2 ms·

Unless you need two such programs on the same machine, in which case they need to coordinate somehow. Perhaps by having a third service which hands out the ids

by db48x 9y ago

Unless you need two such programs on the same machine, in which case they need to coordinate somehow. Perhaps by having a third service which hands out the ids as needed.

JdeBP 9y ago
... or by having a shared-memory account database in a tmpfs at /run/systemd/dynamic-uid/ . (-: That idea, by the way, was invented more fully and more generally about a decade and a half ago by Daniel Rench, who named it "userdir".