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I thought you just rely on rsyslog or journald for this stuff...

• ninkendo 5y ago
  Right? Logs are streams, not files. To a first approximation, you should just log to standard out, and let another system take care of sending your output to either a file (with rotation) or logstash, or syslog, or a whatever else is appropriate. To a second approximation (if you’re already using stdout for something else), the thing you’re logging to should still be a file descriptor, but not a file per se. (perhaps a local socket to a logging system like syslog.) I don’t need everything on my system that logs, to invent its own log output directory, and implement its own log rotation. That’s how you get a mishmash of different places where logs end up living, and they become very difficult to collate or compare, etc.
• christophilus 5y ago
  You do. None of the logging libraries I’ve used in the past 5 years even have log rotation as a feature, from what I can tell.