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Tutorial: Configure Netconsole Kernel Module for Network Logging

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Linux can be configured to log dmesg output to another system via network using syslog. It is done using kernel level networking stuff ia UDP port 514. There is module called netconsole which logs kernel printk messages over udp allowing debugging of problem where disk logging fails and serial consoles are impractical. Most modern distro has this netconsole as a built-in module. netconsole initializes immediately after NIC cards. read more...
permapage | score:9993 | -nixcraft, July 3, 2008

Virtual Hosting with Proftpd and MySQL on Ubuntu 8.04 LTS

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This document describes how to install a Proftpd server that uses virtual users from a MySQL database instead of real system users. This is much more performant and allows to have thousands of ftp users on a single machine. In addition to that I will show the use of quota with this setup. read more...
permapage | score:9991 | -falko, July 3, 2008

Useful XML Schemas

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Learn XML schemas that provide solutions for all sorts of problems, from the basics of Web services to data description. Also, cover database-like solutions that involve contacts and invoices. The schemas in this article were chosen for their usefulness and utility, plus their impact on the XML community in how information is shared and exchanged using the XML format. read more...
permapage | score:9984 | -jmalasko, July 3, 2008

Java Benchmarking: Pitfalls and Statistics

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Program performance is always a concern, even in this era of high-performance hardware. This article, the first in a two-part series, guides you around the many pitfalls associated with benchmarking Java code.

Program performance is always a concern, even in this era of high-performance hardware. This article, the second in a two-part series, covers the statistics of benchmarking and offers a framework you can use to benchmark Java code ranging from self-contained microbenchmarks to code that calls a full application. read more...
mail this link | permapage | score:9984 | -BlueVoodoo, July 2, 2008

Tutorial: Create a Linux Web Server with BIND and Apache

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This tutorial explains how you can run your own web server on CentOS 5 with the help of Apache and the BIND name server.
After installing the necessary packages you are ready to start configuring named.conf. You may check and see that there is no named.conf in your /etc/ directory in Centos 5. No worries here you can see a sample named.conf file. Now create the file /etc/named.conf and copy/paste the content of the sample config file - just make sure you replace website.com with your own domain name.
read more...
mail this link | permapage | score:9982 | -falko, July 2, 2008

Linux Video Players

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A quick look at eleven video players for Linux...
SMPlayer is a fully featured video player built using the Qt 4 libraries. It basically plays anything, including DVDs and ISO images, but it skipped the menus when reading DVD ISOs. It's complete and it offers plenty configuration options, including for subtitles and the interface itself, allowing to choose the icon set and the style used.
read more...
permapage | score:9979 | -Ray, July 1, 2008

Sysadmin Course Review

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A review of the O'Reilly School of Technology System Administration Certificate Course...
I completed the Linux/Unix System Administration Certificate from The O'Reilly School of Technology several months ago. I am finally getting some free time to review the course. I must say I am really glad I took the course, and that even with over a decade of Linux experience, I did actually learn a few things. The course is actually setup for the beginner to intermediate users. This doesn't mean that power users of Linux won't learn anything...
read more...
mail this link | permapage | score:9979 | -Ray, July 2, 2008

Port Device Control Code from Windows to Linux

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Ease the pain of migrating device control applications from Microsoft Windows to Linux. In this article, we analyze how device control works in both operating systems, examining everything from architecture to system calls and focusing on the differences. The authors outline these differences and give you a C/C++ migration sample. read more...
permapage | score:9974 | -Ida Momtaheni, June 30, 2008

Build the ultimate boot disc

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Be prepared for hard drive boot failure...
You can customize an Ubuntu 8.04 Hardy Heron live CD to make a good bootable utilities disk by adding and removing packages from the standard installation. Specifically, you can remove most of the Ubuntu applications and install antivirus, a partition recover tool, a few disk utilities, and a rootkit checker, among other things. I'm going to create the live CD within an Ubuntu installation, but the directions should work for most Debian-based operating systems, and can be easily ported elsewhere.
read more...
mail this link | permapage | score:9972 | -Ray, July 1, 2008

Linux financial tools

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A quick look at ten Linux financial applications...
Many people don’t realize the wealth of applications that are available for Linux. I am asked all the time about X and/or Y application on Windows and whether there’s an equivalent on Linux. Most of the time the answer is yes.

The arena of finance is no exception. Plenty of outstanding financial applications are available for the Linux operating system. From personal finance to business finance, there is an application for nearly every need. Let’s take a look at the top Linux financial applications.
read more...
mail this link | permapage | score:9972 | -Ray, July 1, 2008

openSUSE 11.0 review

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What's new in openSUSE 11...
Besides a few extra desktops and the kernel development packages, my install consisted of the default package selection. This includes Firefox 3.0b5, OpenOffice.org 2.4.0, GIMP 2.4.5, Inkscape, Pidgin, Liferea, Ekiga, GnuCash, Evolution, Tasque, and KOffice.

openSUSE also includes the lastest Compiz Fusion. AIGLX, which provides GL-accelerated effects on desktops, should be enabled by default for those with supported hardware. That unfortunately leaves Nvidia users out until they install the proprietary graphic drivers. However, there are graphical configuration tools for enabling and setting options such as the choice of profile. You can choose profiles ranging from lightweight with few effects to full with lots of effects.
read more...
mail this link | permapage | score:9968 | -Ray, June 24, 2008

Ubuntu 8.04 LAMP Server Setup

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In around 15 minutes, the time it takes to install Ubuntu Server Edition, you can have a LAMP (Linux,Apache, MySQL and PHP) server up and ready to go. This feature, exclusive to Ubuntu Server Edition, is available at the time of installation. read more...
permapage | score:9967 | -gg234, June 23, 2008

Tutorial: Install VMware Server on Ubuntu 8.04

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This tutorial provides step-by-step instructions on how to install VMware Server (version 1.0.6) on an Ubuntu 8.04 desktop system. With VMware Server you can create and run guest operating systems ("virtual machines") such as Linux, Windows, FreeBSD, etc. under a host operating system. This has the benefit that you can run multiple operating systems on the same hardware which saves a lot of money, and you can move virtual machines from one VMware Server to the next one (or to a system that has the VMware Player which is also free). read more...
mail this link | permapage | score:9965 | -falko, July 1, 2008

Change the Language, Keyboard Layout in Linux

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This document describes how to reconfigure the default language and the keyboard layout on various distributions so that they suit your location. I made this howto for our VMware images where the keyboard layout is always set to German and a few users have problems to configure the language and keyboard layout on these images. read more...
permapage | score:9962 | -falko, May 12, 2008

Tutorial: Replace Windows with OpenSUSE 11

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This tutorial shows how you can set up an OpenSUSE 11 desktop that is a full-fledged replacement for a Windows desktop, i.e. that has all the software that people need to do the things they do on their Windows desktops. The advantages are clear: you get a secure system without DRM restrictions that works even on old hardware, and the best thing is: all software comes free of charge. read more...
permapage | score:9962 | -falko, June 29, 2008

Play CodeRally game to learn Java and Eclipse

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CodeRally combines competition with collaboration in networked races of up to 100 human-controlled cars, all Java-coding their way around the same crowded course. The competition and competitiveness actually makes users end up coding better and faster. read more...
permapage | score:9958 | -jmalasko, June 29, 2008
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