My zppy repo is no longer online and for some reason I removed the module from GitHub (it must have had a large flaw in it), so it is no longer available. I recommend to install it as per it's official website's instructions as a new website in Sentora.
I do not know if Adminer works with PostgreSQL and Sentora has only been tested using MySQL.
I do not know if Adminer works with PostgreSQL and Sentora has only been tested using MySQL.
Before posting, update your profile with your OS, Sentora version and server type!