Puppet (configuration management)

Puppet is an open source systems management tool for centralizing and automating configuration management.
Optimize system performance with Linux cgroups

The Linux cgroups feature lets you make a profile to manage resources to keep your system under control.
Search and replace on steroids: Do more with sed

These tips can help administrators help themselves through advanced text editing with the UNIX Stream Editor (sed) utility.
British ISP deploys open source virtualization

JT Global is marching to the beat of its own drummer with open source software, including Ubuntu virtual machines, ConVirt virtualization management software, and a unique approach to VM clustering.

Linux administration tools

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Debugging IPC with Shell commands from "The Linux Programmer's Toolbox"

Get advice about utilities for debugging communication between processes, find out how to handle open files and dumping data from files, discover commands and more from Chapter 8, Debugging IPC with Shell commands, in "The Linux Programmer's Toolbox.... Tip
Chapter 20, Adding, updating and removing software, from "Ubuntu Linux Bible"

Troubleshoot and tackle repositories, software and updates in Chapter 20 -- Adding, updating and removing software -- from the "Ubuntu Linux Bible." Tip
Chapter 1, Best practices, of "Building a Monitoring Infrastructure with Nagios"

Chapter 1 of "Building a Monitoring Infrastructure with Nagios" describes what pitfalls to avoid when making design choices for your Nagios installation. Tip
Zenoss takes on IBM, HP systems management

Can open source startups compete with IBM in the systems management space? SearchEnterpriseLinux.com spoke with Zenoss CEO Bill Karpovich to hear why he thinks the answer could lie in the mid market. Article
Linux security: Top 10 tips

Harden your Linux security further with these tips on Bash, the command line, PAM, Novell's AppArmor and more. 10 Tips in 10 Minutes
SUSE security: Forgotten passwords, AppArmor

A security expert describes how to harden your openSUSE 10.2 installation and talks about open source security tools. Tip
LinuxWorld: Managing mixed source software stacks

Get a Linux architect's opinion of Vista and four tips on managing a data center's mix of open and closed source software stacks in this report on Russell Pavlicek's LinuxWorld workshop. Article
Linux/Unix commands: How to get copy, conversion power with dd

Learn how to use dd, a Linux command for handling convert-and-copy tasks. An expert shows how to clone your hard drive, create a backup of your Master Backup Record and increase your swap space. Tip
Turning on pam_tally.so

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Looking ahead to Nagios 3.0

James Turnbull, author of "Pro Nagios 2.0," describes the new features in the upcoming Nagios 3.0 enterprise monitoring program. Tip

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