* Added description for enabling guest features

* Added dependency on isl and isl-devel (required by newer VirtualBox
builds)

software/virtualbox/en.md

@@ -5,13 +5,13 @@ title = "VirtualBox"
 
 [VirtualBox](https://virtualbox.org) is an x86 virtualization software package developed by Sun Microsystems.
 
-## Solus as Guest 
+## Solus as Guest
 
-Make sure you have the necessary packages installed: 
+Make sure you have the necessary packages installed:
 
 ``` bash
 sudo eopkg upgrade
-sudo eopkg install gcc make autoconf binutils kernel-headers xorg-server-devel
+sudo eopkg install gcc make autoconf binutils kernel-headers xorg-server-devel isl isl-devel
 ```
 
 Reboot your system first so that it's all up to date.
@@ -28,9 +28,76 @@ Now, download the [Guest Additions](http://download.virtualbox.org/virtualbox/)
 
 **Note:** For each kernel update you will need to rebuild the Virtualbox Modules. So simply remount the ISO and run the instructions again.
 
-## Solus as Host 
+## Clipboard Sharing, Copy&Paste, Drag&Drop
 
-Download the latest [VirtualBox Installer](https://www.virtualbox.org/wiki/Linux_Downloads) - [direct link](http://download.virtualbox.org/virtualbox/5.1.12/VirtualBox-5.1.14-112924-Linux_amd64.run) (5.1.14) right click link and Save As. 
+By default, the virtualbox modules for those virtualbox features are not loaded/enabled, therefore the features simply do not work if selected in the Guest.
+If you want that this features to work properly automatically, without starting the corresponding VBoxClient yourself, you can use xdg to autostart VBoxClient enabling the features.
+
+/usr/bin/VBoxClient-all:
+``` bash
+#!/bin/sh
+## @file
+# Start the Guest Additions X11 Client
+#
+
+#
+# Copyright (C) 2007-2012 Oracle Corporation
+#
+# This file is part of VirtualBox Open Source Edition (OSE), as
+# available from http://www.virtualbox.org. This file is free software;
+# you can redistribute it and/or modify it under the terms of the GNU
+# General Public License (GPL) as published by the Free Software
+# Foundation, in version 2 as it comes in the "COPYING" file of the
+# VirtualBox OSE distribution. VirtualBox OSE is distributed in the
+# hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
+#
+
+# Sanity check: if non-writeable PID-files are present in the user home
+# directory VBoxClient will fail to start.
+for i in $HOME/.vboxclient-*.pid; do
+    test -w $i || rm -f $i
+done
+
+if ! test -c /dev/vboxguest 2>/dev/null; then
+   # Do not start if the kernel module is not present.
+   notify-send "VBoxClient: the VirtualBox kernel service is not running.  Exiting."
+elif test -z "${SSH_CONNECTION}"; then
+   # This script can also be triggered by a connection over SSH, which is not
+   # what we had in mind, so we do not start VBoxClient in that case.  We do
+   # not use "exit" here as this script is "source"d, not executed.
+  /usr/bin/VBoxClient --clipboard
+  /usr/bin/VBoxClient --checkhostversion
+  /usr/bin/VBoxClient --display
+  /usr/bin/VBoxClient --seamless
+  /usr/bin/VBoxClient --draganddrop
+fi
+```
+
+You need to make the file executable in order for this to work:
+``` bash
+sudo chmod +x /usr/bin/VBoxClient-all
+```
+
+/etc/xdg/autostart/vboxclient.desktop:
+``` bash
+[Desktop Entry]
+Type=Application
+Encoding=UTF-8
+Version=1.0
+Name=vboxclient
+Name[C]=vboxclient
+Comment[C]=VirtualBox User Session Services
+Comment=VirtualBox User Session Services
+Comment[it]=Servizi di sessione utente di VirtualBox
+Comment[pl]=Usługi sesji użytkownika VirtualBox
+Exec=/usr/bin/VBoxClient-all
+X-GNOME-Autostart-enabled=true
+X-KDE-autostart-after=panel
+```
+
+## Solus as Host
+
+Download the latest [VirtualBox Installer](https://www.virtualbox.org/wiki/Linux_Downloads) - [direct link](http://download.virtualbox.org/virtualbox/5.1.12/VirtualBox-5.1.14-112924-Linux_amd64.run) (5.1.14) right click link and Save As.
 Now install the dependencies and VirtualBox like so:
 
 ``` bash