简单Redis搭建

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Redis下载、安装

 wget http://download.redis.io/releases/redis-3.2.2.tar.gz tar xzf redis-3.2.2.tar.gz cd redis-3.2.2 make

编译完成后生成的二进制文件在src目录，包括：

mkreleasehdr.shredis-benchmarkredis-check-aofredis-check-rdbredis-cliredis-sentinelredis-serverredis-trib.rb

进入src目录，执行redis-server命令即可启动Redis服务。通过自带的redis-cli命令行工具可以连接本地的redis与之交互。

./redis-cliredis> set test sarollOKredis> get test "saroll"

一个简单的Redis服务就搭建完毕了。

Redis有一个配置文件redis.conf，可以自定义修改Redis auth开关及密钥、log文件、工作目录等。

编译后的Redis二进制文件可以copy后在多台机器上复用。
例如，
1）创建一个Redis目录，包括：bin、conf、data、logs，4个子目录，将之前编译生成的二进制文件copy到bin目录，redis.conf 配置文件copy到conf目录；
2）修改配置文件，如下：

port 6379             ----端口号pidfile ../redis_6379.pid  ----pid文件logfile ../logs/redis.log  ----日志文件dir ../data/               ----工作目录protected-mode no          ----保护模式requirepass password       ----鉴权密钥# bind 127.0.0.1

3）启动

./redis-server ../conf/redis.conf

问题：
1）如果出现Connection refused，请检查bind配置项是否限制了ip访问

Caused by: redis.clients.jedis.exceptions.JedisConnectionException: java.net.ConnectException: Connection refused

2）如果出现如下错误，检查protected-mode、requirepass是否和实现一致

Caused by: redis.clients.jedis.exceptions.JedisDataException: DENIED Redis is running in protected mode because protected mode is enabled, no bind address was specified, no authentication password is requested to clients. In this mode connections are only accepted from the loopback interface. If you want to connect from external computers to Redis you may adopt one of the following solutions: 1) Just disable protected mode sending the command 'CONFIG SET protected-mode no' from the loopback interface by connecting to Redis from the same host the server is running, however MAKE SURE Redis is not publicly accessible from internet if you do so. Use CONFIG REWRITE to make this change permanent. 2) Alternatively you can just disable the protected mode by editing the Redis configuration file, and setting the protected mode option to 'no', and then restarting the server. 3) If you started the server manually just for testing, restart it with the '--protected-mode no' option. 4) Setup a bind address or an authentication password. NOTE: You only need to do one of the above things in order for the server to start accepting connections from the outside.

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