About Computer57 MySQL Tips Issues IssueNo firewall, no port used, but changing port to 9906 didn’t work. I’m on CentOS 5.9 1 2 3 [ERROR] Can't start server: Bind on TCP/IP port: Permission denied [ERROR] Do you already have another mysqld server running on port: 9906 ? [ERROR] Aborting Solution 1 sudo /usr/sbin/semanage port -a -t mysqld_port_t -p tcp 9906 2023. 5. 16. How to create simple / fast socket server in bash Use “nc” command.1$ nc -k -l {port} > {output.filename}(ex) $ nc -k -l 1818 > output.file 2016. 3. 9. How to find log directory of storm nimbus / supervisor (worker) See the command argument of nimbus (or supervisor) 1 2 3 4 5 $ ps aux | grep nimbus or $ ps aux | grep supervisor Search storm.log.dir in the command argument 1 -Dstorm.log.dir=/opt/storm/apache-storm-0.9.6/logs 2016. 1. 26. Kafka Error : Failed to send requests for topics test with correlation ids in [0,12] Error Msg1234567891011Exception in thread "main" kafka.common.FailedToSendMessageException: Failed to send messages after 3 tries.at kafka.producer.async.DefaultEventHandler.handle(DefaultEventHandler.scala:90)[2016-01-15 17:18:25,759] ERROR Failed to send requests for topics test with correlation ids in [0,12] (kafka.producer.async.DefaultEventHandler:97)at kafka.producer.Producer.send(Producer.. 2016. 1. 15. 이전 1 2 3 4 ··· 15 다음