How to install CPAN package and configure it in Linux?

CPAN(Comprehensive Perl Archive Network) is an online portal( and a repository of PERL modules written by community. The beauty of this online resource is we can download and install these modules in to your machine with CPAN command. This tutorial show you how to install and configure CPAN in Linux operating systems like Redhat, Fedora,(…)

Find Network card(Wired/wireless) details in Linux/Unix

Today we will see how to find different properties of LAN or Network or NIC card in Linux. As a Linux user we should know about some network properties like network card name, speed's, driver details etc. We already covered some stuff related to hardware finding tools in our ongoing "Know your hardware in Linux"(…)

Find Sound card details in Linux/Unix

Sound card is a hardware device which will give a machine the capability to play audio files and audio in video file for us. In this post we will see how to get sound card hardware and sound card driver details. We already covered following stuff in this "Know your hardware in Linux" series. Get(…)

Find Optical devices(CD/DVD ROM’s) details in Linux/Unix

Some times it is required to get CD/DVD-ROM details. We have number of commands like dmesg, df, to check different properties like the CD/DVD-ROM device name, mount point etc. But if you want to get complete details like CD/DVD-ROM manufacture details, write and read speed details, Kernel driver which can communicate with this hardware we(…)

May 2013 updates from

Here are last month’s update for the people who miss them. The Linux Juggernaut updates ( Install Linux(Redhat/CentOS/Ubuntu) OS from a USB stick/disk Set VLC as default video and audio player in Ubuntu What is dmesg command and how to use it in Linux/Unix? Find hardware info with lshw, hardinfo, sysinfo Linux/Unix commands Find PCI hardware details(…)

Need volunteers and contributors like you for

Update1: Thanks for your overwhilming responce. We are flooded with many enthustic people who want to share their valuable information to the world. Thanks for all your support to We are closing this invitation now. We are looking for people who can write and want to share their knowledge with the world and be(…)

Find RAM details(size, make, speed, slots etc) in Linux/Unix

This is our sixth post on getting hardware information. In this post we will see how to get RAM details such as size, speed, make, maximum capacity allowed RAM etc. We already covered some hardware related stuff in this series so far as given below. Get BIOS, Firmware, Hardware And Drivers Details in Linux/Unix  (…)

Understanding free command in Linux/Unix

free is a command which can give us valuable information on available RAM in Linux machine. But many new Linux users and admins misinterpret its output. In this post we will walk through its output format and show you actual free RAM. Free command examples Example 1: Display RAM details in Linux machine free Output:(…)

Linux watch command, To monitor a command

watch is an excellent command which can run scripts or commands at a regular intervals or repeatedly. This is very much useful when we want to see a command in continuously running phase similar to top command. This is very much useful when troubleshooting an issue and requires to monitor a command output continuously. If(…)

Find USB device details in Linux/Unix using lsusb command

Today we will see how to list USB devices in Linux and their properties such as speed, BUS, class, type details etc. This is part of our on going hardware detection series. We already covered following stuff. Get BIOS, Firmware, Hardware And Drivers Details in Linux/Unix What is dmesg command and how to use it(…)