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Debian

Building the ultimate Linux-based music server

Post date: July 24, 2007, 05:07 Category: Miscellaneous Views: 9265 Comments
Tutorial quote: This article describes how to build your own silent, fast, eco-friendly Linux-based PC for use in a digital music listening system. The PC is based on a high-end Via mini-ITX board, passively cooled case with heatpipe technology, Debian Linux, and a little creative embedded elbow grease.
Unix+clones

Using and Customizing Templates in OpenOffice.org

Post date: October 24, 2006, 17:10 Category: Software Views: 3490 Comments
Tutorial quote: Templates make life easier when you use them for letters, documents, brochures, etc. but they really make life easier when you use them for labels. This article is about how to use the OpenOffice.org templates, in particular the WorldLabel templates, to print the labels you need. It shows how to download them, install them, use them as they are, and how to customize them with graphics and other features. It also shows how to use the OpenOffice.org label wizard; you can use the label wizard each time, or save the template you create in the same template repository with your WorldLabel templates.
Debian

Host Based Intrusion Detection - Samhain

Post date: January 19, 2011, 12:01 Category: Security Views: 4918 Comments
Tutorial quote: This article describes in some detail how to install Samhain, the host based intrusion detection system. I am not going to ramble on about what host based intrusion detection is or why to use it, as there are plenty of articles already covering those subjects. This article is just to show you how to get Samhain up and running in a client / server configuration with a couple bells and whistles thrown in for fun.
SuSe

The Perfect Setup - SUSE 9.2 (server)

Post date: April 12, 2005, 16:04 Category: Installing Views: 4750 Comments
Tutorial quote: This is a detailed description about the steps to be taken to setup a SUSE 9.2 based server that offers all services needed by ISPs and hosters (web server (SSL-capable), mail server (with SMTP-AUTH and TLS!), DNS server, FTP server, MySQL server, POP3/IMAP, Quota, Firewall, etc.). In addition to that I will show how to use Debian's package manager apt on an rpm-based system because it takes care of package dependencies automagically which can save a lot of trouble.
Unix+clones

Keyboard shortcuts: Faster than the speed of mouse

Post date: November 26, 2005, 00:11 Category: Miscellaneous Views: 3189 Comments
Tutorial quote: My computer set-up is suboptimal. My desk is too high for me to type on comfortably. My workaround? I type with my keyboard on my lap. That puts the keyboard at just the right height and is kinder to my wrists. My mouse, however, has to sit on my desk. Using my mouse involves moving my hand a foot in each direction.

While this action might conceivably bulk up my arm muscles, I would rather not do my arm exercises while at my computer. Using the mouse is time consuming, distracting, and, most importantly, less ergonomic. While your computer may be better situated than mine, chances are you, too, would work faster if you did not have to use your mouse.

To minimize my mouse use, I learned many of the keyboard bindings for various applications. Many applications use similar bindings, making them even easier to remember.

I have compiled a list of keyboard bindings here for some of the more prevalent applications. Feel free to print them out and keep them next to your computer. It may take you a little time to remember them, but once you do, you will wonder how you ever did without.
Debian

Filesystems (ext3, reiser, xfs, jfs) comparison on Debian Etch

Post date: April 23, 2006, 08:04 Category: Benchmarks Views: 6451 Comments
Tutorial quote: There are a lot of Linux filesystems comparisons available but most of them are anecdotal, based on artificial tasks or completed under older kernels. This benchmark essay is based on 11 real-world tasks appropriate for a file server with older generation hardware (Pentium II/III, EIDE hard-drive).
Linux

Removing A User

Post date: April 8, 2006, 00:04 Category: System Views: 4516 Comments
Tutorial quote: Employee turnover in most organizations runs high. So unless you run a small shop with a stable user base, you need to learn how to clean up after an employee leaves. Too many so-called system administrators do not understand the stakes involved when they manage users. Disgruntled former employees can often cause significant trouble for a company by gaining access to the network.

To remove a user, you need to learn to manage all of his or her files, mailboxes, mail aliases, print jobs, recurring –(automatic) personal processes such as the backing up of data or remote syncing of directories, and other references to the user. It is a good idea at first to disable the account in /etc/passwd, after which you can search for the user's files and other references. Once all traces of the user have been cleaned up, you can remove the user completely—but if you remove the entry from /etc/passwd while these other references exist, you have a harder time referring to them .

When you remove a user, it's a good idea to follow a pre-determined course of action so you don't forget any important steps; it may even be a good idea to make a checklist so that you have a routine. Following, you will find several items requiring attention.
Linux

Xen: How to Convert An Image-Based Guest To An LVM-Based Guest

Post date: April 19, 2009, 10:04 Category: Miscellaneous Views: 3703 Comments
Tutorial quote: This short article explains how you can move/convert a Xen guest that uses disk images to LVM volumes. Virtual machines that use disk images are very slow and heavy on disk IO, therefore it is often better to use LVM. Also, LVM-based guests are easier to back up (using LVM snapshots).
CentOS

Virtualization With KVM On A CentOS 6.0 Server

Post date: August 28, 2011, 17:08 Category: Installing Views: 5419 Comments
Tutorial quote: This guide explains how you can install and use KVM for creating and running virtual machines on a CentOS 6.0 server. I will show how to create image-based virtual machines and also virtual machines that use a logical volume (LVM). KVM is short for Kernel-based Virtual Machine and makes use of hardware virtualization, i.e., you need a CPU that supports hardware virtualization, e.g. Intel VT or AMD-V.
CentOS

Virtualization With KVM On A CentOS 5.2 Server

Post date: April 12, 2009, 11:04 Category: Installing Views: 4649 Comments
Tutorial quote: This guide explains how you can install and use KVM for creating and running virtual machines on a CentOS 5.2 server. I will show how to create image-based virtual machines and also virtual machines that use a logical volume (LVM). KVM is short for Kernel-based Virtual Machine and makes use of hardware virtualization, i.e., you need a CPU that supports hardware virtualization, e.g. Intel VT or AMD-V.
Web-based applications and online marketing solutions - LumoLink