Search Results : iptables

Open Source Security Tools: A Practical Guide to Security Applications

 Free-Tools  No Responses »
Aug 012011
 

Few frontline system administrators can afford to spend all day worrying about security. But in this age of widespread virus infections, worms, and digital attacks, no one can afford to neglect network defenses.

Written with the harried IT manager in mind, Open Source Security Tools is a practical, hands-on introduction to open source security tools. Seasoned security expert Tony Howlett has reviewed the overwhelming assortment of these free and low-cost solutions to provide you with the “best of breed” for all major areas of information security.
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 Posted by at 11:34 am

Linux Quick Fix Notebook (PDF Guide)

 Free-Tools  No Responses »
Jul 292011
 

An indispensable ebook for every Linux administrator!

Instant access to precise, step-by-step solutions for every essential Linux administration task from basic configuration and troubleshooting to advanced security and optimization.

If you're responsible for delivering results with Linux, Linux® Quick Fix Notebook brings together all the step-by-step instructions, precise configuration commands, and real-world guidance you need. This distilled, focused, task-centered guide was written for sysadmins, netadmins, consultants, power users...everyone whose livelihood depends on making Linux work, and keeping it working.
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 Posted by at 3:51 pm

How to Set Up a High Performance Cluster (HPC) Using Debian Lenny and Kerrighed -UPDATED

 General, Network  7 Responses »
Mar 272010
 

** Guide Updated **

This guide is an evolution from this original guide. Unless the Kerrighed Team comes up with a substantially different version, this is the only update to this guide I will ever make as the steps are pretty much the same for all svn versions I have tested.
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 Posted by at 6:13 pm

How to Set Up a High Performance Cluster (HPC) Using Debian Lenny and Kerrighed

 Network, Other Linux  9 Responses »
Oct 082009
 

There are many guides found on the net describing Kerrighed and how to set it up using Ubuntu and others.  However, to the best of my knowledge there isn't a step by step guide specifically designed for Kerrighed using Debian Lenny.  So here it is.  You can set up your own Beowulf Cluster using Debian Lenny and Kerrighed in about 50 steps.  Many of the steps described here are taken straight from other guides because there are applicable here (see sources at the bottom.)  Many other steps are based on my own trial and error.
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 Posted by at 9:04 am

Create a LAN for Virtual Servers with KVM and VDE

 General  2 Responses »
Nov 012008
 

Scenario: You have one host [ hoster ] running KVM on UBUNTU with 1 network interface accessing to internet.

You want to have 2 debian etch virtual servers [ guest ] ( debian01 and debian02 ) running on your hoster with network access between them and hoster in a local LAN. In this case virtual servers will not be able to access to internet, but later I will explain how to do it.

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 Posted by at 12:02 am

Howto perform UDP tunneling through SSH connection

 General, Security  13 Responses »
Aug 212008
 

In this tutorial we will are going to provide simple procedure how to to perform UDP tunneling through an SSH connection.Say you need to forward UDP packets between two remote networks securely.

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 Posted by at 12:03 am
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