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Debian

Virtual Machine Replication & Failover with VMWare Server & Debian Etch (4.0)

Post date: August 17, 2007, 22:08 Category: Miscellaneous Views: 3528 Comments
Tutorial quote: This tutorial provides step-by-step instructions about how to create a highly available VMware Server environment on a Debian Etch system. With this tutorial, you will be able to create Virtual Machines that will be available on multiple systems with failover/failback capabilities.
Debian

Building Kernel Modules With Module-Assistant On Debian Lenny

Post date: January 26, 2010, 12:01 Category: Miscellaneous Views: 4140 Comments
Tutorial quote: module-assistant is a tool for building Debian kernel modules from source, without having to rebuild the whole kernel. It fetches module-source packages that have been prepared for the Debian distribution via apt and produces .deb packages. This tutorial shows how to use module-assistant in command-line mode and in interactive mode.
CentOS

Settings up a SFTP Only Chroot Jail

Post date: December 13, 2007, 22:12 Category: Security Views: 8697 Comments
Tutorial quote: This tutorial describes how to set up a chroot jail (SFTP only) to allow your users to ONLY use sftp (no ssh/bash/…), and keep them stuck inside their own home directory. This tutorial is known to work on many other distributions as well as CentOS.
Debian

Installing Debian

Post date: September 30, 2005, 16:09 Category: Installing Views: 3475 Comments
Tutorial quote: The experience of installing Debian can vary widely depending on your hardware and requirements. There simply isn't room here to provide a comprehensive installation guide. Instead, you'll find an outline of the major points of the installation process, and plenty of information about where to go and what to do when things don't work as expected.

While Debian has a great reputation for day-to-day use, it has a poor (and not entirely unmerited) reputation for ease of installation. However, with the Debian 3.1 release, code-named Sarge, the developers have taken major steps to improve the installation experience, so don't be afraid.

Perhaps the best advice I can give concerning Debian installation is to not expect to always get it right the first time. If you're ready to start over and experiment, you'll soon become happy with the installation process.
Linux

Building an LDAP Server on Linux, Part 2

Post date: April 15, 2005, 17:04 Category: Network Views: 4334 Comments
Tutorial quote: Welcome back! In Part 1 we learned basic concepts of LDAP and the uses for an LDAP server. Today we'll install and configure an OpenLDAP directory.

A quick note before we get started: this is LDAP 101. We are not installing any kind of encryption or strong authentication; we'll get to that in part 3. In my experience, learning LDAP in small chunks works best. (Then again, perhaps I'm just a bit dim.) So sit back, strap in, and keep your fingers away from the training wheels.

"The wise sysadmin will consult the documentation for their distro; it's quite possible that OpenLDAP will be packaged and ready to go in a pleasing manner (or ready to go in an odd manner--you never know). I'm all for easy--if your particular distribution provides an easy way, use it. RPMs can also be obtained from rpmfind.net, which thoughtfully lists all the required additional packages.

"Debian of course goes its own merry way. apt-get does the job just fine; the tricky bit is finding out the package names. Debian users want ldap-utils; slapd, which is OpenLDAP; and libdb4.1, to get the Sleepycat DB. These three components are enough to get you up and running. apt-get will walk you through a minimal configuration and will automatically start up slapd, the LDAP server daemon.
Linux

Automatically Scan Uploaded Files For Viruses With php-clamavlib

Post date: January 14, 2007, 21:01 Category: Security Views: 5335 Comments
Tutorial quote: This guide describes how you can automatically scan files uploaded by users through a web form on your server using PHP and ClamAV. That way you can make sure that your upload form will not be abused to distribute malware. To glue PHP and ClamAV, we install the package php5-clamavlib/php4-clamavlib which is rather undocumented at this time. That package is available for Debian Etch and Sid and also for Ubuntu Dapper Drake and Edgy Eft.
Debian

Setup an IPv6 Masquerade Box Under Debian Through IPv4

Post date: April 16, 2005, 00:04 Category: Network Views: 3407 Comments
Tutorial quote: Configuring IPv6 (over IPv4) under Debian, quite frankly, couldn't be easier. I had a somewhat difficult time in setting it up myself, but that was only because the guides I'd seen on the WWW were designed for operating systems such as FreeBSD. Thus, I have decided to write this document to promote IPv6, and to relieve the frustration of those looking for a no-fuss way to quickly configure IPv6 under Debian.
Debian

How To Install VMware Server On Debian Sarge

Post date: November 1, 2006, 18:11 Category: Installing Views: 3712 Comments
Tutorial quote: This tutorial provides step-by-step instructions on how to install the free VMware Server (version 1.0.1) on a Debian Sarge system. With VMware Server you can create and run guest operating systems (virtual machines) such as Linux, Windows, FreeBSD, etc. under a host operating system. In this article we use Debian Sarge (3.1) as the host operating system.
Debian

Configuring Dynamic DNS & DHCP on Debian Stable

Post date: February 3, 2006, 01:02 Category: Network Views: 4359 Comments
Tutorial quote: For the average home computer user there is no need to install a complex package such as the Internet Software Consortium's BIND DNS or DHCP server, since there are far simpler lower resource tools to use, for example dnsmasq. For those who you wish to learn how to use ISC's BIND and DHCP, for example as a learning exercise, this is how I got it all to work in Debian Sarge, the current stable version of Debian GNU/Linux.

This short article was prompted by my question on the Debian-Administration forum site, where I was able to get some answers to the issues I faced and I did promise to post a solution if I got one.
Debian

Installing Debian onto USB flash media with everything encrypted

Post date: September 28, 2005, 16:09 Category: Security Views: 8109 Comments
Tutorial quote: This is a simple procedure for installing Debian GNU/Linux onto a USB key flash media. It includes several configuration changes but tries to stay as close to a default debian install as possible.

This is useful for administrators that need to carry sensitive information or people concerned about their privacy.
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