Note :
- Nagios gives you details about which service is down
- Based on which service is down you troubleshoot based using below methods
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| Info |
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The list of services, log file locations and databases used are listed in this page. |
Service Running
- Run this command "sudo service [service-name] status"
- if the response is "[service-name] is not running". Just restart the server by running " sudo service [service-name] restart"
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- Run this command "sudo service cassandra status" and you get response as "Output:Cassandra dead but pid file exists."
- Remove the dead pid file by running the command "rm /var/run/cassandra/cassandra.pid"
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