We are running Mathematica 11.1 on a remote Linux box that has a pretty locked-down set of ports (enough for SSH and not a whole heck of a lot else), and it keeps trying to update things in the paclet manager, especially when we launch subkernels. This times out (which slows things down annoyingly), and we have a batch workflow set up in a way that makes the generated message very inconvenient.
Is there a way to just turn off the attempts to do the updates? I'm not even sure why it's being done for subkernels in the first place.
UPDATE: After poking around a bit more, I think the issue has something to do with the master kernel deciding to do a paclet update right after
LaunchKernels is called; all the subkernels have the
-nopaclet command line option, as they should, but starting the master kernel with
wolfram -nopaclet causes the error and error message to go away.