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26/06/2019

How to Connect to a CentOS 7 Server via Remote Desktop Connection using xRDP



Prerequisites

  • Although not absolutely required, we recommend acting as a non-root sudo user when proceeding to make any major changes to your system.
  • A machine running CentOS 7 with a minimum of 2GB RAM.
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Step 1 – Install xRDP on CentOS 7

First, update your package index:
$ sudo yum install -y epel-release
$ sudo yum install -y xrdp
$ sudo systemctl enable xrdp
$ sudo systemctl start xrdp
 
If you’re using FirewallD, then open port 3389/tcp for RDP:

Step 2 – Install Your Preferred Desktop Environment

Now we can install the desktop environment we’ll be using. In this guide we’ll try out XFCE, MATE, and GNOME. If you’re looking for a lightweight and resource friendly solution, install XFCE.
NOTE: If you can’t connect via Remote Desktop Connection after you’ve installed the desktop environment, then open port 3389/tcp using the firewall-cmd command mentioned above.

1. Install XFCE Desktop Environment

XFCE is one of the most lightweight desktop environments. It’s fast, low on system resources, while still visually appealing. Additionally, it has a very active community, so there are many customization options available. To install XFCE, run the following commands: Next, create the .Xclients file in the directory of the user you’re connecting with: Now you can connect to the server using Remote Desktop Connection. Here is what XFCE looks like: XFCE Uninstalling XFCE To uninstall XFCE from your CentOS 7 machine, run the following commands:

2. Install MATE Desktop Environment

To install MATE, run the following commands: Next, create the .Xclients file in the directory of the user you’re connecting with: Now you can connect to the server using Remote Desktop Connection. Here is what MATE looks like: MATE Uninstalling MATE To uninstall MATE from your CentOS 7 machine, run the following commands:

3. Install GNOME Desktop Evironment

We’ll now install GNOME 3. To do this, we’ll just have to install the GNOME Desktop package group, which will install all the packages required for the GUI installation. This may take a while. There were ~1000 packages installed on a minimal CentOS 7 installation. Start the GUI Although we installed the GNOME Desktop package group, the GUI will not be loaded by default on reboot. We can check this by running: Output: If our default target is multi-user.target, it means that the GUI will not be loaded. What we want is to set the default target to graphical.target. To do this, run the following commands: Output: After which, run the following command to change to the GUI immediately: That’s it. You can now connect via xRDP to your CentOS 7 machine using GNOME. Here is what GNOME 3 looks like, the first time you connect after installing. Just follow the initial configuration steps to finish setting up. GNOME 3 Uninstalling GNOME To uninstall GNOME from your CentOS 7 machine, run the following commands:

Step 3 – Connect to Your Machine Using Remote Desktop Connection

With xRDP and your desktop environment installed, you can now connect from your local machine to the remote machine. How you do this depends on your operating system.

Connect from Windows

To connect to your server from Microsoft Windows, just search and launch the Remote Desktop Connection application and input your hostname or IP: input_hostname_or_ip_in_remote_desktop_connection If this is your first time connecting, then you’ll receive some security warnings. Assuming this is your server and it is secure then just go ahead and confirm them. confirm_security_warning confirm_security_warning

Connect from Linux

To connect from a Linux machine, a great option for using remote desktop connection is Remmina. Remmina is a wonderful free and open-source remote desktop client that supports Remote Desktop Protocol, VNC, NX, XDMCP, SPICE and SSH protocols. linux_to_linux_remote_desktop_connection To use Remmina to connect from Linux to your remote machine, just run Remmina after installing it, click the + in the top left corner and fill in your remote machine’s IP/HostnameUsername and Password. If you’re running Debian/Ubuntu/CentOS/Fedora locally, you can install Remmina using the following commands: Debian/Ubuntu CentOS/RHEL Fedora 22 You’ll notice we are also installing remmina-plugins-* because our main interest is installing the Remmina RDP plugin, as it may not be installed by default. You can find more detailed installation instructions, and instructions for other distros on their website, here How to install Remmina – Remmina.

Connect from OSX

To connect from your Mac, you’ll first have to download the Microsoft Remote Desktop App from the App Store After launching the app for the first time, you’ll first want to create a new connection. To do this click on the + in the top left corner of the app window. The essential information you need here is for PC NameUser name and Password. Just fill in the info for the 3 mentioned fields as follows: PC Name – The IP or Host name of your remote machine. Most likely you’ll want to use your IP. User name – The username you used when installing xRDP and the desktop environment on your remote machine. Either root or your sudo user. Password – Your CentOS user’s login password. After which the connection should be saved and you should be able to start the connection to the remote machine. For additional info and support, you can read the instructions for Remote Desktop on Mac on Microsoft’s Website.

Conclusion

Well done. You’ve hopefully learned how to install xRDP on a CentOS 7 machine and use 3 different desktop environments over remote desktop connection. If you’ve encountered any issues when following this tutorial, please feel free to let us know in the comments or by contacting us.
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