Attach this ISO-file into your dedicated server and reboot it:
💻 The reset
Connect with a remote console of your like, to your dedicated server.
The server does automatically go through the reset process
⚠️ The reset can not be undone
Your server is now overwriting all storage devices, there will be no data left in the end. Depending on the size of your ssd this process can take 45 minutes to 2 hours.