Fix for GUI crash on certain distros due to "QXcbConnection: Could not connect to display :0" error.

multibootusb

@@ -9,6 +9,7 @@ import os
 import getopt
 import sys
 import platform
+import shutil
 
 # The following line is required for distros based on rpm so as to avoid import errors when running from
 # installed system
@@ -160,7 +161,7 @@ if __name__ == '__main__':
                 config.image_path = arg.split(',')
         elif opt in ('-t', '--target'):
             # Convert to upper if windows drive name is given
-            config.usb_disk = len(arg)==2 and arg[0].isalpha() and arg[1]==':'\
+            config.usb_disk = len(arg) == 2 and arg[0].isalpha() and arg[1] == ':'\
                               and arg.upper() or arg
         elif opt in ('-c', '--command'):
             gui = False

multibootusb-pkexec

@@ -2,12 +2,19 @@
 # Generic wrapper for locating multibootusb file and execute pkexec accordingly
 # Bin pat of this file and policy file have to match
 
+# Ensure that root is added in to xhost list to access X-Server
+# Otherwise script will fail to launch GUI
+if type "xhost" > /dev/null; then
+    xhost local:root > /dev/null
+fi
+
+
 if [ $(which pkexec) ]; then
-    if [ -f /usr/bin/multibootusb ]; then
+    if [ -f /usr/bin/multibootusb ]; then  # path to debian based distros
         pkexec --disable-internal-agent "/usr/bin/multibootusb" "$@"
     fi
 
-    if [ -f /usr/local/bin/multibootusb ]; then
+    if [ -f /usr/local/bin/multibootusb ]; then  # path to fedora based distros
         pkexec --disable-internal-agent "/usr/local/bin/multibootusb" "$@"
     fi
 else