Fix/shm (#21)

Turn off clearing of SHM on log out (interfered with services)

Author: hilary-luo

debian/install

@@ -1,3 +1,4 @@
 scripts/* /usr/bin/
 udev/*.rules /etc/udev/rules.d/
 etc/* /etc/
+install_config/logind/70-clearpath-standard-logind.conf /usr/lib/systemd/logind.conf.d/

install_config/logind/70-clearpath-standard-logind.conf

@@ -0,0 +1,4 @@
+# Disable the clearing of SHM links when all user sessions are ended so that running
+# ROS 2 services are not impacted when SSH sessions are closed.
+[Login]
+RemoveIPC=no

turtlebot4_setup/ros_setup.py

@@ -87,7 +87,7 @@ def __init__(self, conf: Conf) -> None:
                                   function=self.set_fastrtps_default_profiles_file),
                         MenuEntry('', None),
                         MenuEntry(entry='Apply Defaults', function=self.apply_defaults),
-                        MenuEntry(entry='Save', function=self.save_settings),]
+                        MenuEntry(entry='Save', function=self.save_settings), ]
 
         self.menu = Menu(self.title, self.entries)
 
@@ -438,7 +438,7 @@ def generate_uninstall(self):
 
     def fix_conf_username(self, discovery_conf_contents):
         """
-        Replace the `User=ubuntu` text in the configuration with the current username
+        Replace the `User=ubuntu` text in the configuration with the current username.
 
         @return  The modified config file contents
         """