启动Mosquitto后,我们可以看到Mosquitto的启动日志: 1515307521: mosquitto version 1.4.12 (build date 2017-06-01 13:03:46+0000) starting 1515307521: Config loaded from /mosquitto/conf/mosquitto.conf. 1515307521: Opening ipv4 listen socket on port 1883. 1515307521: Ope
MySQL错误日志是记录MySQL 运行过程中较为严重的警告和错误信息,以及MySQL每次启动和关闭的详细信息.错误日志的命名通常为hostname.err.其中,hostname表示服务器主机名. The error log contains information indicating when mysqld was started and stopped and also any critical errors that occur while the server is running.