The Linux Juggernaut

1)Give me 15 commands which you use frequently

Depends on the environment you work. Some examples are

mkdir — For creating folders( use -p option to create multiple folders at a time)
ls –List folders/files( check what ls -1 do)

top — To monitor system activities

lsof –To check whats happening on the server and which process open which file.

netstat -tcp –Gives you complete picture about network connection details.

vnstat –Gives you Network band … Continue Reading

Debugging a shell script is very essential to check your script for any errors before moving in to production. In this post we will see different debugging tips and tricks useful for running your scripts without a flaw.

Before debugging a script we have to learn how to write a shell script professionally in order to minimize the errors.

 When executing a shell script use sh command with below options to debug a shell script … Continue Reading

There are many shell inbuilt variables which are used for administrating and writing shell scripts. In this post we will see important inbuilt variables and their importance. Please add any other built-ins which are useful for administration and for shell scripting.

Note: in order get present values of these variables use echo command to get them. For example if you want to see present shell then you can give echo $SHELL to get the … Continue Reading

How to write a shell script professionally and why to write it?

Most of the time when we work and write shell script we write on the go not considering others who want to understand it. Suppose you write a shell script and did not given any info what that shell script do, all your efforts will be in vain if a new system admin is unable to understand it. We have to make a … Continue Reading

Here are this week updates..

Ubuntu 11.10 Alpha 3 released: Ubuntu is the most popular Desktop Linux operating system at present. Download Ubuntu 11.10 Alpha 3 here. There are many flavors/variants in Ubuntu as shown below:

Edubuntu: A complete Ubuntu based OS for primary and secondary education users.

Gobuntu: The main aim of this Ubuntu based OS is to provide only free software in it. It is abundant as of now

Kubutnu: This … Continue Reading

We thought of writing this post a long time back, today time has come. Recently we bought Reliance Net-connect device for browsing INTERNET on the go. As I am taking long leaves in this month. Here are the steps how we configured reliance net-connect on Ubuntu 11.04 which will be same for all the Ubuntu versions(10.10, 10.04, 9.10, 9.04)

Lets start with the configuration. I have HUAWEI MODLE NUMBER HUAWEI EC1262

Step1: Install the wvdail … Continue Reading