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Ubuntu

Simple Chat Server with Netcat

Post date: December 1, 2007, 17:12 Category: Network Views: 5078 Comments
Tutorial quote: Ever use MSN instant messenger or Google Talk and feel like you are being watched? Well I have a little secret for you; you are being watched. Not that there is anything to hide, but privacy is always a good thing.
By using netcat we can setup a secure chat server, and it only takes about 5 minutes.
Unix+clones

Bypass any Firewall or Throttling ISP with SSH

Post date: October 22, 2007, 06:10 Category: Network Views: 5312 Comments
Tutorial quote: On some networks it’s impossible to use BitTorrent. For example, if you’re at work, school, or connected to Comcast or a public hotspot. But there’s an easy solution to overcome this problem. By using a secure connection (SSH), you can bypass almost every firewall or traffic shaping application.
Debian

Creating .deb-Packages With Checkinstall

Post date: April 12, 2005, 17:04 Category: Miscellaneous Views: 3136 Comments
Tutorial quote: Checkinstall is a nice tool to create simple .deb-packages that you can use in your local network (e.g. if you have to install the same piece of software on multiple computers running Debian). It lets you compile and install software from the sources like before, but with the difference that you end up with a simple Debian package which also means that you can easily uninstall the software you just compiled by running dpkg -r!

I will demonstrate the use of checkinstall by compiling and installing the anti-virus software ClamAV on a Debian system.

This howto is meant as a practical guide; it does not cover the theoretical backgrounds. They are treated in a lot of other documents in the web.
Linux

Kernel parameters for enhance security

Post date: October 28, 2008, 05:10 Category: Security Views: 3945 Comments
Tutorial quote: The following list shows tunable kernel parameters you can use to secure your Linux server against attacks.

For each tunable kernel parameters you need to be add it to the /etc/sysctl.conf configuration file to make the change permanent after reboots
Debian

Creating Advanced MySQL-Based Virtual Hosts On Lighttpd (Debian Etch)

Post date: August 19, 2008, 10:08 Category: Software Views: 3927 Comments
Tutorial quote: This guide explains how you can create advanced virtual hosts on a lighttpd web server on Debian Etch that are stored in a MySQL database. The method described here does not use the lighttpd mod_mysql_vhost module, and unlike mod_mysql_vhost (which allows you to store only the hostname and document root of a vhost in a database), this method allows to store individual configuration directives for each vhost in the MySQL database.
Fedora

Chrooting Apache2 With mod_chroot On Fedora 12

Post date: April 6, 2010, 12:04 Category: Installing Views: 3237 Comments
Tutorial quote: This guide explains how to set up mod_chroot with Apache2 on a Fedora 12 system. With mod_chroot, you can run Apache2 in a secure chroot environment and make your server less vulnerable to break-in attempts that try to exploit vulnerabilities in Apache2 or your installed web applications.
Ubuntu

Setting Up ProFTPd + TLS On Ubuntu 11.04 (Natty Narwhal)

Post date: September 27, 2011, 07:09 Category: Security Views: 4532 Comments
Tutorial quote: FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to set up ProFTPd with TLS on an Ubuntu 11.04 server.
Ubuntu

Setting Up ProFTPd + TLS On Ubuntu 8.10 (Intrepid Ibex)

Post date: November 18, 2008, 12:11 Category: Security Views: 4358 Comments
Tutorial quote: FTP is a very insecure protocol because all passwords and all data are transferred in clear text. By using TLS, the whole communication can be encrypted, thus making FTP much more secure. This article explains how to set up ProFTPd with TLS on an Ubuntu 8.10 server.
Debian

Zimbra Collaboration Suite (ZCS) Open Source Edition v5.0 On Debian Etch

Post date: February 12, 2008, 10:02 Category: Installing Views: 4051 Comments
Tutorial quote: This document describes how to set up the Zimbra Collaboration Suite (ZCS) Open Source Edition v5.0 on Debian Etch. The resulting system provides a full featured collaboration-suite with many features that I cannot list all here - please have a look at the feature list. It also comes with a nice (themeable) AJAX web interface for administration and user access.
Linux

Linux Security HOWTO

Post date: April 12, 2005, 17:04 Category: Security Views: 3558 Comments
Tutorial quote: This document is a general overview of security issues that face the administrator of Linux systems. It covers general security philosophy and a number of specific examples of how to better secure your Linux system from intruders. Also included are pointers to security-related material and programs.
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