Learn how to configure X11 Forwarding over SSH for remote graphical application access. Follow our step-by-step guide to securely display X11 applications from a remote server on your local machine. #centlinux #linux #ssh
X11 Forwarding is a feature of the X Window System (X11) that allows a user to run graphical applications on a remote server while displaying the application’s graphical interface on a local machine. This is typically achieved over a secure SSH (Secure Shell) connection. Here’s an overview of X11 Forwarding:
X11 Forwarding is a powerful tool for remote system management and application access, providing a secure and convenient way to run graphical applications from a remote server.
Usually, Graphical mode is turned off in Linux servers due to Security and Resource optimization. In such environments running a GUI application is not a trivial task. However, we can use PuTTY and XMing to forward X11 display to a windows client over SSH protocol.
In this article, we will first install required packages on our Linux Server, then we will configure X11 forwarding over SSH on windows by using PuTTY and XMing.
One Microsoft Windows client and a Linux server.
Download and Install following two software on Windows client.
Connect to Linux machine and install necessary packages for X11 forwarding.
# yum install -y xauth
We will require a Linux GUI application to test X11 forwarding configurations. Therefore, we are installing xclock to test the configuration.
# yum install -y xclock
After installing Xming on Windows run xlaunch application.
Default configuration will work for us. Therefore, click on Next.
Click on Next.
Click on Next.
Click on Finish.
XMing application has been started and it is placed in System Tray of Windows.
Once installed, run PuTTY application.
Add a session of our Linux machine therein.
Besides other configuration, we are also required to configure X11 forwarding as follows:
Save and open the session.
login as: root Authenticating with public key "rsa-key-20190101" Last login: Tue Jan 1 21:16:23 2019 from 192.168.116.1 /usr/bin/xauth: file /root/.Xauthority does not exist # xclock
Xming will capture the Display open a window to run xclock application.
Configuring X11 Forwarding over SSH can greatly enhance your ability to access and use remote graphical applications securely. If you need expert assistance with setting up X11 Forwarding or any other SSH configurations, I am here to help. Check out my Fiverr gig for professional and reliable services: Linux Admin Expert
Let’s ensure your remote access setup is secure and efficient!
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