:    1) install httpd, modify /etc/httpd/conf/httpd.conf file  ...

There are two basic categories for web site tracking. 1. Online (Embeded Tracking Code) 2. Log Analysis (Software) Onine This type of analysis has the advantage that nothing needs to be installed on the web server. The disadvantage is that every page requires modification. That is not much of a problem for blogs, or generated content, but it can be tedious to modify a large number of pages by hand. Google analytics is free, very simple to use, and produces excellent reports. Here are the instructions from their site: https://www.google.com/support/analytics/bin/answer.py?answer=27323&hl=en_US How do I track a new website? There are two simple steps required to start tracking a new website: the creation of a new website profile, and the addition of Analytics tracking code to all of the pages you wish to track. Create a new profile 1. From the Analytics Settings page, click Add Website Profile 2. Select Add a Profile for a new domain 3. Enter the URL of the site you will be tra...