Question

Adding new IP address in mongod.conf in bindIp doesn't work

Ubuntu: 20.04 MongoDB: 4.4.1

I was following this tutorial (https://www.digitalocean.com/community/tutorials/how-to-configure-remote-access-for-mongodb-on-ubuntu-20-04) and I have a problem with adding new IP address in the bindIp property.

I tried same thing as it is in the tutorial but it doesn’t work:

net:
  port: 27017
  bindIp: 127.0.0.1,there_is_my_ip

I was looking for the answer and trying other options like [127.0.0.1,there_is_my_ip] or "127.0.0.1,there_is_my_ip" but none of these work for me.

After adding new IP with any of these options my MongoDB server fails to start.

What should I do?

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Accepted Answer

Hi there @PtakWarsawExpo,

I’ve just tested this on a fresh new Ubuntu 20 Droplet with MongoDB 4.4 and it seems to be working as expected. My configuration is:

# network interfaces
net:
  port: 27017
  bindIp: 127.0.0.1,droplet_ip_address

What is the exact error that you get when you try to start MongoDB?

Also did you follow the prerequisites and install MongoDB 4.4:

https://www.digitalocean.com/community/tutorials/how-to-install-mongodb-on-ubuntu-20-04

If you used the default MongoDB from the apt repository, it would mean that you have MongoDB 3.x installed.

To verify that you can run:

  1. mongod -v | grep -i version

Hope that this helps and let me know how it goes. Regards, Bobby

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