```

,"s":"I",  "c":"CONTROL",  "id":23330,   "ctx":"main","msg":"ERROR: Cannot write pid file to {path_string}: {errAndStr_second}","attr":{"path_string":"/var/run/mongodb/mongod.pid","errAndStr_second":"No such file or directory"}}

```

mongod.conf

```

1. mongod.conf

1. for documentation of all options, see:
2.   http://docs.mongodb.org/manual/reference/configuration-options/

1. where to write logging data.
   systemLog:
     destination: file
     logAppend: true
     path: /var/log/mongodb/mongod.log

1. Where and how to store data.
   storage:
     dbPath: /var/lib/mongo
     journal:
       enabled: true
2.  engine:
3.  wiredTiger:

1. how the process runs
   processManagement:
     fork: true  # fork and run in background
     pidFilePath: /var/run/mongodb/mongod.pid  # location of pidfile
     timeZoneInfo: /usr/share/zoneinfo

1. network interfaces
   net:
     port: 27017
     bindIpAll: true

security:
  authorization:
    enabled
  keyFile: /etc/ssl/mongo_replica.key
#operationProfiling:

replication:
  replSetName: xxxx

#sharding:

1. 1. Enterprise-Only Options

#auditLog:

#snmp:

```

OS: CentOS 7