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A look at Slackware's package utilities
Slackware Linux is the oldest surviving Linux distribution.The distribution is best known for its no-frills, minimum customizations approach to applications like KDE. It's also notorious for its reluctance to switch to new version of several popular applications like Apache or GCC. No surprise then, that its package management system has seen little change over the years and is still available in just one flavor -- vanilla. Read more

( Permalink: A look at Slackware's package utilities      Submitted by Askar Ali Khan Thu Feb 22, 2007 )

How To Search For Missing Packages With apt-file
This short article describes how you can search for missing packages with apt-file on Debian and Ubuntu systems. apt-file allows you to search for a file name, and it gives back the name(s) of the package(s) containing that file so that you can install the appropriate package.

( Permalink: How To Search For Missing Packages With apt-file      Submitted by Falko Timme Thu Feb 22, 2007 )

9 Tips to diagnose remote Linux server network
Many new admin or Linux users get frustrated when their remote Linux box is not accessible dues to network connectivity.

In this article I will try to provide tools and information about how to diagnose network configurations. You can try these tips/tools to diagnose an issue of Linux network connectivity to remote or local servers.

( Permalink: 9 Tips to diagnose remote Linux server network      Submitted by nixCraft Thu Feb 22, 2007 )

Setup the SSH server to use keys
This article describes in detail how to configure the SSH server in order to use 2048-bit DSA keys for user authentication, without permitting authentication with passwords, to support connections through the 2nd version of the SSH protocol (SSH-2) only and, finally, to only allow a specific group of users to connect to the service.

( Permalink: Setup the SSH server to use keys      Submitted by George Wed Feb 21, 2007 )

The future of packaging software in Linux
nice overview of packages for Linux.
"Linux is known for its diversity and freedom of choice. There are multiple window managers and desktop environments, many competing systems for handling sound, graphics and hardware autodetection. This diversity is the power and weakness of free software. Exactly the same problem concerns installing software in GNU/Linux. There are currently at least 5 popular ways of doing it:"
polishlinux.org The future of packaging software in Linux

( Permalink: The future of packaging software in Linux      Submitted by Noel Wed Feb 21, 2007 )

Run Your Own Webradio Station With Icecast2
This tutorial describes how to set up an audio streaming server with Icecast2. In order that Icecast2 can stream audio to listeners we install Ices2. Ices2 is a program that sends audio data to an Icecast2 server to broadcast to clients. Ices2 can either read audio data from disk (Ogg Vorbis files), or sample live audio from a sound card and encode it on the fly. In this article we will let Ices2 read .ogg files from the local hard disk.

( Permalink: Run Your Own Webradio Station With Icecast2      Submitted by Falko Timme Wed Feb 21, 2007 )

Colonizing a free new world with FreeCol
More games every day.
"Colonizing a new world is not a trivial task, even when you're doing it in a clone of a famous game. FreeCol is a free-as-in-free-software Java-based clone of Sid Meier's Colonization that's currently at the 0.5.3 release. But even this far short of a 1.0 release, it is coming along nicely enough to have earned it the designation of SourceForge.net Project of the Month. It is certainly playable, albeit with a few rough edges here and there and a few missing pieces."
Linux.com | Colonizing a free new world with FreeCol

( Permalink: Colonizing a free new world with FreeCol      Submitted by Noel Wed Feb 21, 2007 )

Linux on the PLAYSTATION 3
Take even greater advantage of the synergistic processing elements (SPEs) of the Sony PS3 in this installment of Programming high-performance applications on the Cell BE processor. Part 2 looks in depth at the Cell Broadband Engine processor's SPEs and how they work at the lowest level, while Part 1 showed how to install Linux on the PS3 and explored a short example program.

( Permalink: Linux on the PLAYSTATION 3      Submitted by IdaAshley Wed Feb 21, 2007 )

Looking at lsof
lsof is one of those tools I would not want to work as a sysadmin without.
"lsof is the Linux/Unix Ă¼ber-tool. I use it most for getting network connection related information from a system, but that's just the beginning for this amazing and little-known application. The tool is aptly called lsof because it "lists open files". And remember, in Unix just about everything (including a network socket) is a file."
dmiessler.com | study | lsof

( Permalink: Looking at lsof      Submitted by Noel Tue Feb 20, 2007 )

Setting up a serial console
This tutorial will show you how to set up a serial console on a Linux system, and connect to it via a null modem cable. This is quite useful if your Linux server is in a headless configuration (no keyboard or monitor), as it allows you to easily get a console on the system if there are any problems with it (especially network problems, when SSH is not available). In the end, the GRUB menu will appear over the serial link, as will the bootup messages (output when booting the system). I am using Debian Etch on the server and Ubuntu Edgy on my client, although this should work on any Linux distribution.

( Permalink: Setting up a serial console      Submitted by Falko Timme Tue Feb 20, 2007 )

CLI Magic: Linux troubleshooting tools
When something goes wrong with your Linux-based system, you can try to diagnose it yourself with the many troubleshooting tools bundled with the operating system. Knowing about these tools, and how to effectively use them, can help you overcome many of the common problems on your system. Here's a list of some of the weapons in your arsenal against Linux problems. story

( Permalink: CLI Magic: Linux troubleshooting tools      Submitted by Askar Ali Khan Tue Feb 20, 2007 )

Techniques for memory debugging
Memory errors are the bane of C and C++ programming: they're common, they can impact applications severely, and few development teams have a definite plan for their management. Exercise good memory-related coding practices by creating a comprehensive program to keep memory errors under control.

( Permalink: Techniques for memory debugging      Submitted by BlueVoodoo Tue Feb 20, 2007 )

When Linux Runs Out of Memory
Perhaps you rarely face it, but once you do, you surely know what's wrong: lack of free memory, or Out of Memory (OOM). The results are typical: you can no longer allocate more memory and the kernel kills a task (usually the current running one). Heavy swapping usually accompanies this situation, so both screen and disk activity reflect this. Read More

( Permalink: When Linux Runs Out of Memory      Submitted by Askar Ali Khan Mon Feb 19, 2007 )

Stackable Filesystems
The nullfs filesystem is a passthrough filesystem. When nullfs is mounted it - literally copies the filesystem transaction. If a file is deleted, nullfs simply transmits the information down to the lower filesystem. Conversely, if a file is created, it does the same and tacks on all of the data needed for the filesystem underneath. Why is that a good thing? Where did nullfs come from and why?. What else, if anything, is it good for? The series focuses on where nullfs comes from, how it can be leveraged, a code walk and a skeloten implementation (nearly a blind copy). link

( Permalink: Stackable Filesystems      Submitted by Jay Fink Mon Feb 19, 2007 )

How to Set up Network Bonding in Ubuntu 6.10
Network Bonding, otherwise known as port trunking allows you to combine multiple network ports into a single group, effectively aggregating the bandwidth of multiple interfaces into a single connection. For example, you can aggregate two gigabyte ports into a two-gigabyte trunk port. Bonding is used primarily to provide network load balancing and fault tolerance.

Story

( Permalink: How to Set up Network Bonding in Ubuntu 6.10      Submitted by Falko Timme Mon Feb 19, 2007 )

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Copyright 1999-2005 Noel Davis. Noel also runs web sites about sailing and kayaking.
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