Run the following command to install the evdev program:.Fixesįollow these steps to change the driver to evdev. This problem may be caused by an exception in keyboard and mouse drivers. But you cannot use the mouse and keyboard. IssueĪfter the desktop environment is installed, connect to the ECS instance by using the management terminal in the ECS console. The keyboard and mouse are not available for CentOS systems after installing the graphical desktop. The messagebus and haldaemon services are not started in the CentOS system, causing a failure to use GNOME.The keyboard and mouse are not available for CentOS systems after installing the graphical desktop.This section describes the symptoms, analysis, and solutions for these issues. Log on to the instance again through the management terminal and confirm that the graphical desktop is running successfully.Īfter a graphical desktop is installed, the following common issues may occur on ECS instances.Run the startx command to start the graphical desktop.Run the following commands in sequence to install the GNOME desktop environment:.Run the following command to update the software repository:.Log on to your ECS instance by using the management terminal in the ECS console.In this example, install GNOME desktop environment. Connect to the ECS instance through the management terminal in the ECS console and confirm that the desktop environment is successfully installed.Alternatively, you can restart an instance in the ECS console. Run the reboot command to restart the ECS instance.By default, the system uses the graphical desktop environment. Run the following commands in sequence to install the MATE desktop environment.Establish a remote connection and log on to the Linux instance.Note: After the installation and restart, if the card is displayed on the startup page, run the following command to update the system software package. In this example, install the MATE desktop environment as follows. The actual conditions may vary.įor information about the CentOS 8 system, see CentOS 8 installation Gui. This topic takes CentOS8, CentOS7, and Ubuntu14 as an example.Before installation, we recommend that you create snapshot backups for the ECS instances in case the restoration can be rolled back when exceptions occur. If improperly installed, the operating system may fail to start. The graphical desktop can significantly degrade the performance of the server.For more information, see the following figure. You can install a graphical desktop for common Linux instances according to your actual needs. Backgroundįor the sake of performance and versatility, the graphical desktop component is not installed in the public Linux images officially provided by Alibaba Cloud by default. This article describes how to install the graphical desktop environment on Linux instances.
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