improved vnc and reverse tethering

wiki/linux/gnirehtet.md

@@ -15,15 +15,21 @@ This section addresses the usage of Gnirehtet.
 ## Setting Up and Running Reverse Tethering
 
 The following command can be used to setup the reverse tethering and also run it.
-For it to work the mobile device has to enable `USB Debugging` so Gnirehtet can automatically be
+For it to work the [Android](/wiki/android.md) device has to enable `USB Debugging` so Gnirehtet can automatically be
 installed (which is internally done using `adb`).
+Additionally `Use USB for` has to be set to `File Transfer` and not to
+`USB Tethering` as this would start the normal tethering process and resolving internet access from
+the [Linux](/wiki/linux.md) system to the Android device and not the other way around.
+
+The initiating of the reverse tethering can be done by using the following command.
 
 ```sh 
 gnirehtet run
 ```
 
-Alternatively and only after being set up correctly the reverse tethering can be started and
-stopped with the corresponding two commands that follow.
+When the `run` command is active the reverse tethering can be started and stopped using the
+following commands.
+If the `run` command is not active the reverse tethering will not work.
 
 ```sh 
 gnirehtet start

wiki/vnc.md

@@ -8,3 +8,16 @@ VNC is especially used for accessing graphical applications or
 [terminals](/wiki/linux/system_console.md) of a remote server,
 [dockerized](/wiki/docker.md#dockerize-a-graphical-application) or virtualized
 program.
+
+## VNC Clients
+
+The following is a list of VNC clients.
+
+- [AVNC](https://github.com/gujjwal00/avnc) is a VNC client for [Android](/wiki/android.md)
+  devices.
+
+## VNC Server
+
+The following is a list of VNC server.
+
+- [wayvnc](https://github.com/any1/wayvnc) is a VNC server for [Linux](/wiki/linux.md) systems.