we are finishing merging one big and one small TeamCity into one big instance. Meanwhile we'd like to keep that small one alive for a while.
The question is if it's possible to switch the instance to read-only mode keeping the same permissions and user access settings, without shuffling any build agents conditions and so on? Just put whole TeamCity server to RO mode.
I wonder as well if adding this param will work in this case and for TC 2019.1.5 (both servers above are independent, the small one is running on Linux):
"In 2018.1.x, add additional arguments to the TEAMCITY_SERVER_OPTS environment variable: