/opt/gitlab/embedded/bin/redis-cli Connection refused

root@dev-centos3 bin]# /opt/gitlab/embedded/bin/redis-cli
Could not connect to Redis at 127.0.0.1:6379: Connection refused
not connected> info

I want to run 'redis info'.How can I do?

My /opt/gitlab/embedded/service/gitlab-rails/config/resque.yml is

'production: unix:/var/opt/gitlab/redis/redis.socket'