How To

How to Enable X11 Forwarding on Amazon Linux

X11 Forwarding can be configured on Amazon Linux instance created from AMI version 2017.09.01 with following steps. These may work with recent version of Amazon Machine Images (AMIs).

Step 1: Verify or install  required X11 packages

List installed X11 packages with following command.

$ sudo yum list installed '*X11*'

Installed Packages
libX11.x86_64
libX11-common.x86_64
xorg-x11-font-utils.x86_64
xorg-x11-fonts-Type1.noarch

It would be required to install package xorg-x11-xauth.x86_64 which can be installed with following command.

$ sudo yum install xorg-x11-xauth.x86_64 -y

Once installed exit and reconnect SSH session. You may notice following information upon reconnecting.

/usr/bin/xauth: creating new authority file /home/ec2-user/.Xauthority

Display can now be forwarded to an X11 Client from Amazon Linux.

Additional step are for configuring PuTTY with Xming client on Windows.

Step 2: Install Xming Client for Windows

Install Xming program for Windows that can be downloaded from Xming Site or searching on the internet.

Once installed, make sure server is started after the installation that can normally be seen in Taskbar notification area as Xming Server:0.0

Xming display settings are configured as following.

xming

Step 3: Configure PuTTY to enable X11 forwarding

PuTTY can be utilized to connect to Amazon Linux from Windows environment. PuTTY’s SSH session can be configured to enable X11 forwarding as shown in the following image.

putty-x11-forwarding

Now once connected to the Amazon Linux instance utilizing SSH protocol through PuTTY, display would be forwarded to the local Windows machine.

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