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IPCop

Setup your own VPN with IPCop and OpenVPN

Post date: March 30, 2006, 17:03 Category: Network Views: 10308 Comments
Tutorial quote: I ’m a huge fan of IPCop. It’s a great firewall distro that makes administration a snap using a slick web interface. My goal was to use IPCop and an easy-to-use VPN client to allow access to my LAN while away from home.

I ended up going with the ZERINA OpenVPN addon for IPCop and the OpenVPN GUI for Windows.

If you’ve ever wanted full, secure, encrypted access to your LAN from any remote location, here is your guide.

Just follow these ten easy steps…
OpenSUSE

Krusader - Advanced Twinpanel File Manager in openSUSE

Post date: October 10, 2008, 22:10 Category: Desktop Views: 3703 Comments
Tutorial quote: Krusader is an advanced twin panel (commander style) file manager for KDE and other desktops in the *nix world, similar to Midnight or Total Commander. It provides all the file management features you could possibly want with features like extensive archive handling, mounted filesystem support, FTP, advanced search module, an internal viewer/editor, directory synchronisation, file content comparisons, powerful batch renaming and much much more
Unix+clones

How to scan your Linux-Distro for Root Kits

Post date: May 19, 2006, 18:05 Category: Security Views: 3563 Comments
Tutorial quote: Do you suspect that you have a compromised system ?
Check now for root kits that the intruder may have installed !!!

So... What in the hell is a root kit ???
A root kit is a collection of programs that intruders often install after they have compromised the root account of a system.
These programs will help the intruders clean up their tracks, as well as provide access back into the system.
Root kits will sometimes leave processes running so that the intruder can come back easily and without the system administrator's knowledge !

Solution....
Scripts like chkrootkit will do the job for you automatically.
Ubuntu

Tweaking Hidden Ubuntu Settings With Ubuntu Tweak

Post date: January 29, 2008, 12:01 Category: Desktop Views: 4334 Comments
Tutorial quote: Ubuntu Tweak is a tool that lets you change hidden Ubuntu settings, for example: hide or change the splash screen, show or hide the Computer, Home, Trash, and Network icons, change Metacity, Nautilus, power management, and security settings, etc. Currently Ubuntu Tweak is available only for the Ubuntu GNOME desktop, i.e., it will not work on Kubuntu or Xubuntu. This short guide shows how to install and use Ubuntu Tweak.
Linux

How to Create and Configure robot.txt for Apache web server

Post date: February 17, 2009, 08:02 Category: Security Views: 3814 Comments
Tutorial quote: "Robots.txt" is a regular text file that through its name, has special meaning to the majority of "honorable" robots on the web. By defining a few rules in this text file, you can instruct robots to not crawl and index certain files, directories within your site, or at all. For example, you may not want Google to crawl the /images directory of your site, as it's both meaningless to you and a waste of your site's bandwidth. "Robots.txt" lets you tell Google just that.
CentOS

Virtual Users And Domains With Postfix, MailScanner, Mailwatch & MySQL On CentOS 5.1

Post date: March 9, 2008, 13:03 Category: Miscellaneous Views: 5497 Comments
Tutorial quote: This document describes how to set up a Postfix mail server that is based on virtual users and domains on CentOS 5.1 so that it works with MailScanner and Mailwatch. The resulting system provides a web interface (Mailwatch) where you can manage quarantined emails, train SpamAssassin, edit the white- and blacklist, view configuration files and the detailed MySQL database status.
Linux

How To Set Up Linux As A Dial-In Server

Post date: January 21, 2007, 20:01 Category: Network Views: 4256 Comments
Tutorial quote: This document describes how to attach modems to a Linux box and allow it to receive calls to connect users to the network. It is like being your own ISP (Internet Service Provider). If your Linux box is connected to the Internet, then the users will also be connected to the Internet. Your Linux box becomes a router. This is also known as RAS (Remote Access Services) in the Microsoft world. In the Linux world it is called PPP (Point to Point Protocol).
Debian

Configuring Dynamic DNS & DHCP on Debian Stable

Post date: February 3, 2006, 01:02 Category: Network Views: 3949 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

Virtual Users And Domains With Postfix, Courier And MySQL (+ SMTP-AUTH, Quota, SpamAssassin, ClamAV)

Post date: October 9, 2005, 18:10 Category: Network Views: 4146 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.
Unix+clones

Manage Apache Download Speed And Traffic Limits With mod_cband

Post date: June 2, 2006, 06:06 Category: Network Views: 3920 Comments
Tutorial quote: In this tutorial I will describe how to install and configure mod_cband on an Apache2 web server. mod_cband is an Apache 2 module which provides bandwidth quota and throttling. It solves the problem of limiting users' and virtualhosts' bandwidth usage. The current version can set virtualhosts' and users' bandwidth quotas, maximal download speed, requests-per-second speed and the maximal number of simultanous IP connections.
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