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Welcome to Systems Admin .info, an open community site for Systems Administrators to share knowledge and information. All information is provided by a community of users such as yourself, so join up and contribute.

Latest News

Explore the Linux memory model

Want to know more about the workings of the Linux memory model? This article will give you a good introduction to the segment control unit and the paging models as well as a detailed look at the physical memory zone.

  • Posted by chris
  • Published: 2006-01-25

How To Set Up Database Replication In MySQL

Here is a handy tutorial for those that would like to use MySQL's replication functionality.

  • Posted by chris
  • Published: 2006-01-16

Comparison of NFS vs. others

Here is a handy reference on linux-nfs.org that compares most of the commonly available network filesystems against each other. NFSv3/NFSv4/CIFS/DAFS/WebDAV/etc... It is fairly brief, but provides a handy overview.

  • Posted by chris
  • Published: 2006-01-03

NetBSD 3 Released

The NetBSD team have released NetBSD 3.0. "NetBSD 3.0 continues our long tradition with major improvements in stability, performance, networking, security, also includes support for two new platforms (iyonix and hp700), and many new peripherals."

  • Posted by chris
  • Published: 2005-12-27

Case study - Consolidating the Sun store onto SunFire T2000 servers

Sun has published a Blueprint describing their efforts to consolidate their online store onto the SunFire T2000 platform.

  • Posted by zts
  • Published: 2005-12-14

Time Management for System Administrators

Thomas A. Limoncelli, the author of "The Practice of System and Network Administration", has just released a new book, "Time Management for System Administrators". Even better, he has released a 43 minute video presenting important aspects of time management from the book. This video is available for free.

  • Posted by chris
  • Published: 2005-12-07

Sun Cluster is free!

Sun has been going mad lately (in a good way!) and releasing a lot of its products for free. Solaris 10, obviously, and just recently Sun Studio 11, Java Enterprise System and N1 Software were announced as being free. And as part of all that, a move which surprised many, is the release of Sun Cluster 3 at no cost as well. This is great news for those looking for high quality, enterprise grade, high-availability solutions. Ben Rockwood's discussion of the announcement is worth a read to understand what this means.

  • Posted by chris
  • Published: 2005-12-03

Building Trac on Solaris walk-thru

I have written an article on how to build all the dependencies for Trac on Solaris 10. Some of the dependencies do not build out-of-the-box, and some magic is required. This is what worked for me, anyway.

  • Posted by chris
  • Published: 2005-12-02

Jeff Bonwick explains RAID-Z

RAID-Z is an exciting new chapter in the story of RAID storage. ZFS makes use of it, and now that ZFS has been released, Jeff Bonwick explains what RAID-Z is all about.

  • Posted by chris
  • Published: 2005-11-24

A guided tour of the Microsoft Command Shell

Ars Technica has an in-depth review of the new Microsoft Command Shell (MSH). It looks like a very interesting combination of Perl and Python with some SQL thrown in. Time will tell if traditional command-line administrators embrace MSH as much as they have the bourne shell and all its friends.

  • Posted by chris
  • Published: 2005-11-17

The EDDIE-Tool 0.35 Released

Version 0.35 of EDDIE-Tool, a system and network monitoring agent, has been released. Includes support for two new platforms: FreeBSD and Microsoft Windows. As well as Solaris 10 support. Better support for Linux kernel 2.6. SMTP response time monitoring. The FILE directive can show diffs when monitored files are modified. Disk/filesystem throughput measuring on Solaris. Many more enhancements and bugfixes.

  • Posted by chris
  • Published: 2005-11-01

OpenBSD 3.8 Released

OpenBSD 3.8 has been released. New features include improved hardware support, new tools, new functionality such as UDF (DVD) filesystem support and network interface aggregation, new functionality for ospfd & bgpd and various other improvements.

  • Posted by chris
  • Published: 2005-11-01

OSCON 2005 PostgreSQL Presentations

The OSCON 2005 PostgreSQL Presentations are a good read for those with an interest in PostgreSQL development.

  • Posted by chris
  • Published: 2005-10-26

Sun to update Solaris 10 by year end

Sun plans to release its first Solaris 10 update by the end of the year, featuring a new start-up process and smart software update features. However, the eagerly-awaited ZFS and Janus technologies will have to wait until next year, at least.

  • Posted by chris
  • Published: 2005-10-25

Security Forensics Using DTrace

Sys Admin Magazine has a great article on using Solaris 10's DTrace as a security forensics tool for analyzing suspicious files and processes.

  • Posted by chris
  • Published: 2005-10-25
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