How to Unlink a System from Central in SynetoOS 5

Written By Christian Castagna (Administrator)

Updated at October 22nd, 2025

Table of Contents

Via GUI Via CLI

→ Applies to: SynetoOS 5.x

Via GUI

Step 1. Login to SynetoOS GUI

https://<your_ip_address_or_hostname>

Step 2. From System menu, click on About

Step 3. Click on Unlink

Step 4. Login to SynetoOS GUI

https://<your_ip_address_or_hostname>

Step 5. After login, you will be prompted to re-link your system to Syneto Central platform

Step 1. Connect to SynetoOS appliance via SSH as admin

ssh admin@<your_ip_address_or_hostname>

Step 2. Get root privileges

sudo su -

Step 3. Delete services from database

kubectl exec postgres-postgresql-0 -- /bin/bash -c 'export PGPASSWORD=$POSTGRES_PASSWORD && psql -U postgres -d mercurio -c "DELETE FROM services;" '

Step 4. Remove Syneto Central authentication token

rm -rf /var/storage/central.token

Step 5. Delete related application-based pods instances

kubectl delete pod -l app=mercurio

Step 6. Login to SynetoOS GUI

https://<your_ip_address_or_hostname>

Step 7. After login, you will be prompted to re-link your system to Syneto Central platform