Switch to unix socket

Dockerfile

@@ -42,11 +42,6 @@ RUN /opt/conda/bin/pip install https://github.com/manics/jupyter-server-proxy/ar
 RUN conda install -y -q -c manics websockify=0.9.0
 ADD jupyter_notebook_config.py /home/jovyan/.jupyter/jupyter_notebook_config.py
 
-# There may be a discrepency between the interface vncserver listens on
-# (127.0.0.1) and the interface jupyter-server-proxy connects to (localhost)
-# https://bugzilla.redhat.com/show_bug.cgi?id=895582
-RUN sed -i.bak s/localhost/127.0.0.1/g /opt/conda/lib/python3.7/site-packages/jupyter_server_proxy/handlers.py
-
 WORKDIR ${HOME}
 
 # Both these should work:

jupyter_notebook_config.py

@@ -7,6 +7,7 @@ elif os.getenv('DESKTOP_PACKAGE') == 'xfce4':
 else:
     xstartup = 'xterm'
 
+vnc_socket = os.path.join(os.getenv('HOME'), '.vnc', 'socket')
 c.ServerProxy.servers = {
     'desktop': {
         'command': [
@@ -15,12 +16,14 @@ c.ServerProxy.servers = {
             '--web', '/opt/noVNC-1.1.0',
             '--heartbeat', '30',
             '5901',
+            '--unix-target', vnc_socket,
             '--',
             'vncserver',
             '-verbose',
             '-xstartup', xstartup,
             '-geometry', '1024x768',
             '-SecurityTypes', 'None',
+            '-rfbunixpath', vnc_socket,
             '-fg',
             ':1',
         ],