Using the official AMI containing WombatOAM
We build AMIs from Wombat. Please get in touch at wombat@erlang-solutions.com if you have no access to them.
When starting the Wombat AMI you should put the instance into a Security Group which has the 80 and 443 ports open to be able to open the Web dashboard in your browser.
Once you have started the AMI, Wombat should be up and running. Try connecting to the public IP of the instance in your browser. It will present a self-signed certificate which is advised to be changed.
By default Wombat is started as wombat@SHORT_HOSTNAME_OF_MACHINE, for example
wombat@ip-172-30-3-248. You can use this hostname to add Wombat to itself by using
the cookie wombat.
You can check the status of Wombat by running:
1 2 3 | |
You can find the password for the Wombat Web Dashboard in the /home/centos/Wombat_README.md
file.
If you want to change the Erlang Distribution Network Interface in Wombat, open
the /etc/default/wombat file and change the WOMBAT_NODENAME environment variable.
Please note that changing the node name will create an empty Wombat instance.
Use the command sudo service wombat stop before changing the node name.
If you can not add nodes to Wombat please check if TCP connections can be created between the nodes, for further information check the section Configuration/Opening firewall ports. You may have to configure EC2 Security Groups and iptables as well.
Make sure EPMD is not open to the world. It's advised to use a whole separate network for communication between Erlang nodes.
All Wombat user data is saved to the directory /wombat-data.