Author Archive
Tuesday, September 29th, 2009
Clonezilla is an open source disk imaging, cloning and backup software. It supports ext2, ext3, ext4, reiserfs, xfs, jfs of GNU/Linux, FAT, NTFS of MS Windows, and HFS+ of Mac OS. You can use it to clone single or multiple machines. It is more feature-rich than commercial Norton Ghost. In this video tutorial, I will [...]
Posted in Backup, Centos, Debian, DNS, Fedora, Mail, Mysql, Red Hat, Web server | 33 Comments »
Monday, September 28th, 2009
Often times, we are faced with issues pertaining to DNS name resolutions. In this series of articles, I will explore different tools available in Linux that can help in DNS name resolutions. First we will look at the utility called host
Posted in Centos, Debian, DNS, Fedora, Network, Red Hat, Ubuntu | 4 Comments »
Friday, September 25th, 2009
At times, we need to install Perl modules that are not found in the official repository of a distribution. In that case, we have to revert to using cpan. CPAN stands for Comprehensive Perl Archive Network. It is an archive of over 16,000 modules of software written in Perl, as well as documentation for it. [...]
Posted in Centos, Debian, Fedora, Red Hat, Ubuntu | 3 Comments »
Friday, September 25th, 2009
Postfix is one of the most widely deployed mail servers. In this tutorial, I will first show you how to configure Postfix for local system accounts and then I will describe how to configure Dovecot for POP and IMAP servers so remote users can retrieve their emails using email clients like Mozilla Thunderbird, Evolution or [...]
Posted in Centos, Debian, Fedora, Mail, Red Hat, Ubuntu | 3 Comments »
Thursday, September 24th, 2009
In this tutorial, we will see how to get information about audio or video file, convert from one audio or video format to another, capture audio or video from a device, capture screen and extracting audio or video from a multimedia file using ffmpeg.
Posted in Centos, Debian, Fedora, Red Hat, Ubuntu | 9 Comments »
Tuesday, September 22nd, 2009
This video tutorial will show how to install and configure BIND9 DNS server on Red Hat 5, Centos 5 , Fedora or one of their derivatives. Checkout the text version of this tutorial. The tutorial was specifically written for Red Hat, Centos, Fedora and derivatives but it can be used for any Linux distributions.
Posted in Centos, Debian, DNS, Fedora, Red Hat, Ubuntu | 4 Comments »
Tuesday, September 22nd, 2009
In my earlier tutorial, I showed you how to do manual backup with rsnapshot. You should have completely followed that tutorial before continuing on with this one. In this how-to I will describe how to automate rsnapshot backups
Posted in Backup, Centos, Debian, Fedora, Red Hat, Ubuntu | No Comments »
Thursday, September 17th, 2009
In my earleir article Resetting Linux root password on Centos/Red Hat, I showed you how to reset forgotten root password on Red hat and Centos. That method can be used for Ubuntu too but
Posted in Ubuntu | 1 Comment »
Thursday, September 17th, 2009
Sometimes, we need to configure our mail server so that it only sends emails and not receive them which avoids opening port 25 for smtp. In this tutorial, I will show a very simple way to set up Postfix so it send emails out to external domains only and not receive any emails from outside.
Posted in Centos, Debian, Mail, Red Hat, Ubuntu | 4 Comments »
Tuesday, September 15th, 2009
This video tutorial show you how to install Debian 5.0 aka Lenny from netinst CD from downloading ISO image to final x window installation.Debian is a rock solid distribution whose philosophy is true free software. Lenny is the latest stable version available for . First download the netinst CD from http://cdimage.debian.org/debian-cd/5.0.3/i386/iso-cd/debian-503-i386-netinst.iso and the burn it to a CD.
Posted in Debian | 4 Comments »