远程连接redis并给redis加锁
远程连接redis并给redis加锁 假设两台redis服务器,ip分别为:192.168.1.101和192.168.1.103,如何在101上通过redis-cli访问103上的redis呢?在远程连接103之前,先讲下redis-cli的几个关键参数: www.2cto.com 用法:redis-cli [OPTIONS] [cmd [arg [arg ..
远程连接redis并给redis加锁
假设两台redis服务器,ip分别为:192.168.1.101和192.168.1.103,如何在101上通过redis-cli访问103上的redis呢?在远程连接103之前,先讲下redis-cli的几个关键参数:
www.2cto.com
用法:redis-cli [OPTIONS] [cmd [arg [arg ...]]]
-h ,默认是127.0.0.1
-p ,默认是6379
-a ,如果redis加锁,需要传递密码
--help,显示帮助信息
通过对rendis-cli用法介绍,在101上连接103应该很简单:
[plain]
[root@xsf001 ~]# redis-cli -h 192.168.1.103 -p 6379
redis 192.168.1.103:6379>
在101上对103设置个个string值 user.1.name=zhangsan
[plain]
redis 192.168.1.103:6379> set user.1.name zhangsan
OK
看到ok,表明设置成功了。然后直接在103上登陆,看能不能获取到这个值。
[plain]
[root@xsf003 utils]# redis-cli
redis 127.0.0.1:6379> get user.1.name
"zhangsan"
木错吧,确实是zhangsan,这说明101上连的是103上的redis服务器。当然能够成功连接103是有基本条件的,101上可以喝103上的6379端口通信。 www.2cto.com
人人都可以连接redis服务器是很危险的,我们需要给103上的redis设置个密码,怎么设置呢,需要编辑redis的配置文件/etc/redis/6379.conf
[plain]
[root@xsf003 utils]# vim /etc/redis/6379.conf
找到# requirepass foobared 去掉前面的注释#,并把foobared 替换为你自己的密码:hi, coder
[plain]
requirepass "hi, coder"
保存配置文件之后,重启redis服务
[plain]
[root@xsf003 utils]# /etc/init.d/redis_6379 stop
Stopping ...
Waiting for Redis to shutdown ...
Redis stopped
[root@xsf003 utils]# /etc/init.d/redis_6379 start
Starting Redis server...
101上重新连接103并获取user.1.name的值
[plain]
[root@xsf001 ~]# redis-cli -h 192.168.1.103 -p 6379
redis 192.168.1.103:6379> get user.1.name
(error) ERR operation not permitted
redis 192.168.1.103:6379>
为什么是error呢,当然是因为连接103时没传递密码了,退出重新连
[plain]
redis 192.168.1.103:6379> quit
[root@xsf001 ~]# redis-cli -h 192.168.1.103 -p 6379 -a "hi, coder"
redis 192.168.1.103:6379> get user.1.name
"zhangsan"
看到zhangsan,说明你已经连接成功了。

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