serene% mongo --port 14420                                                                 
MongoDB shell version v4.4.0-rc10
connecting to: mongodb://127.0.0.1:14420/?compressors=disabled&gssapiServiceName=mongodb
Implicit session: session { "id" : UUID("11903d9e-d115-4135-bdc8-258d83dab610") }
MongoDB server version: 4.4.0-rc10
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The server generated these startup warnings when booting: 
        2020-06-23T04:47:32.625-04:00: Access control is not enabled for the database. Read and write access to data and configuration is unrestricted
        2020-06-23T04:47:32.625-04:00: This server is bound to localhost. Remote systems will be unable to connect to this server. Start the server with --bind_ip <address> to specify which IP addresses it should serve responses from, or with --bind_ip_all to bind to all interfaces. If this behavior is desired, start the server with --bind_ip 127.0.0.1 to disable this warning
        2020-06-23T04:47:32.625-04:00: /sys/kernel/mm/transparent_hugepage/enabled is 'always'. We suggest setting it to 'never'
        2020-06-23T04:47:32.625-04:00: Soft rlimits too low
        2020-06-23T04:47:32.625-04:00:         currentValue: 2000
        2020-06-23T04:47:32.625-04:00:         recommendedMinimum: 64000
---