2.2.2. Installing OpenVZ Guest Tools

OpenVZ guest tools enable you to configure running virtual machines from the physical host. These operations include:

  • Running commands in VMs with the prlctl exec command.
  • Setting passwords for users in VMs with the prlctl set --userpasswd command. If the user does not exist, it will be created.
  • Obtaining and changing VM network settings.

To install OpenVZ guest tools in a Linux or Windows virtual machine MyVM, do the following:

  1. Run the prlctl installtools command on the host. For example: 

    # prlctl installtools MyVM

    The guest tools image shipped with OpenVZ will be mounted to the virtual machine’s optical drive.

  2. Log in to the virtual machine and do the following:

    • Inside a Linux VM, create a mount point for the optical drive with the guest tools image and run the installer: 

      # mount /dev/cdrom /mnt/cdrom
# bash /mnt/cdrom/install
    • Inside a Windows VM, if autorun is enabled, the installer will run automatically. Otherwise, navigate to the optical drive and launch the installer manually.

Note

Note: OpenVZ guest tools rely on QEMU guest agent which is installed alongside the tools. The agent daemon/service (qemu-ga) must be running for the tools to work.

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