centos7 安装 redis5
文档
安装开发工具
1yum groupinstall 'Development Tools' -y
下载 redis
1wget http://download.redis.io/releases/redis-5.0.9.tar.gz
解压到 /data 目录下
1tar -zxf redis-5.0.9.tar.gz -C /app
编译
1cd /app/redis-5.0.9
2make
安装
1make install
上述为默认安装，将会把编译得到的可执行文件拷贝到/usr/local/bin目录下。
如果要指定安装目录，可指定PREFIX参数，如：
1make PREFIX=/app/redis-5.0.9 install
如果上一步安装指定了安装目录，强烈建议设置环境变量
在 /etc/profile 末尾添加：
1export PATH=$PATH:/app/redis-5.0.9/bin
运行 redis
1redis-server /app/redis-5.0.9/redis.conf
在没有修改 redis.conf 的情况下，redis-cli 只能本地 localhost (127.0.0.1）访问，而不能远程访问：
1(error) 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 lookback 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 --portected-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.
上面说是说处于保护模式，只能本地链接。
所以我们需要修改配置文件 redis.conf
去掉IP绑定
把
1bind 127.0.0.1
改为
1# bind 127.0.0.1
以守护进程的方式运行 Redis
把
1daemonize no
改为
1daemonize yes
关闭保护模式
把
1protected-mode yes
改为
1protected-mode no
设置密码(如果需要)
找到
1# requirepass foobared
将注释去掉，修改 foobared 为自己想要的密码，如：
1requirepass 123456
修改后，重新运行 redis-server 命令即可远程访问。
停止 redis 服务
1redis-cli -p 3306 shutdown
设置 redis 作为系统服务并开机启动
开机启动脚本
1vim /usr/lib/systemd/system/redis.service
内容如下：
1[Unit]
2Description=Redis Server
3After=network.target
4
5[Service]
6Type=forking
7PIDFile=/var/run/redis_6379.pid
8ExecStart=/usr/local/redis/src/redis-server /usr/local/redis/redis.conf
9ExecReload=/bin/kill -s HUP $MAINPID
10ExecStop=/bin/kill -s QUIT $MAINPID
11PrivateTmp=true
12
13[Install]
14WantedBy=multi-user.target
重载系统服务
1systemctl daemon-reload
启动 redis
1systemctl start redis
开机自启 redis
1systemctl enable redis
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