add gui feature

README.md

@@ -46,6 +46,7 @@ Vermin in Action:
 * [Install CockroachDB cluster in a Virtual Machine](https://medium.com/swlh/install-cockroachdb-on-a-virtual-machine-2f25878fd70?source=friends_link&sk=52b4c1c16794f8d15943c8c48a7103b5)
 * [Install Redis inside Ubuntu VM](https://medium.com/swlh/install-redis-inside-a-ubuntu-vm-d5022d42d8cc?source=friends_link&sk=b7073861f8050c5318683d1ebfcd800a)
 * [Install Kubernetes cluster in Virtual Machines the easy way](https://medium.com/@mhewedy_46874/install-kubernetes-cluster-in-virtual-machines-the-easy-way-337ef0c4e37f?source=friends_link&sk=dbb40739c54c864d1bd2f779032b2de2)
+* [Install Desktop environment on Ubuntu Server](https://medium.com/@mhewedy_46874/ubuntu-20-04-desktop-vm-using-vermin-764d20f43c4d?source=friends_link&sk=d78dd1b863aaa0ea8bd05dc3e681c7ec)
 
 Also, you can check [Why not Vagrant](#Why-not-Vagrant) section.
 
@@ -86,6 +87,7 @@ Available Commands:
   cp          Copy files/folders between a VM and the local filesystem or between two VMs
   create      Create a new VM
   exec        Run a command in a running VM
+  gui         open the GUI for the VM
   help        Help about any command
   images      List remote and cached images
   ip          Show IP address for a running VM

cmd/gui.go

@@ -0,0 +1,63 @@
+/*
+Copyright © 2020 NAME HERE <EMAIL ADDRESS>
+
+Licensed under the Apache License, Version 2.0 (the "License");
+you may not use this file except in compliance with the License.
+You may obtain a copy of the License at
+
+    http://www.apache.org/licenses/LICENSE-2.0
+
+Unless required by applicable law or agreed to in writing, software
+distributed under the License is distributed on an "AS IS" BASIS,
+WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+See the License for the specific language governing permissions and
+limitations under the License.
+*/
+package cmd
+
+import (
+	"errors"
+	"fmt"
+	"github.com/mhewedy/vermin/vms"
+	"github.com/spf13/cobra"
+	"os"
+)
+
+// guiCmd represents the gui command
+var guiCmd = &cobra.Command{
+	Use:   "gui",
+	Short: "open the GUI for the VM",
+	Long:  `open the GUI for the VM`,
+	Example: `
+
+$ vermin gui vm_02
+`,
+	Run: func(cmd *cobra.Command, args []string) {
+		vmName := args[0]
+		if err := vms.GUI(vmName); err != nil {
+			fmt.Println(err)
+			os.Exit(1)
+		}
+	},
+	Args: func(cmd *cobra.Command, args []string) error {
+		if len(args) != 1 {
+			return errors.New("vm required")
+		}
+		return nil
+	},
+	ValidArgsFunction: listRunningVms,
+}
+
+func init() {
+	rootCmd.AddCommand(guiCmd)
+
+	// Here you will define your flags and configuration settings.
+
+	// Cobra supports Persistent Flags which will work for this command
+	// and all subcommands, e.g.:
+	// guiCmd.PersistentFlags().String("foo", "", "A help for foo")
+
+	// Cobra supports local flags which will only run when this command
+	// is called directly, e.g.:
+	//guiCmd.Flags().BoolP("purge", "p", false, "Purge the IP cache")
+}

vms/vms.go

@@ -161,3 +161,15 @@ func Modify(vmName string, cpus int, mem int) error {
 	_, err := command.VBoxManage(params...).Call()
 	return err
 }
+
+func GUI(vmName string) error {
+	if err := checkRunningVM(vmName); err != nil {
+		return err
+	}
+
+	if err := ssh.EstablishConn(vmName); err != nil {
+		return err
+	}
+
+	return command.VBoxManage("startvm", "--type", "separate", vmName).Run()
+}