June 2010

How to Install VMware vSphere Client 4

by Ramesh Natarajan on June 30, 2010

If you have installed VMware ESXi server, you can manage the ESXi server using vSphere client. vSphere client works only on Windows host. If you don’t have vSphere client installed, download it from your local VMware Server home page. i.e go to http://{your-vmware-server-ip} to download vSphere client.

The direct url to download vSphere client from your installation of VMware server is: https://{your-vmware-server-ip}/client/VMware-viclient.exe
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Top 4 File Difference Tools on UNIX / Linux – Diff, Colordiff, Wdiff, Vimdiff

by SathiyaMoorthy on June 29, 2010

For finding difference between two versions of a file on Linux, you can use any one of the 4 tools explained in this article — diff, colordiff, wdiff, and vimdiff.

The screenshots provided for these tools shows the difference between the following two empfile1.txt and empfile2.txt.
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Keeping You in the Loop – Bash For, While, Until Loop Examples

by Sasikala on June 28, 2010

Looping statements are used to force a program to repeatedly execute a statement. The executed statement is called the loop body.

Loops execute until the value of a controlling expression is 0. The controlling expression may be any scalar data type.
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Geeky Wrap-up: Week of Jun 21, 2010

by Ramesh Natarajan on June 26, 2010

No words can explain the epic Wimbledon 1st round tennis match between John Isner and Nicolas Mahut. Final score: 6-4, 3-6, 6-7 (9-7), 7-6 (7-3), 70-68. It was simply brilliant. If you are a sports fan (doesn’t matter what kind of sport you love), this is a match that you’ll never forget in your life time. This has been called as “greatest match ever” by lot of people in the sports world.

When both Isner and Mahut was involved in this longest tennis match in history (11 Hours and 5 Minutes), this is what happened at the geek stuff this week.
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xhost+ : How to Fix “Cannot Open Display” Error While Launching GUI on Remote Server

by SathiyaMoorthy on June 25, 2010

Question: When I try to launch any GUI application on a remote server, I’m getting the “cannot open display:” error, as shown below. How do I fix this?

For example, while launching the gedit on remote server, I got the following message.

(gedit:3658): Gtk-WARNING **: cannot open display:

I get similar message when I try to open any GUI application. For example, launching Oracle Installer on remote server also gives the “cannot open display” error.

Answer: You can fix the “cannot open display” error by following the xhost procedure mentioned in this article.
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Forth Hello World Example: How To Write and Execute Forth Program on Linux OS

by SathiyaMoorthy on June 25, 2010

Question: I would like to understand the basics of how to write and execute Forth program on Linux OS. Can you explain it with a simple example?

Answer: If you’ve never heard about Forth program, read about it in Wikipedia first. In this article, let us review very quickly how to write a basic Hello World Forth program, and run forth program on Linux or Unix OS.
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