var RedisStore = require('connect-redis')(express);

  app.use(express.session({
    store: new RedisStore({
      host: cfg.redis.host,
      db: cfg.redis.db
    }),
    secret: 'meow'
  }));


//after login:
      req.session.userid = user._id;

sudo update-rc.d -f mongodb defaults
update-rc.d: using dependency based boot sequencing
insserv: warning: script 'K01redis_6379' missing LSB tags and overrides
insserv: warning: script 'redis_6379' missing LSB tags and overrides

# chkconfig: - 58 74
# description: redis_6379 is the redis daemon.
### BEGIN INIT INFO
# Provides: redis_6379
# Required-Start:    $network $remote_fs $local_fs
# Required-Stop:     $network $remote_fs $local_fs
# Default-Start:     2 3 4 5
# Default-Stop:      0 1 6
# Short-Description: start and stop redis_6379
# Description: Redis daemon
### END INIT INFO