Linux

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Monitoring With Groundwork Open Source On CentOS 5.1

Monitoring With Groundwork Open Source On CentOS 5.1

Nagios is (in my opinion) one of the finest availability and monitoring solutions available. The stability, extendability and cost effectiveness (it is free under the GPL), are second to none (again, my opinion). That being said, it is far from being the easiest monitoring solution to implement. The build process itself, while not being overly complicated, can be vexing to new Linux users. That doesn't even include the configuration, which sometimes still makes me cringe.

XWiki On Debian 4 (Etch) - Tomcat - PostgreSQL (or MySQL)

XWiki On Debian 4 (Etch) - Tomcat - PostgreSQL (or MySQL)

XWiki is a professional wiki with enterprise features such as blog, strong rights management, LDAP authentication, PDF export, full skining and more. It also includes an advanced form and scripting engine making it a development environment for data-based applications. It has powerful extensibility features such as scripting in pages, plugins and a highly modular architecture.

How To Set Up Software RAID1 On A Running LVM System (Incl. GRUB Configuration) (Debian Etch)

How To Set Up Software RAID1 On A Running LVM System (Incl. GRUB Configuration) (Debian Etch)

This guide explains how to set up software RAID1 on an already running LVM system (Debian Etch). The GRUB bootloader will be configured in such a way that the system will still be able to boot if one of the hard drives fails (no matter which one).

How To Extract Values From top And Plot Them

How To Extract Values From top And Plot Them

Many researchers who are doing performance evaluation and benchmarking need to capture the values of the CPU and the RAM. Others might need to capture the throughput as well. In this short tutorial I will show how I capture the CPU and RAM values from “top” and then extract them in one line command.

Virus Protection With avast! Linux Home Edition On Ubuntu Gutsy Gibbon

Virus Protection With avast! Linux Home Edition On Ubuntu Gutsy Gibbon

This tutorial shows how you can install and use avast! Linux Home Edition on an Ubuntu Gutsy Gibbon desktop. Although there aren't many Linux viruses out there, this can be useful if you often exchange files with Windows users - it can help you to not pass on any Windows viruses (that don't do any harm to Linux systems) to Windows users. avast! Linux Home Edition is free for private and non-commercial use.

Installing The Open Source Ticket Request System (OTRS) On Fedora 8

Installing The Open Source Ticket Request System (OTRS) On Fedora 8

This document describes how to set up the Open Ticket Request System (OTRS) on Fedora 8. Taken from the OTRS page: "OTRS is an Open source Ticket Request System (also well known as trouble ticket system) with many features to manage customer telephone calls and e-mails. The system is built to allow your support, sales, pre-sales, billing, internal IT, helpdesk, etc. department to react quickly to inbound inquiries."

Installing mod_geoip for Apache2 On Debian Etch

Installing mod_geoip for Apache2 On Debian Etch

This guide explains how to set up mod_geoip with Apache2 on a Debian Etch system. mod_geoip looks up the IP address of the client end user. This allows you to redirect or block users based on their country. You can also use this technology for your OpenX (formerly known as OpenAds or phpAdsNew) ad server to allow geo targeting.

How To Get Ubuntu System Facts With Facter

How To Get Ubuntu System Facts With Facter

Facter is a cross-platform Ruby library for retrieving facts from operating systems. It supports multiple resolution mechanisms, any of which can be restricted to working only on certain operating systems or environments. Facter is especially useful for retrieving things like operating system names, IP addresses, MAC addresses, and SSH keys. It is easy to extend Facter to include your own custom facts or to include additional mechanisms for retrieving facts.

Speed Up Your System With Preload On Fedora 8

Speed Up Your System With Preload On Fedora 8

This document describes how to install preload on Fedora 8. Preload is an adaptive readahead daemon - it will monitor which programs you use at the most. Parts of these programs will be cached to speed up their load time.

Installing The Amazon MP3 Downloader On Ubuntu Gutsy Gibbon

Installing The Amazon MP3 Downloader On Ubuntu Gutsy Gibbon

This short guide explains how to install the Amazon MP3 Downloader on Ubuntu 7.10 (Gutsy Gibbon). The Amazon MP3 Downloader is required for album purchases on Amazon.com, and makes downloading songs fast and easy.

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