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Linux

Optimizing Linux filesystems

Post date: April 12, 2005, 07:04 Category: Benchmarks Views: 3476 Comments
Tutorial quote: Last time we introduced a few common Linux filesystems and examined their features. If you've already installed Linux, your partitions are already set up and configured with particular filesystems, but you may decide you want to modify this configuration. What's the best way to begin?
Openfiler

Installing and Configuring Openfiler with DRBD and Heartbeat

Post date: October 26, 2008, 13:10 Category: Installing Views: 11378 Comments
Tutorial quote: Openfiler is a high performance operating system tailored for use as a SAN/NAS appliance. This configuration will enable two Openfiler appliances to work in an active/passive high availability scenario.
Debian

XAMPP - All in one web server Installation and Configuration in Debian

Post date: February 5, 2007, 19:02 Category: Software Views: 3587 Comments
Tutorial quote: XAMPP is an easy to install Apache distribution containing MySQL, PHP and Perl. XAMPP is really very easy to install and to use - just download, extract and start.
OpenSUSE

Setup and Configuration of Opensource Media Center - Elisa

Post date: September 28, 2008, 09:09 Category: Multimedia Views: 3714 Comments
Tutorial quote: Elisa is an open source cross-platform media center connecting the Internet to an all-in-one media player.
Linux

Racoon Roadwarrior Configuration

Post date: November 19, 2006, 20:11 Category: Software Views: 3810 Comments
Tutorial quote: Racoon Roadwarrior is a client that uses unknown, dynamically assigned IP addresses to connect to a VPN gateway (in this case also firewall). This is one of the most interesting and today most needed scenarios in business environment. This tutorial shows how to configure Racoon Roadwarrior.
Debian

MRTG Configuration in Debian Linux

Post date: April 4, 2006, 20:04 Category: Installing Views: 3485 Comments
Tutorial quote: The Multi Router Traffic Grapher (MRTG) is a tool to monitor the traffic load on network links. MRTG generates HTML pages containing PNG images which provide a LIVE visual representation of this traffic.
Linux

Check Your Mysql Server Performance with MySQLTuner

Post date: November 30, 2008, 20:11 Category: Software Views: 2730 Comments
Tutorial quote: MySQLTuner is a script written in Perl that will assist you with your MySQL configuration and make recommendations for increased performance and stability. Within seconds, it will display statistics about your MySQL installation and the areas where it can be improved.
Unix+clones

High Performance MySQL

Post date: December 1, 2006, 04:12 Category: Optimizing Views: 5790 Comments
Tutorial quote: The operating system your MySQL server runs on and the server's configuration can be just as important to your server's performance as the indexes, schema, or queries themselves. In this chapter, we will help you understand how to tune your server to improve performance, as opposed to tuning schema or queries. We'll be looking at changes to your hardware, operating system, and MySQL configuration to see what effects they have on overall performance.

We assume that you've already made efforts to boost the performance of your queries. If you haven't done that already, stop now and read Chapter 4 and Chapter 5 to get a handle on optimizing your queries and your application code. Only then should you worry about server settings. Hardware is often not the solution to MySQL performance problems. Poorly optimized queries can slow you down far more than not having the latest CPU or SCSI disk. To put this in perspective, one of the MySQL AB trainers even says that changing hardware might, in the best cases, give you a 10-fold performance increase. But tuning queries (and schemas) can often give you 1000-fold performance increase. Seriously.

Some topics covered in this chapter are platform-specific. The authors' knowledge of the various platforms on which MySQL runs is limited. In many cases, you'll need to consult your local documentation for various operating system tools and specifics.

We start with an overview of the factors that limit performance and then look more in depth at RAID, hardware, and operating system issues. The chapter finishes with a discussion of techniques you can use to locate, identify, and fix bottlenecks.
Unix+clones

Security Testing your Apache Configuration with Nikto

Post date: August 29, 2006, 16:08 Category: Security Views: 3530 Comments
Tutorial quote: By now you've got the perfect setup for your new Ubuntu 6.0.6 (Dapper Drake) box. You may have even followed the excellent Intrusion Detection and Prevention with BASE and Snort tutorial. And as an added precaution you installed DenyHosts to prevent hack attempts via ssh. But now that you've got your new LAMP server on the internet, how can you tell that your new web server is secure? You test it, of course!
Debian

Majordomo Configuration

Post date: April 10, 2006, 18:04 Category: Network Views: 2267 Comments
Tutorial quote: Majordomo is a program which automates the management of Internet mailing lists. Commands are sent to Majordomo via electronic mail to handle all aspects of list maintenance. Once a list is set up, virtually all operations can be performed remotely by email, requiring no intervention upon the postmaster of the list site.
Web-based applications and online marketing solutions - LumoLink