Connection Troubleshooting

These are some steps that will help out if you cannot connect to Motorcortex.

2 minute read

If you are unable to connect to your Motorcortex application please select the operating system that you are using and use the following steps to resolve the problem.

Check connection

Check if your connection is established by pinging the controller by using the following command in the terminal.
```
ping 192.168.2.100 -c 5
```
Note

In case the Motorcortex Controller is configured for a different network, the settings may have to be adapted. Per default this is not the case
The the terminal should give you a answer that 5 packets have been transmitted and 5 received.

Note
If you can ping the controller but still cant connect skip to Check Application Connection.
Check your connections the possible problems could be:

Broken Ethernet cable
Broken Network adapter
Is the controller on?

If your connections are good the check your network settings as explained in Configure Your Network.
Check if net-tools are installed.
```
sudo apt install net-tools
```
Check a network is detected using the following command.
```
ifconfig
```
The terminal should show your connection similar as shown below.
If no connections are found there is a hardware problem that has to be resolved. After this start at step 1.

Reset Wired Connections

If you are connected you might need to reset the wired connections.

Unplug your cable.

Go to the following directory.

cd /etc/NetworkManager/system-connections

Check your connections using.
```
ls
```
Remove the connection mostly starting with Wired connection.
```
sudo rm Wired_connection_name
```
Reconnect your cable.
Retry following the steps in Configure Your Network.

Check application connection

On your machine Turn Motorcortex off and on again by using the following steps.
Log into the system through ssh as explained in Remote Access & File Transfer.
Run the following command:
```
sudo /etc/init.d/motorcortex restart
```
Warning

If there are errors starting your application these should be resolved.
Retry Connecting to your Motorcortex application
If this is still not working check if your Certificate is installed correctly as explained in Install Browser Certificate.
If the Certificate correctly installed check if your anti-virus software on your computer blocks the ports used by Motorcortex. There are known issue with the default settings of Kaspersky and other Security Apps.
If that is not the case maybe you are behind a firewall. Try to connect your computer directly or change the firewall settings.

Raspberry Pi Connection

When setting up a wired connection with the Raspberry Pi in some cases it is necessary to activate the ARP protocol with the following command.

sudo ifconfig eth0 arp