Anyone help me, thanks.

Nodebb not started, I get an this error;

22/10 06:49 [6689] - info: Time: Thu Oct 22 2015 06:49:19 GMT-0400 (EDT)
22/10 06:49 [6689] - info: Initializing NodeBB v0.8.2
22/10 06:49 [6689] - error: Error: Redis connection to localhost:6379 failed - connect ECONNREFUSED
at RedisClient.flush_and_error (/home/mehmet/mynodebb/node_modules/redis/index.js:142:13)
at RedisClient.on_error (/home/mehmet/mynodebb/node_modules/redis/index.js:180:10)
at Socket.<anonymous> (/home/mehmet/mynodebb/node_modules/redis/index.js:95:14)
at Socket.emit (events.js:95:17)
at net.js:441:14
at process._tickCallback (node.js:448:13)

How can I solve this problem