High-Availability Storage With GlusterFS 3.0.x On Debian Squeeze – Automatic File Replication Across Two Storage Servers

This tutorial shows how to set up a high-availability storage with two storage servers (Debian Squeeze) that use GlusterFS. Each storage server will be a mirror of the other storage server, and files will be replicated automatically across both storage servers. The client system (Debian Squeeze as well) will be able to access the storage as if it was a local filesystem. GlusterFS is a clustered file-system capable of scaling to several peta-bytes. It aggregates various storage bricks over Infiniband RDMA or TCP/IP interconnect into one large parallel network file system. Storage bricks can be made of any commodity hardware such as x86_64 servers with SATA-II RAID and Infiniband HBA.

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Posted by on April 20, 2013 in Debian, Linux


Multiserver Setup With Dedicated Web, Email, DNS & MySQL Database Servers On Debian Squeeze With ISPConfig 3

This tutorial describes the installation of an ISPConfig 3 multiserver setup with dedicated web, email, database and two DNS servers all managed trough a single ISPConfig 3 control panel. The setup described below uses five servers and can be extended easily to to a higher number of servers by just adding more servers. E.g. if you want to have two mailservers, do the setup steps from chapter 2 on both of these servers. If you want to set up more web servers, then install ISPConfig on all other web servers in expert mode except of the first one.

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Posted by on March 19, 2013 in Debian, Linux


How To Run Your Own DNS Servers (Primary And Secondary) With ISPConfig 3 (Debian Squeeze)

This tutorial shows how you can run your own DNS servers (primary and secondary) with ISPConfig 3. To do this, you need two servers with two different public IP addresses and with ISPConfig 3 installed. I will use Debian Squeeze for both DNS servers here to demonstrate the base system setup process and ISPConfig 3 installation, but once you have ISPConfig 3 installed on your servers, the configuration inside ISPConfig 3 is identical, no matter what distribution you use.

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Posted by on March 19, 2013 in Debian, Linux


Virtual Multiserver Environment With Dedicated Web & MySQL, Email & DNS Servers On Debian Squeeze With ISPConfig 3

Version 1.0
Author: Michel Käser <info [at] rackster [dot] ch>
Last edited 05/04/2012

This tutorial describes how you can set up a single dedicated server as a virtual multiserver environment using OpenVZ with dedicated Web & MySQL, Email and DNS servers on Debian Squeeze. Also, you will learn how to maintain all these servers. As an addition, you will learn how to install some very useful packages on all of them, how to protect them and how to monitor them.

At the end you will have a fully functional virtual multiserver environment, ready for shared hosting.


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Posted by on March 11, 2013 in Debian, Linux, Uncategorized


Statistics Monitoring (collectd)

monitor is a web application that allows to view rrd datacollections that have been created by collectd (more info:

1- Monitor allow you to create group of server by projects.

2- Monitor allow to have different time zone for each server. Good, if you have distributed servers around the world.

3- Ready to talk with Mysql or SQLite, see the config file: modules/

4- Compatible with local authentication, LDAD and CASS, check the file: modules/


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Posted by on February 27, 2013 in Debian, Linux, Uncategorized


How to Make Ubuntu Linux Look Like Mac OS X

To accomplish this, we’re going to use Macbuntu, an open-source program designed to transform the Linux theme into a Mac OS X environment. Although Macbuntu is dedicated to Ubuntu Linux OS, it could be used in other OS based on Debian/GTK.

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Posted by on October 23, 2012 in Linux, Ubuntu


Congratulation Vannath !!

2012 Scholarship Recipients

Congratulations to D.K. Kim Cambodia Foundation 2012 Scholarship Recipients.


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Posted by on October 16, 2012 in Uncategorized

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