Easily setup a virtual Keyboard-Video-Mouse (KVM) switch for Libvirt/QEMU Virtual Machines (VMs).

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• Why?
• How to Use
• Download
• Usage
  • 1. installer.bash
  • 2. generate-evdev
• Filenames and pathnames modified
  • 1. System configuration files
  • 2. Paths for project binaries and files
• Contact

Switch device inputs between Host and VM(s) or Guest(s). Requires devices to remain connected to be seen by Guests (similar to the limitations within the PS/2 cable standard, unlike USB).

1. Press L-CTRL + R-CTRL to switch between Guests.

• To download this script, you may:

  • Download the ZIP file:

    1. Viewing from the top of the repository's (current) webpage, click the green <> Code drop-down icon.
    2. Click Download ZIP. Save this file.
    3. Open the .zip file, then extract its contents.

  • Clone the repository:

    1. Open a Command Line Interface (CLI).
    • Open a console emulator (for Debian systems: Konsole).
    • Open a existing console: press CTRL + ALT + F2, F3, F4, F5, or F6.
      • To return to the desktop, press CTRL + ALT + F7.
      • F1 is reserved for debug output of the Linux kernel.
      • F7 is reserved for video output of the desktop environment.
      • F8 and above are unused.
    2. Change your directory to your home folder or anywhere safe: cd ~
    3. Clone the repository: git clone https://www.github.com/portellam/generate-evdev

• To make this script executable, you must:

  1. Open the CLI (see above).
  2. Go to the directory of where the cloned/extracted repository folder is: cd name_of_parent_folder/generate-evdev/
  3. Make the installer script file executable: chmod +x installer.bash
  • Do not make any other script files executable. The installer will perform this action.
  • Do not make any non-script file executable. This is not necessary and potentially dangerous.

• From within the project folder, execute: sudo bash installer.bash

  -h, --help       Print this help and exit.
  -U, --update     Update qemu.conf source file before install or uninstall.
  -i, --install    Install generate-evdev to system.
  -u, --uninstall  Uninstall generate-evdev from system.

• From any folder, execute: sudo bash generate-evdev
  • The CLI's shell (bash) should recognize that the script file is located in /usr/local/bin.

-h, --help                Print this help and exit.
    --dump-xml            Dump QEMU commandline (XML) output to file.
    --hugepages           Include Hugepages as device for Libvirt/QEMU.
    --output-event-paths  Output Event device paths only.
    --output-input-paths  Output Input device paths only.
    --restart-service     Restart Libvirtd system service after setup.
    --set-user            Sets user ownership of Libvirt Input devices to current user. Default is root.
    --undo-changes        Undo changes; restore file backups.

• /etc/libvirt/qemu.conf

• /usr/local/bin/generate-evdev
• /usr/local/etc/generate-evdev.d/

Did you encounter a bug? Do you need help? Notice any dead links? Please contact by raising an issue with the project itself.