add to registry

cmd/minikube/cmd/start.go

@@ -160,7 +160,7 @@ func runStart(cmd *cobra.Command, args []string) {
 			out.ErrLn("")
 			out.ErrT(out.Conflict, "Your Docker Desktop container os type is Windows but Linux is required.")
 			out.T(out.Warning, "Please change Docker settings to use Linux containers instead of Windows containers.")
-			out.T(out.Documentation, "https://docs.docker.com/docker-for-windows/#switch-between-windows-and-linux-containers")
+			out.T(out.Documentation, "https://minikube.sigs.k8s.io/docs/drivers/docker/#verify-docker-container-type-is-linux")
 			exit.UsageT(`You can verify your Docker container type by running:
 	{{.command}}
 		`, out.V{"command": "docker info --format '{{.OSType}}'"})

pkg/minikube/registry/drvs/docker/docker.go

@@ -81,9 +81,13 @@ func status() registry.State {
 	defer cancel()
 
 	// Quickly returns an error code if server is not running
-	cmd := exec.CommandContext(ctx, oci.Docker, "version", "--format", "{{.Server.Version}}")
+	cmd := exec.CommandContext(ctx, oci.Docker, "version", "--format", "{{.Server.Os}}-{{.Server.Version}}")
 	o, err := cmd.Output()
 	output := string(o)
+	if !strings.Contains(output,"windows-") {
+		return registry.State{Error: oci.ErrWindowsContainers, Installed: true, Healthy: false, Fix: "Change container type to \"linux\" in Docker Desktop settings", Doc: docURL+"#verify-docker-container-type-is-linux"}
+
+	}
 	if err == nil {
 		glog.Infof("docker version: %s", output)
 		return registry.State{Installed: true, Healthy: true}

site/content/en/docs/drivers/docker.md

@@ -30,16 +30,18 @@ The Docker driver allows you to install Kubernetes into an existing Docker insta
 
 ## Troubleshooting
 
-- On macOS or Windows, you may need to restart Docker for Desktop if a command gets hung
-
-- Run `--alsologtostderr -v=1` for extra debugging information
-
+[comment]: <> (this title is used in the docs links, don't change)
+### Verify Docker container type is Linux
 - On Windows, make sure Docker Desktop's container type setting is Linux and not windows. see docker docs on [switching container type](https://docs.docker.com/docker-for-windows/#switch-between-windows-and-linux-containers). 
 You can verify your Docker container type by running:
-```shell
- docker info --format '{{.OSType}}'
-```
+   ```shell
+   docker info --format '{{.OSType}}'
+   ```
 
+### Run with logs
+- Run `--alsologtostderr -v=1` for extra debugging information
+
+### Deploying MySql on a linux with AppArmor
 - On Linux, if you want to run MySQL pod, you need to disable AppArmor for mysql profile
 
    If your docker has [AppArmor](https://wiki.ubuntu.com/AppArmor) enabled, running mysql in privileged mode with docker driver will have the issue [#7401](https://github.com/kubernetes/minikube/issues/7401).