As fqdn could be longer than 60 characters in some cases, causing the cluster node to not start.
tests:
Finished in 3 minutes 30.9 seconds (files took 6.55 seconds to load)
1213 examples, 0 failures
This avoids an issue with latest puppet agent
But is not needed anyhow, as a minimal value of 0 already means wait indefinitely
Fixes #418
modulesync 9.2.0
Services started with systemd on CentOS 7, and possibly other platforms ignore ulimit unless the LimitNOFILE
parameter is set in the systemd unit file.
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