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Add caution in system+semaphore #13035
Also, RemoveIPC=yes is the default value on some Linux distributions, I don't know what you mean by
I think it is a system wide parameter? (but I am not 100% sure of this).
Finally, I do not think it is related to cron, I just tested it with cron, and people in the original thread were all using a cron. So I wrote explanations for their cases. You just need to have a user that logs in and logs out for systemd to trigger the removal of IPC resources.
I hope it is clearer ?
I can try to reproduce it without a cron if you want.