In conclusion, we have discussed how to switch Display Manager in Ubuntu 20.04 release. In our case, we just needed to reboot our System. You can install it by just running the following command: apt install tigervnc-standalone-server -y After installing TigerVNC, create a new user and set a VNC password for that user. Invoke-rc.d: initscript gdm3, action "reload" failed. Step 2 Install TigerVNC Server By default, the TigerVNC package is available in the Ubuntu 20.04 default repository. On running – sudo dpkg-reconfigure gdm3, you may get following error – gdm.service is not active, cannot reload. Next, you will be asked to select your default Display Manager (gdm3, lightdm or sddm). Now, to switch between them – run the following command with active (or default) Display Manager – sudo dpkg-reconfigure įor instance (opt any one of three as per your System’s configuration), sudo dpkg-reconfigure gdm3Īnd, press OK. Or, you can simply issue to get the status of active Display Manager – systemctl status display-manager Therefore, issue the following in terminal – cat /etc/X11/default-display-manager First, we need to identify our default display manager. Its not necessary to install all of the above mentioned Display Manager. To install SDDM (Simple Desktop Display Manager), open a terminal and issue the following – sudo apt install sddm Switch Display Manager in Ubuntu 20.04 To install LightDM, open a terminal and issue the following – sudo apt install lightdm Install SDDM in Ubuntu To install GDM (GNOME Display Manager), open a terminal and issue the following – sudo apt install gdm3 Install LightDM in Ubuntu In case you don’t have one, then contact your System Administrator for assistance.įirst, we will discuss how to install each Display Manager mentioned above. Note: Following operations would require you to have superuser privileges. Many Ubuntu flavors still prefer to choose LightDM as default display manager. In the Password, field, enter your VNC password your created earlier. In the Server field, enter localhost::5901. In the Name field, Enter a profile name of your choice. Just type VNC or remmina in the dash to start it. In Ubuntu, GDM has been the default Display Manager in Ubuntu 16.10 and later. If you are using Ubuntu Desktop, it comes preloaded with a VNC-capable client called Remmina. In this article, we would focus on how to switch between different Display Manager in Ubuntu 20.04 release.Īlthough there are numerous Display Manager (both GUI and CLI) available, but we would focus on three prominent ones – GDM, LightDM and SDDM. Or else, a Display Manager in case of GUI (Graphical User Interface). Installing VNC Server on Ubuntu 20.04 LTS: This article will use the GNOME desktop environment’s built-in Screen Sharing feature to access the Ubuntu 20.04 LTS graphical desktop environment remotely. If we intend to use CLI (Command-line interface), then we would get a default shell to login. This article will show you how to install the VNC server on Ubuntu 20.04 LTS and access it from a remote computer. The type of login manager would depend on our Ubuntu configuration. Once the boot process gets completed, we get a prompt to enter user and password to login.
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