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Main / Syslog
Messages are written to /var/log/syslog but there could be another log file in this folder specific to your application or daemon. To that other file could go std in/out/err re-directs. https://linux.die.net/man/3/setlogmask
// set log mask and open log
//setlogmask (LOG_UPTO (SYSLOGLEVEL));
openlog (DAEMON_NAME,
LOG_CONS | LOG_PID | LOG_NDELAY,
LOG_USER);
syslog(LOG_NOTICE, "Starting Daemon");
Levels, decreasing importance, so LOG_UPTO logs everything at and below the given level:
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