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Using the Terminal

You can also update the appliance TLS certificate from the terminal.

Open a Terminal Session​

Cockpit is available on port 9090 at https://<your_appliance>:9090.
Log in with your credentials and open Terminal from the menu.

Cockpit terminal

You can also use another terminal client, such as ssh, and log in to the appliance with your management interface username and password.

Update the TLS Secret​

Switch to the root user:

sudo su -

Make sure the new full chain certificate and private key are available on the appliance, for example as:

  • /root/tls.crt
  • /root/tls.key

Update the existing Kubernetes TLS secret with the following command:

kubectl create secret tls tls-secret \
  --cert=/root/tls.crt \
  --key=/root/tls.key \
  -n nomadesk \
  --dry-run=client -o yaml | kubectl apply -f -

If the certificate and key are valid, the updated certificate should be applied automatically.
If the change is not applied immediately, restart the appliance and verify the certificate again.