KVM Virtualization: Start VNC Remote Access For Guest Operating Systems

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To start VNC remote access for a guest operating system in KVM virtualization, you need to follow these steps:

  1. Install a VNC server in the guest operating system: You need to have a VNC server installed in the guest operating system so that you can access it remotely. There are several VNC servers available, including TightVNC, RealVNC, and TigerVNC.
  2. Configure the virtual machine: In your KVM host, you need to add a new device to the virtual machine’s configuration file. You can add the following configuration to the virtual machine’s XML file:
<graphics type='vnc' port='5900' listen='0.0.0.0'>
<listen type='address' address='0.0.0.0'/>
</graphics>

This configuration opens the VNC server on port 5900 and allows connections from any IP address (listen='0.0.0.0'). The port attribute specifies the VNC port, and the listen attribute specifies the IP address to listen on.

  1. Restart the virtual machine: After you have made changes to the virtual machine’s configuration file, you need to restart the virtual machine for the changes to take effect. You can use the following command to restart the virtual machine:
virsh reboot [virtual machine name or ID]
  1. Connect to the VNC server: To connect to the VNC server, you need to use a VNC client. There are several VNC clients available, including TightVNC, RealVNC, and TigerVNC. You need to connect to the IP address of the KVM host on port 5900 (or the port specified in the virtual machine’s configuration).

Once you have completed these steps, you should be able to access the guest operating system through a VNC client. You can then use the VNC client to interact with the guest operating system as if you were working on it directly.

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