ThingsBoard Ubuntu 3.9.x Upgrade Instructions

wget https://github.com/thingsboard/thingsboard/releases/download/v3.9.1/thingsboard-3.9.1.deb

sudo service thingsboard stop

sudo dpkg -i thingsboard-3.9.1.deb

sudo /usr/share/thingsboard/bin/install/upgrade.sh

sudo service thingsboard start

wget https://github.com/thingsboard/thingsboard/releases/download/v3.9/thingsboard-3.9.deb

sudo service thingsboard stop

sudo dpkg -i thingsboard-3.9.deb

sudo /usr/share/thingsboard/bin/install/upgrade.sh --fromVersion=3.8.1

sudo service thingsboard start