brew install homebrew/versions/mongodb24

mongod --config /usr/local/etc/mongod.conf

error command line: unrecognized line in 'systemLog:'

systemLog:
  destination: file
  path: /usr/local/var/log/mongodb/mongo.log
  logAppend: true
storage:
  dbPath: /usr/local/var/mongodb
net:
  bindIp: 127.0.0.1