Kill a postgresql session/connection

Question

How can I kill all my postgresql connections?

I\'m trying a rake db:drop but I get:

ERROR:  database \"database_name\" is being accessed         


        

Answer 1

Easier and more updated way is:

1. Use ps -ef | grep postgres to find the connection #
2. sudo kill -9 "#" of the connection

Note: There may be identical PID. Killing one kills all.