Upgrade a Sensor

If you downloaded the sensor image (ISO) from Cisco XDR (Administration > On-Premises Appliances > Sensors > Installation), use Ubuntu to upgrade your sensor.

1. Review the current sensor version. For details, see Verify Your Sensor Version.

2. Log in to Ubuntu system as an administrator.

3. Stop the service and back up the existing configuration:

   1. At the command prompt, enter sudo systemctl stop obsrvbl-ona.service and press Enter to stop the service.

   2. Enter sudo cp /opt/obsrvbl-ona/config.auto ~/config.auto and press Enter.

   3. Enter sudo cp /opt/obsrvbl-ona/config.local ~/config.local and press Enter.

4. Download the new package:

   1. Enter rm -f ona-service and press Enter.

   2. Enter sudo wget https://assets-production.obsrvbl.com/ona-packages/obsrvbl-ona/v5.1.3/ona-service_UbuntuNoble_amd64.deb and press Enter.

5. Remove the old package and install the new one:

   1. Enter sudo apt remove --purge ona-service and press Enter.

   2. Enter sudo apt install ./ona-service_UbuntuNoble_amd64.deb and press Enter.

6. Restore your backup configuration:

   1. Enter sudo cp ~/config.auto /opt/obsrvbl-ona/config.auto and press Enter.

   2. Enter sudo cp ~/config.local /opt/obsrvbl-ona/config.local and press Enter.

   3. Enter sudo chown obsrvbl_ona:obsrvbl_ona /opt/obsrvbl-ona/config.auto /opt/obsrvbl-ona/config.local and press Enter.

7. Restart the system:

   1. Enter sudo systemctl restart obsrvbl-ona.service and press Enter.

8. Verify the update:

   • Follow the instructions in Confirm a Sensor Connection and confirm the sensor is shown in the list and receiving data.

   • Follow the instructions in Verify Your Sensor Version to confirm that the sensor version is updated.