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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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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by Ramesh Natarajan on June 25, 2010
Question: How do I change root password on my VMware ESXi server?
Answer: Go to the server console and do the following to set root password for your VMware ESX.
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by Ramesh Natarajan on June 25, 2010
Question: How do I perform network configuration on my new VMware ESXi installation?
Answer: To set the ip-address, subnet mask and default gateway of your new VMware ESXi installation, follow the steps mentioned below.
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by Sasikala on June 21, 2010
Bash conditional statements perform different computations or actions depending on whether a programmer-specified boolean condition evaluates to true or false. These statements are used to execute different parts of your shell program depending on whether certain conditions are true. The ability to branch makes shell scripts powerful.
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by Sasikala on June 18, 2010
Question: I would like to know how to install, uninstall, verify deb packages on Debian. Can you explain me with an example?
Answer: Use dpkg to install and remove a deb package as explained below.
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by Sasikala on June 18, 2010
Question: I would like to know how to install, uninstall, verify sparc packages on Sun Solaris. Can you explain me with an example?
Answer: Use pkgadd to install a sparc package. Use pkgrm to remove a sparc package as explained below.
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by Sasikala on June 18, 2010
Question: I would like to know how to install, uninstall, verify depot packages on HP Unix. Can you explain me with an example?
Answer: Use swinstall to install a depot package. Use swremove to remove a depot package as explained below.
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My name is Ramesh Natarajan. I will be posting instruction guides, how-to, troubleshooting tips and tricks on Linux, database, hardware, security and web. My focus is to write articles that will either teach you or help you resolve a problem. Read more about