Environment variables are very helpful to use in scripts and are sometimes necessary to be manually set when installing certain software. Start using them now to make Linux and the Linux command ...

So, how do you set an environment variable in Linux? Let me show you. First, log into your Linux desktop or server and open a terminal window. Let’s set MY_SITE to techrepublic.com.

Identify your server as the target display for X clients that are run on the remote host. You can do this in one of two ways: Set the DISPLAY environment variable. In the Bourne and Korn shells, you ...

If you ssh into the machine with x11 forwarding enabled (ssh -X), the DISPLAY environment variable gets set. This is normal and shouldn't be an issue but there appears to be an issue with the zimbra ...

The Linux command line is a powerful tool that gives you complete control over your system. But to unleash its full potential, you must understand the environment in which it operates. One crucial ...