This means the data transmitted during the remote session is vulnerable to interception. This section assumed that the remote desktop was accessed from a Linux or UNIX system the same steps apply to most other operating systems.Ĭonnecting to a remote VNC server using the steps in this section results in an insecure, unencrypted connection between the client and server. As the group names tend to change from one RHEL release to another, it is helpful to know that the list of groups that are either installed or available to be installed can be obtained using the dnf utility as follows: At the time of writing, there are two groups for installing the desktop environment on RHEL 9: “Server with GUI” and “Workstation”. The key to installing groups of packages to enable a specific feature is knowing the group’s name. The easiest way to install the packages necessary to run the GNOME desktop is to perform a group install. If, for example, the system was initially configured as a server, it is unlikely that the desktop packages were installed. It is, of course, only possible to access the desktop environment if the desktop itself has been installed. Buy the full book now in eBook or Print format. You are reading a sample chapter from Red Hat Enterprise Linux 9 Essentials. If, on the other hand, you plan to access your desktop remotely over any public network, you must use the secure method of access to avoid your system and data being compromised. Assuming you are accessing one system from another within a secure internal network, using the insecure access method is generally safe. In this chapter, we will cover both secure and insecure remote desktop access methods. Secure and Insecure Remote Desktop Access This chapter will cover the key aspects of configuring and using remote desktops within RHEL 9. The RHEL 9 remote desktop functionality is based on a technology known as Virtual Network Computing (VNC). When the RHEL 9 system runs on a cloud-based server, it also allows access to the desktop environment as an alternative to performing administrative tasks using the command-line prompt or Cockpit web console. It is also helpful when a coworker or IT support technician needs access to your desktop to resolve a problem. This is useful if you need to work on your computer when you are away from your desk, such as while traveling. For example, it enables you or another person to view and interact with your RHEL 9 desktop environment from another computer system on the same network or over the internet. Remote desktop access can be helpful in many scenarios. There are even apps available for Android and iOS that will allow you to access your RHEL 9 desktop from just about anywhere that a data signal is available. This can be achieved regardless of whether that system runs Linux, Windows, or macOS. Although not enabled by default, displaying and accessing a RHEL 9 desktop from a system anywhere else on a network or the internet is relatively straightforward. RHEL 9 can be configured to provide remote access to the graphical desktop environment over a network or internet connection.
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