1.node command example
> var _redis = require("redis")
undefined
> var redis = _redis.createClient({auth_pass :"123456"}); //auth to redis with password 1234
undefined
> redis.set("name","ydev")
true
> redis.get("name")
true
2. config and startup redis
setup redis: config password, maxhead and maxmemory;note it the maxmemory must be larger than maxheap
requirepass 123456
maxheap 10240000
maxmemory 20480000
start up redis with configfile:
redis-server redis.conf
http://www.nodejs.net/a/20130128/105909.html
https://www.npmjs.com/package/redis
原文：http://www.cnblogs.com/zyip/p/4189786.html