diff --git a/Dockerfile b/Dockerfile
index 3cd1da1..35311e7 100644
--- a/Dockerfile
+++ b/Dockerfile
@@ -1,4 +1,4 @@
-#/usr/bin/docker
+#!/usr/bin/docker
 #     ____             __             ____  ______  __
 #    / __ \____  _____/ /_____  _____/ __ \/ ___/ |/ /
 #   / / / / __ \/ ___/ //_/ _ \/ ___/ / / /\__ \|   / 
diff --git a/README.md b/README.md
index a17a0b2..bb4d114 100644
--- a/README.md
+++ b/README.md
@@ -89,8 +89,24 @@ docker start xxxxxxx
 ```
 
 # Troubleshooting
+
+libgtk permissions denied error, thanks @raoulh + @arsham
 ```
+echo $DISPLAY
+
+# ARCH
+sudo pacman -S xorg-xhost
+
+# UBUNTU DEBIAN
+sudo apt install x11-xserver-utils
+
+# CENTOS RHEL FEDORA
+sudo yum install xorg-x11-server-utils
+
+# then runx
+host +
 
+docker run --privileged -e "DISPLAY=${DISPLAY:-:0.0}" -v /tmp/.X11-unix:/tmp/.X11-unix sickcodes/docker-osx ./OpenCore-Boot.sh
 ```
 
 Alternative run, thanks @roryrjb