Learning Nagios 3.0 is a comprehensive configuration guide to monitor and maintain your network and systems. It is a practical guide to setting up the Nagios 3.0 open source network monitoring tool, installing and configuring Nagios 3 on various operating systems. It will help understand system monitoring and how Nagios works.

Before you update your Nagios XI server be sure to create a good backup that could be used to recover if there are problems. This article provides you a script that you can use to backup Nagios XI before an upgrade and shows how to perform the upgrade of Nagios.

As an administrator you may be face with the task of constantly monitoring web servers, mail servers, ftp servers, etc. Basically, your organization wants all of their servers up and running all of the time. Nagios 3 offers an easy set up and configuration to make this happen so that you can monitor multiple servers and have Nagios alert you to problems.

Nagios is a monitoring software designed to let you know about problems on your hosts and networks quickly. You can configure it to be used on any network.

Nagios is the industry standard in enterprise-class monitoring for good reason. It allows you to gain insight into your network and fix problems before customers know they even exist. It's stable, scalable, supported, and extensible.

Nagios is a host and service monitor designed to inform you of network problems before your clients, end-users or managers do. It has been designed to run under the Linux operating system, but works fine under most *NIX variants as well.

"...Prof. Magliocca compares 19th century problems with "patent sharks" to today's problems with "patent trolls" and suggests the only politically acceptable path out of today's problems may be the path taken out of the 19th century problems, i.e. elimination of the class of patents that triggered the problems. He provides tons of interesting context, but here's one of his proposals..."

Via boycottnovell http://boycottnovell.com/2007/12/14/fsf-gerard-magliocca-on-patents/

When I took Calculus in college, my Professor would give us substantial partial credit for test problems that we got wrong for minor arithmetic errors, and rightfully so, too. Sometimes even simple-sounding problems resulted in a full page, or more, of calculations. Simply changing a -1 to a +1 early on in a problem could be completely devastating.

After having run into several somewhat small but bothersome problems with both my machines running Fedora 10 (various sound problems with the new pulse, a new slew of compiz problems, and bad Xorg memory leaks), I decided that since OpenSuSE offers many things I was looking for right now: RPM 4.6, OpenOffice.org 3, a decent pulseaudio that hasn’t implemented timer based scheduling, etc, that I w