Frequently asked questions

How can I update/upgrade my version of the Analyzer ?

You do not have customized dashboard:

When a new release is out, symply run:

wget https://api.latence.ca/software/update.sh

sudo bash update.sh

It will stop your current Analyzer docker and make you install the Analyzer again while keeping your historical data.

You have a customized dashboard:

If you have a customized dashboards, contact your LatenceTech vendor before updating.

How can I update my version of the Qos-Agent and Reflector ?

To update the Qos-Agent and the Reflector with the latest version, you have to kill their dockers by running:

docker kill $(docker ps -q) && docker rm $(docker ps -a -q) && docker rmi $(docker images -q) && docker system prune -af

And then run the following to download the new images.

Qos-Agent image:

docker-compose -f lti_qos-agent.yml up -d

Reflector image:

docker-compose -f lti_reflector.yml up -d

Can I run only one protocol at a time ?

Yes. It is possible to disable a protocol by setting its sampling rate to -1. E.g. specifying LTI_iperf3_session_interval=-1 will disable iperf.

Can I use multiple QoS agents at the same time pointing to the same reflector ?

Yes, is it possible to use multiple QoS agents. It is mandatory to specify a different ID for each agent using LTI_agent_id. If not, you will not be able to identify the data related to a specific QoS agent.

How can I delete my docker which is currently running ?

Please refer to the docker prune documentation.

Does your solution encounter problems with data privacy ?

We do not collect any personal information. It is possible to run the analyzer on premises.

Is it available in every country ?

Yes, there is no usage restriction in any country.

How do I restart the analyzer if it is not responding ?

Log into your analyzer VM.
Run the following commands:

cd lti_analyzer
docker-compose down
docker-compose up -d

I have no data displayed, how can I troubleshoot this situation ?

If your QoS-Agent is running but you are not receiving any data on your Analyzer, execute the following procedure to troubleshoot this situation:

For Users on AWS:

If your Analyzer run on an AWS virtual machine, run this script:

wget https://wget https://api.latence.ca/software/lti_protocol_debug_AWS.sh

Then run the script with this command:

sudo bash lti_protocol_debug_AWS.sh

For all other Users:

Download this troubleshooting script:

wget https://wget https://api.latence.ca/software/lti_protocol_debug.sh

Then run the script with this command:

sudo bash lti_protocol_debug.sh