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Installing tracegraph in a 64 bit Linux Machine (Linux Mint or Ubuntu)

Since recent days, the 64 bit operating systems were deployed in many computers. Of late, we would like to use the older softwares that were compatible only to 32 bit OS. One such software is tracegraph that will be running comfortably on a 32 bit machine, but is lacks in running in 64 bit [...]

How to install Dropbox in Linux (Linux Mint or Fedora or Ubuntu)

Installing Dropbox in windows is really a cupcake process and is very easy to install. But installing in Linux (because of various distros) takes a minor tweaking and here is the process and screenshot.

Step 1: Go to http://www.dropbox.com and click download Dropbox, You can select any of the option like

ubuntu or fedora [...]

Fedora 18 released!!!!l

Fedora 18 (Spherical Cow) released two days back. It comes with a new installer to eaily customize during the installation and its compact too. However there is a limitation to select the packages we want.

How to write a Makefile

Assume there are more number of source files to be compiled using a set of commands everytime is a tedious process. So there is a facility to compile everything at a stretch is by the use of a Makefile.

The makefile can be named as either “Makefile” or “makefile”.

Let me define four files [...]

Process ID and Parent Process ID in Linux

When referring to process IDs in a C or C++ program, always use the pid_t typedef, which is defined in .A program can obtain the process ID of the process it’s running in with the getpid() system call, and it can obtain the process ID of its parent process with the getppid() [...]

Printing the Uptime and Idle Time of processor (Linux)

/proc/uptime file contains only two values in seconds, one is the Uptime of the processor (the time upto which the processor was on) and another is the idle time of all the processors (cores).

So idle is always higher than the uptime in case of multicore processors.

The following C program shows the [...]

Printing Linux Environment using C Program

Linux provides each running program with an environment. The environment is a collection of variable/value pairs. Both environment variable names and their values are character strings. By convention, environment variable names are spelled in all capital letters. You’re probably familiar with several common environment variables already.

For instance:

USER contains your username.

HOME [...]

Setting Path in Linux

Setting a path information in windows is always been easier, since there is a GUI facility “Environmental Variables”, but I Linux setting a path is always been tricky and it should be done through CLI (Command Line Interface). Here are the following ways to do:

Method 1:

For each user (Your login id) of [...]

Basic Linux Commands for Beginners

Using a Linux machine using a shell Prompt is always a challenge these days. Many of us feel it is tougher to use Linux because of its Conventional Shell prompt, but the GUIs are so sophisticated when compared with Other Operating systems like windows, etc.

But still as a developer, one has to [...]

Linux Basics for NS2

At many places, I happen to see researchers and students wanted to use Windows for NS2 rather than Linux. The reason may be, Linux is tough

It occupies more space and more memory in my Computer

Linux uses lot of commands and i am not aware of it

Tough to handle [...]