What is the correct way to start a mongod service

Question

I've installed mongodb and have been able to run it, work with it, do simple DB read / write type stuff. Now I'm trying to set up my Mac to run mongod as a service.

I get "Command not found" in response to:

 init mongod start

In response to:

~: service mongod start
service: This command still works, but it is deprecated. Please use launchctl(8) instead.
service: failed to start the 'mongod' service

And if I try:

~: launchctl start mongod
launchctl start error: No such process

So obviously I'm blundering around a bit. Next step seems to be typing in random characters until something works. The command which does work is: mongod --quiet & I'm not sure, maybe that is the way you're supposed to do it? Maybe I should just take off 'quiet mode' and add > /logs/mongo.log to the end of the command line?

I'm building a development environment on a Mac with the intention of doing the same thing on a linux server. I'm just not sure of the Bash commands. All the other searches I do with trying to pull up the answer give me advice for windows machines.

Perhaps someone knows the linux version of the commands?

Thanks very much

Answer 1

mongod wasn't working to start the daemon for me but after I ran the following, it started working:

'mongod --fork --logpath /var/log/mongodb.log'

(from here: https://docs.mongodb.com/manual/tutorial/manage-mongodb-processes/)

Answer 2

With recent builds of mongodb community edition, this is straightforward.

When you install via brew, it tells you what exactly to do. There is no need to create a new launch control file.

$ brew install mongodb
==> Downloading https://homebrew.bintray.com/bottles/mongodb-3.0.6.yosemite.bottle.tar.gz ### 100.0%
==> Pouring mongodb-3.0.6.yosemite.bottle.tar.gz
==> Caveats
To have launchd start mongodb at login:
  ln -sfv /usr/local/opt/mongodb/*.plist ~/Library/LaunchAgents
Then to load mongodb now:
  launchctl load ~/Library/LaunchAgents/homebrew.mxcl.mongodb.plist
Or, if you don't want/need launchctl, you can just run:
  mongod --config /usr/local/etc/mongod.conf
==> Summary
                                                                    

                                                        
            

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Answer 3

On macOS 10.13.6 with MongoDB 4.0

I was unable to connect to localhost from the mongo shell

I started MongoDB with:

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

I found that the 'mongod.conf' had:

bindIp: 127.0.0.1

Change my JavaScript connection from localhost to 127.0.0.1 and it worked fine.

The same was occurring with MongoDB Compass too.

Answer 4

Edit: you should now use brew services start mongodb, as in Gergo's answer...

When you install/upgrade mongodb, brew will tell you what to do:

To have launchd start mongodb at login:

    ln -sfv /usr/local/opt/mongodb/*.plist ~/Library/LaunchAgents

Then to load mongodb now:

    launchctl load ~/Library/LaunchAgents/homebrew.mxcl.mongodb.plist

Or, if you don't want/need launchctl, you can just run:

    mongod

It works perfectly.

Answer 5

Just installed MongoDB via Homebrew. At the end of the installation console, you can see an output as follows:

To start mongodb:

brew services start mongodb

Or, if you don't want/need a background service you can just run:

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

So, brew services start mongodb, managed to run MongoDB as a service for me.

Answer 6

Homebrew's services tap integrates formulas with the launchctl manager. Adding it is easy:

brew tap homebrew/services

You can then launch MongoDB with this command (this will also start mongodb on boot):

brew services start mongodb

You can also use stop or restart:

brew services stop mongodb
brew services restart mongodb