Xorg-x11-apps
Marine Farinha
the 'xorg-x11-apps' package is not available in RHUI repos. How can I get this installed since I requires this package to be installed to support a 3rd party app.Running Red Hat Enterprise Linux release 8.6 (Ootpa)
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@Rao, Sandeep Thanks for your question. I also faced the same issue. You will need to enable the CodeReady repos to install this package. Please run the following commands to enable the repos and install the package:
In this post, I discuss enabling X11 forwarding from Red Hat Enterprise Linux (RHEL), Amazon Linux, SUSE Linux, Ubuntu servers running on Amazon EC2. This is helpful for system and database administrators, and application teams that want to perform software installations on Amazon EC2 using GUI method. This blog provides detailed steps around SSH and x11 tools, various network and operating system (OS) level settings, and best practices to achieve the X11 forwarding on Amazon EC2 when installing databases like Oracle using GUI.
There are several techniques to connect Amazon EC2 instances to manage OS level configurations. Typically, you use SSH clients (such as PuTTY or SSH client) to establish the connection from the Windows OS-based bastion or jump servers to connect with Amazon EC2 instances running linux-based OS. Most commonly, database administrators use a common Database Management, bastion host, or jump servers to connect database servers. They do this instead of directly using their laptops connecting to the database servers. They can install all the needed tools in one server to perform database administrative or support activities. During the application installation or configuration, you might need to install software such as an Oracle database or a third-party database using GUI methods. This blog talks about steps that must be done in order to forward the X11 screen to your highly secure Windows OS-based bastion hosts. You can consider using NICE DCV as an alternative option for running GUI-based applications. Please refer to the prior link for more details and steps to enable NICE DCV.
Note: The xorg-x11-apps package has been provided in the CodeReady Linux Builder Repository for RHEL8. So, I skipped installing this package, which has xclock and I used only xterm to test the X11 forwarding.
Log in to your Windows bastion host. Then, open a fresh PuTTY session, and use a private key or password-based authentication per your organization setup. Then, test the xclock or xterm command to see x11 forwarding in action.
Now that you set up PuTTY, xming, and configured the x11 settings, you can click on load button and then Open button. This opens up a new SSH terminal with x11 forwarding enabled. Now, I move on to the testing X11 forwarding.
You should see the sample output and xclock or xterm window opened similar to the following image. This means your x11 forwarding setup working as expected, and you can start using GUI-based application installation or configuration by running the installer or configuration tools.
You should see the sample output and xclock or xterm window opened similar to the following image. This means your x11 forwarding setup is working as expected even after switched to different user. You can start using GUI-based application such as running the installer or configuration tools.
In this blog, I demonstrated how to configure Amazon EC2 instances running on various linux-based operating systems to forward X11 to the Windows OS-based bastion host. This is helpful to any application installation that requires GUI-based installation methods. This is also helpful to any bastion hosts that provide highly secure and low latency environments to perform SSH related operations including GUI-based installations as this does not require any additional network configuration other than opening the port 22 for standard SSH authentication. Please try this tutorial for yourself, and leave any comments following!
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