Are you having issues accessing the X display on your device? You're probably wondering how to solve this problem quickly and easily. This guide will provide you with a step-by-step solution to help you check your settings and fix the issue.
Set the DISPLAY environment variable
The first step in resolving X display issues is to set the DISPLAY environment variable as shown below:
Linux:
$ export DISPLAY=:0
MacOS:
$ export DISPLAY=localhost:0.0
Grant access to your X display
It's important to grant access to your X display so that other applications can access it. This can be done by allowing connections from your local host by running the following command:
$ xhost si:localuser:username
Where username is the account name of the member of your localhost.
Check security settings
The last step in resolving X display issues is to check your system's security settings. Depending on your operating system, there are several ways to do this.
Linux
To check security settings on Linux, open up your terminal and enter the following command:
$ ssh -X localhost
MacOS
To check security settings on MacOS, open the Terminal app and enter the following command:
$ ssh -X localhost
Windows
To check security settings on Windows, open the Command Prompt and enter the following command:
c:\> ssh -X localhost
FAQ
Q: What is the X display?
A: The X display is a graphical display server for a network connection used to access the GUI. It is most commonly used on Unix-like operating systems such as Linux and MacOS.
Q: How do I check my security settings?
A: Depending on your operating system, there are different commands you can use to check your security settings. For Linux or MacOS, use the ssh -X localhost command. For Windows, use the c:\> ssh -X localhost command.
Q: What should I do if I'm having issues accessing the X display?
A: The first step is to set the DISPLAY environment variable, followed by granting access to your X display and checking your security settings. Follow the guide provided in this article for a step-by-step solution.