# ReactOS on Docker A Docker image for the [ReactOS](https://www.reactos.org) operating system. ## Start an instance ```sh docker run --detach \ --name qemu-reactos \ --device /dev/kvm \ --publish 127.0.0.1:5900:5900/tcp \ --publish 127.0.0.1:6080:6080/tcp \ docker.io/hectorm/qemu-reactos:latest ``` The instance can be accessed from: * **VNC** (`5900/TCP`), without password. * **noVNC** (`6080/TCP`), http://127.0.0.1:6080/vnc.html * `docker exec -it qemu-reactos vmshell` ## Environment variables #### `VM_CPU` Number of cores the VM is permitted to use (`2` by default). #### `VM_RAM` Amount of memory the VM is permitted to use (`1024M` by default). #### `VM_KEYBOARD` VM keyboard layout (`en-us` by default). #### `VM_KVM` Start QEMU in KVM mode (`true` by default). > The `--device /dev/kvm` option is required for this variable to take effect. ## License See the [license](LICENSE.md) file.