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Network related tutorials

Fedora+Core

Virtual Users And Domains With Postfix, Courier And MySQL (Fedora Core 5)

Post date: September 18, 2006, 14:09 Category: Network Views: 4172 Comments
Tutorial quote: This document describes how to install a mail server based on Postfix that is based on virtual users and domains, i.e. users and domains that are in a MySQL database. I'll also demonstrate the installation and configuration of Courier (Courier-POP3, Courier-IMAP), so that Courier can authenticate against the same MySQL database Postfix uses.

The resulting Postfix server is capable of SMTP-AUTH and TLS and quota (quota is not built into Postfix by default, I'll show how to patch your Postfix appropriately). Passwords are stored in encrypted form in the database (most documents I found were dealing with plain text passwords which is a security risk). In addition to that, this tutorial covers the installation of Amavisd, SpamAssassin and ClamAV so that emails will be scanned for spam and viruses.
Debian

Setting up Subversion and websvn on Debian

Post date: September 18, 2006, 14:09 Category: Network Views: 5872 Comments
Tutorial quote: This howto will illustrate a way to install and configure Subversion and websvn on a Debian server with the following features:
- multiple repository Subversion
- access to the repositories via WebDAV (https, https) and ssh
- Linux system account access control and/or Apache level access control
- a secured websvn (php web application for easy code browsing)
- configured syntax coloring in websvn with gnu enscript
Debian

A couple of tricks with the secure shell

Post date: September 18, 2006, 13:09 Category: Network Views: 11067 Comments
Tutorial quote: One can do a lot more with ssh than use it for remote terminal session. Here we'll show how to copy files using ssh, use ssh as part of a pipe, vnc or samba forwarding via ssh and mounting filesystems using ssh (fuse + sshfs).
Debian

Avoiding slow package updates with package diffs

Post date: September 18, 2006, 13:09 Category: Network Views: 2781 Comments
Tutorial quote: If you're using the unstable or testing distribution of Debian GNU/Linux you will almost certainly have noticed that apt-get uses daily-diffs for its package updates. In many common situtations this is more bandwidth efficient, however it isn't always appropriate.

apt-get is a standard command which is used by many Debian users to manage package installation, and upgrades. (Although there are also other package managers such as synaptic, or aptitude.)
Unix+clones

Do everything right from the command line

Post date: September 7, 2006, 14:09 Category: Network Views: 3783 Comments
Tutorial quote: Discover three essential UNIX® utilities that deliver the entire Internet to your command line.
Unix+clones

Create Incremental Snapshot-style Backups With rSync And SSH

Post date: August 29, 2006, 16:08 Category: Network Views: 3023 Comments
Tutorial quote: As neither human nor computers are perfect (humans err / computers may fail) it is quite obvious that a good backup system will prevent from too much damage once the computer may go down. This could be either because the harddrive is failing or because of hackers or because you accidentally deleted something important.

In this tutorial I will show you how to automate backups automatically in an incremental snapshot-style way by using rSync.
Debian

Installing A Bind9 Master/Slave DNS System

Post date: August 29, 2006, 15:08 Category: Network Views: 5255 Comments
Tutorial quote: In this howto we will install 2 bind dns servers, one as the master and the other as a slave server. For security reasons we will chroot bind9 in its own jail.
Linux

Linux GPRS/EDGE via Bluetooth

Post date: August 29, 2006, 15:08 Category: Network Views: 3093 Comments
Tutorial quote: In this guide I will show you howto configure internet access through GPRS/EDGE, using bluetooth connection with your GSM phone.
Debian

ZABBIX monitoring System installation with screenshots

Post date: August 17, 2006, 16:08 Category: Network Views: 4006 Comments
Tutorial quote: ZABBIX is a 24×7 monitoring solution without high cost.

ZABBIX is software that monitors numerous parameters of a network and the health and integrity of servers. ZABBIX uses a flexible notification mechanism that allows users to configure e-mail based alerts for virtually any event. This allows a fast reaction to server problems. ZABBIX offers excellent reporting and data visualisation features based on the stored data. This makes ZABBIX ideal for capacity planning.
Debian

Installation of Tacacs+, Rancid, Cvsweb

Post date: August 16, 2006, 16:08 Category: Network Views: 11166 Comments
Tutorial quote: This article will describe you how to install a complete solution to manage users that have access to your network devices and also how to backup your network devices configurations with a cvs based storage in order to have diffs on it. You'll also be able to script commands you want to run on your routers/switches to have easier administration.
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