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Debian

Run Your Own Webradio Station With Icecast2 And Ices2

Post date: February 18, 2007, 20:02 Category: Multimedia Views: 5196 Comments
Tutorial quote: 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.
Unix+clones

Using the GNU Privacy Guard

Post date: April 16, 2005, 00:04 Category: Software Views: 2754 Comments
Tutorial quote: Tonight we will investigate the gnupg utility (version 1.07). I will be running it on an OpenBSD 3.2 system but, as usual, any unix-like system should not display any significant differences. I will assume that GPG is already installed.

The GNU Privacy Guard can be regarded as a complete replacement for the popular PGP (Pretty Good Privacy) software. The difference between the two is that GnuPG does not have any licensing restrictions and it also runs on more platforms. They are both open source products. Although owned by a commercial entity, a freeware version of PGP is available (although only for Windows and Macintosh).

In a nutshell, what all this software does is allow two parties to communicate securely. This implies the following:
- the message has arrived at its destination unaltered
- the message can only be read by its intended recipient
- the authenticity of the sender has been verified by the recipient
BSD

Firewalling with OpenBSD's PF packet filter

Post date: November 27, 2006, 02:11 Category: Network Views: 8241 Comments
Tutorial quote: The tutorial is about firewalls and related functions, with examples from real life with the OpenBSD project's PF (Packet Filter). PF offers firewalling, NAT, traffic control and bandwidth management in a single, flexible and sysadmin friendly system. Targeted at the seasoned or aspiring network administrator, this half day tutorial manuscript will give you some ideas about how to control your network traffic the way you want - keeping some things outside your network, directing traffic to specified hosts or services, and of course, giving spammers a hard time.

Previously hosted at http:/www.bgnett.no/~peter/pf/, but moved to its present location due to some odd technical difficulties at bgnett.no.
Ubuntu

Disk ARchive (Backup and Restore) using dar and kdar(dar Frontend)

Post date: January 12, 2007, 18:01 Category: System Views: 4064 Comments
Tutorial quote: Dar is a shell command that makes backup of a directory tree and files. Its features include splitting archives over several files, CDs, ZIPs, or floppies, compression, full or differential backups, strong encryption, proper saving and restoration of hard links and extended attributes, remote backup using pipes and external command (such as ssh), and rearrangement of the “slices” of an existing archive. It can now run commands between slices, encrypt archives, and quickly retrieve individual files from differential and full backups. Dar also has external GUI like kdar for Linux,thanks to the well documented API.
Debian

Installing ionCube

Post date: August 11, 2011, 21:08 Category: Benchmarks Views: 3893 Comments
Tutorial quote: ionCube protects software written using the PHP programming language from being viewed, changed, and run on unlicensed computers.
Gentoo

Proftpd with mysql authentication, software qouta, traffic shaper and SSL

Post date: May 26, 2005, 17:05 Category: Network Views: 4191 Comments
Tutorial quote: A short, but detailed howto about installing ProFTPD with all the bells and whistles on Gentoo.
Debian

Creating A Fully Encrypted Para-Virtualised Xen Guest System Using Debian Lenny

Post date: May 3, 2009, 10:05 Category: Miscellaneous Views: 3848 Comments
Tutorial quote: This document explains how to set up a fully encrypted para-virtualized XEN instance. In this howto, the host system is running Debian Etch, while the guest system to be installed will be using Debian Lenny. If you are concerned about your privacy, you might want to consider using hard disk encryption to protect your valuable private data from spying eyes. Usually, the easiest way would be to use your distribution's installer to set up a fully encrypted system; I think most recent Linux distributions support this. However, when you are using XEN to provide virtualization, there are situations where you might not want to encrypt your whole computer with all guest instances, but instead only encrypt one OS instance. This howto will deal with exactly this situation. It assumes that the XEN host system is already up and running.
SuSe

User-Mode Linux

Post date: December 8, 2005, 13:12 Category: Software Views: 4186 Comments
Tutorial quote: One of the largest efforts involved with software engineering is testing the software to make sure that it works as designed. Testing can require several different types of system configurations and could require multiple instances of Linux. One way to create this type of environment is to use a virtual machine.

User-Mode Linux (UML) is a fully functional Linux kernel. It runs its own scheduler and virtual memory (VM) system, relying on the host kernel for hardware support. It includes virtual block, network, and serial devices to provide an environment that is almost as full-featured as a hardware-based machine. UML cannot destroy the host machine. Furthermore, the UML block devices, also called disks, can be files on the native Linux file system, so you cannot affect the native block devices. This is very useful when you're testing and debugging block operations.
Ubuntu

installing koha on ubuntu 9.04

Post date: March 17, 2010, 19:03 Category: Software Views: 4229 Comments
Tutorial quote: A tutorial on how to install KOHA, an open source library management software on ubuntu.
OSX

Mac OS X Server Administrator's Guide

Post date: June 8, 2005, 05:06 Category: System Views: 6795 Comments
Tutorial quote: Includes information on how Mac OS X Server software works
and strategies for using it with your network
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