Troubleshooting issues while installing DCOS on ubuntu 16.04

Case 1 : Getting swap error while executing command "docker info"

Fix :

Follow the instructions provided on this page and reboot the vm. When you do "docker info" again after reboot, the error should no more appear.

Case 2 : 53 or any other port already in use

Fix :

Follow the instructions provided on this page. If you find difficult to kill the process on port 53 due to zombie process of dns. Please check this document to kill the process

Case 3 :

If the installation script for DCOS fails, it will provide your the reason why it failed. It may be due to one the checks failed. Ensure you fix the respective check and try the installation again. In case it says, cannot install again as already installed. You can un install and then try again.

Case 4 : Check the below logs for issue/errors

tail -f /var/log/syslog

journalctl -xn