Astaro is a very popular Linux-based "all-in-one" security appliance offering spam filtering, malware protection, firewall, VPN, etc. The WiKID Strong Authentication Server is a dual-source two-factor authentication system. PINs are encrypted on a software token and sent to the WiKID server. If the PIN is correct, the encryption valid and the account active, a one-time password is generated, encrypted and returned to the user's token where it is decrypted and presented for use with a network-based services. This document will show how to add WiKID two-factor authentication to the Astaro Security Gateway version 7 using Radius.

How To Change Your Login Screen In Fedora 8

This is a simple howto on changing your log on screen. This will also work with other distros. This is a very easy way to add more eye candy to your Linux system.

This is a detailed description about how to set up a Fedora 9 server that offers all services needed by ISPs and hosters: Apache web server (SSL-capable) with PHP5 and Ruby, Postfix mail server with SMTP-AUTH and TLS, BIND DNS server, Proftpd FTP server, MySQL server, Dovecot POP3/IMAP, Quota, Firewall, etc. This tutorial is written for the 32-bit version of Fedora 9, but should apply to the 64-bit version with very little modifications as well.

This tutorial deals only with how to add an extra encrypted physical volume to a volume group pool containing other encrypted physical volumes. This is typical scenario if, at first, you have set up your encryption at a physical partition level (/dev/sdaX where X is the a number of your partition), then you setup your LVM on top of the encrypted partition. If at some later time you want to add another partition in your volume group, you will also want to have it encrypted in order to maintain the same level of security.

This document describes how to reconfigure the default language and the keyboard layout on various distributions so that they suit your location. I made this howto for our VMware images where the keyboard layout is always set to German and a few users have problems to configure the language and keyboard layout on these images.

Administrators can use SafeSquid to granularly distribute bandwidth across the network, depending on user, group, website being visited, mime or file type being accessed, and time / date range. This is achieved by defining the desired situation, by creating a profile under the Profiles section, and then allocating a specific bandwidth (QoS) to that profile.

This document describes how to set up and use Sabayon on Fedora 8. Taken from the Sabayon page: "Sabayon is a system administration tool to manage GNOME desktop settings. Sabayon provides a sane way to edit GConf defaults and GConf mandatory keys: the same way you edit your desktop. Sabayon launches profiles in an Xnest window. Any changes you make in the Xnest window are saved back to the profile file, which can then be applied to user's accounts."

How To Add Users To Linux OS From A Text file

This tutorial is about a bash script to add, delete and verify the users either from a text file; it can also add, delete and modify the users manually. This script can be used to add , delete and verify the users to the Linux OS by fetching the user's information from any text file and this script can also add, delete or verify the users manually, I have put both of these functions in one script file. The text file can be specified by the administrator.

This tutorial shows how you can enable Compiz Fusion on an Ubuntu 8.04 LTS (Hardy Heron) desktop (the system must have a 3D-capable graphics card - I'm using an NVIDIA GeForce FX 5200 here). With Compiz Fusion you can use beautiful 3D effects like wobbly windows or a desktop cube on your desktop.

The Perfect SpamSnake - Ubuntu 8.04 LTS

This tutorial shows how to set up an Ubuntu Hardy Heron (8.04 LTS) based server as a spamfilter in Gateway mode. In the end, you will have a SpamSnake Gateway which will relay clean emails to your MTA. You will also be able to view your incoming queue, train your SpamSnake and carry out a few more advanced operations via MailWatch.