Hi @localhost and welcome to the community forums 
The forum system automatically flagged your posts as spam:
This new user tried to create multiple posts with links to the same domain. All posts from this user that include links should be reviewed.
You only signed up a couple of hours ago and have posted and created multiple topics including links. I have restored your posts.
Regarding your original question:
As explained in the help article, you posted, the client-specific data.json is edited and then used as a template to get re-distributed via other software deployment solutions. For example, jamf or other MDM solutions that work on Linux.
If this is meant to be done once, on one machine, then you can enter the environment URL(s) in the desktop client and these will be persisted for future use. More info on that can be found here: https://bitwarden.com/help/change-client-environment/
Kind regards,
Daniel