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Debian

Avoiding slow package updates with package diffs

Post date: September 18, 2006, 13:09 Category: Network Views: 3822 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.)
Debian

Interested in securely sharing a secret?

Post date: September 17, 2006, 08:09 Category: Security Views: 3614 Comments
Tutorial quote: I needed a method for sharing a secret that required multiple agents to coordinate before the secret could be recovered. This is useful for encrypting keys used in critical backups. I decided to use an implementation of Shamir's Secret Splitting Scheme (The S in RSA).

Currently I'm using a program called 'ssss' to do secret sharing.
Debian

Debian etch beta 3 graphical mode installation with screenshots

Post date: September 11, 2006, 16:09 Category: Installing Views: 3414 Comments
Tutorial quote: Debian etch beta3 installation using graphical interface this is really nice installation walkthrough with each step screenshots.This is new feature in debian upcoming release version called etch.This article contains nearly 50 images of this installation process.
Debian

Installing A Bind9 Master/Slave DNS System

Post date: August 29, 2006, 15:08 Category: Network Views: 6250 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.
Debian

ZABBIX monitoring System installation with screenshots

Post date: August 17, 2006, 16:08 Category: Network Views: 4953 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

System encryption on Debian Etch

Post date: August 16, 2006, 16:08 Category: Security Views: 5806 Comments
Tutorial quote: In this article I will describe how to setup a nearly complete encrypted system using Debian Etch and cryptsetup with LUKS. The goal is: encrypt all partitions except /boot. The user should enter a password at boot time or provide a keyfile on an USB device to decrypt the root partition. Keyfiles for additional partitions are located on the root, so the user does not need to enter a password for every partition.
Debian

Installation of Tacacs+, Rancid, Cvsweb

Post date: August 16, 2006, 16:08 Category: Network Views: 12393 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.
Debian

SMS Daemon

Post date: August 12, 2006, 18:08 Category: Hardware Views: 7356 Comments
Tutorial quote: So you've got a webserver and you'd like to be able to send/receive SMS? You've seen adverts that read "Send FOO to to get ..." and would like something similar? With the gnokii package and a supported phone you should be able to do all that and more.
Debian

Recovering from file system corruption using TestDisk

Post date: August 12, 2006, 18:08 Category: System Views: 3590 Comments
Tutorial quote: We've all been there. We press the wrong key, we do some silly mistake, and suddenly, one or more of our file systems refuse to work. Whenever this happens, the first thing we hear is "You should have made a backup", the dreaded sentence that we'll never listen to. Let's face it, we're stupid, and we don't backup.
Debian

Cross-platform cross-environment RPC server creation

Post date: August 12, 2006, 18:08 Category: Network Views: 3878 Comments
Tutorial quote: Using XML-RPC it is possible to write software that can be accessed remotely by multiple means, from Ruby and Python to Perl and Ajax. Using a couple of simple libraries it is possible to setup a simple server in only a few minutes, with no need to worry about argument parsing, anything complex.
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