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  • centos7下编译安装redis5.05

    准备环境:

      1、一台centos7机器,配置没有什么要求(能联网)

      2、下载好redis压缩包

    下载redis包:

      1、登录redis官网:

      https://redis.io/download

      2、选择适合自己用的版本,一定要下载稳定版,不推荐下载最新版本

      我这里就下载5.05版本作为案例:

      

    下载其它版本:

      

     其它历史版本需要在google code上下载

    官方的安装教程:

     我这边直接按照提供操作步骤安装出现报错:

      解压安装包到/usr/local目录下

      进入解压目录:

      执行编译:

        提示未找到gcc命令:

    解决办法安装gcc命令:

    # yum -y install gcc

     gcc安装完成后从新执行make编译命令:

      又出现报错:

      

    根据redis4.0的安装命令添加MALLOC=libc:

    # make MALLOC=libc

      执行成功:

    安装:

    # make install

    二、启动redis的三种方式:

    切换到redis的src目录下:

    [root@yzn redis-5.0.5]# cd src/

    1、直接启动redis

    [root@yzn src]# ./redis-server 
    12670:C 08 Jul 2019 15:17:07.387 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
    12670:C 08 Jul 2019 15:17:07.387 # Redis version=5.0.5, bits=64, commit=00000000, modified=0, pid=12670, just started
    12670:C 08 Jul 2019 15:17:07.387 # Warning: no config file specified, using the default config. In order to specify a config file use ./redis-server /path/to/redis.conf
    12670:M 08 Jul 2019 15:17:07.389 * Increased maximum number of open files to 10032 (it was originally set to 1024).
                    _._                                                  
               _.-``__ ''-._                                             
          _.-``    `.  `_.  ''-._           Redis 5.0.5 (00000000/0) 64 bit
      .-`` .-```.  ```/    _.,_ ''-._                                   
     (    '      ,       .-`  | `,    )     Running in standalone mode
     |`-._`-...-` __...-.``-._|'` _.-'|     Port: 6379
     |    `-._   `._    /     _.-'    |     PID: 12670
      `-._    `-._  `-./  _.-'    _.-'                                   
     |`-._`-._    `-.__.-'    _.-'_.-'|                                  
     |    `-._`-._        _.-'_.-'    |           http://redis.io        
      `-._    `-._`-.__.-'_.-'    _.-'                                   
     |`-._`-._    `-.__.-'    _.-'_.-'|                                  
     |    `-._`-._        _.-'_.-'    |                                  
      `-._    `-._`-.__.-'_.-'    _.-'                                   
          `-._    `-.__.-'    _.-'                                       
              `-._        _.-'                                           
                  `-.__.-'                                               
    
    12670:M 08 Jul 2019 15:17:07.391 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
    12670:M 08 Jul 2019 15:17:07.391 # Server initialized
    12670:M 08 Jul 2019 15:17:07.391 # WARNING overcommit_memory is set to 0! Background save may fail under low memory condition. To fix this issue add 'vm.overcommit_memory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.overcommit_memory=1' for this to take effect.
    12670:M 08 Jul 2019 15:17:07.391 # WARNING you have Transparent Huge Pages (THP) support enabled in your kernel. This will create latency and memory usage issues with Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transparent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to retain the setting after a reboot. Redis must be restarted after THP is disabled.
    12670:M 08 Jul 2019 15:17:07.391 * Ready to accept connections

    如图:redis启动成功,但是这种凡是需要一直打开窗口,不能进行其他操作,不方便

    ctrl+c可以关闭程序

    2、以后台进程方式启动redis

    第一步:修改redis.conf文件

    daemonize参数:
    
          redis.conf配置文件中daemonize守护进程,默认是NO。
          daemonize是用来指定redis是否要用守护进程的方式启动
    daemonize设置yes或者no的区别:   daemonize:yes:redis采用的是单进程多线程的模式,当redis.conf中选项daemonize参数为yes时,代表开启守护进程模式,该模式下,redis会在后台运行,并将进程pid号写入到redis.conf选项pidfile设置的文件中,此时redis将一直运行,除非手动kill该进程。   daemonize:no:当daemonize选项设置为no时,当前界面将进入redis的命令界面,exit强制退出或者关闭连接工具(putty、xshell等工具)都会导致redis进程退出

    redis的配置文件在redis的主目录下:

      文件名:redis.conf

    编辑文件:

      # vim redis.conf

     

    我们修改为yes:

    绑定地址(默认仅主机可连接,修改为任意主机可以连接):

    第二步:指定redis.conf文件启动

    [root@yzn redis-5.0.5]# /usr/local/redis-5.0.5/src/redis-server /usr/local/redis-5.0.5/redis.conf 

    12706:C 08 Jul 2019 15:33:16.232 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
    12706:C 08 Jul 2019 15:33:16.233 # Redis version=5.0.5, bits=64, commit=00000000, modified=0, pid=12706, just started
    12706:C 08 Jul 2019 15:33:16.233 # Configuration loaded

     

    查看程序是否启动

    这里我们看到已经后台运行了,注意这里监听的地址为127.0.0.1:6379也就是只能本机连接需要局域网其它设别连接我们需要再修改配置文件修改bind参数

    使用kill杀死进程:

      # kill 12707

     # 注意:这里的12707是进程id号,在ps命令中查到的

    3、设置redis开机自启:

       第一步、添加开机启动服务:

      [root@yzn ~]# vim /etc/systemd/system/redis-server.service  #文件不存在要编辑创建

      

    
    

    [Unit]
    Description=The redis-server Process Manager
    After=syslog.target network.target

    
    


    [Service]
    Type=forking
    PIDFile=/var/run/redis_6379.pid
    ExecStart=/usr/local/redis-5.0.5/src/redis-server /usr/local/redis-5.0.5/redis.conf
    PrivateTmp=True

    
    

    [Install]
    WantedBy=multi-user.target

    设置为开机启动:

    # systemctl daemon-reload

    启动服务

    # systemctl start redis-server

    # 注:暂时没有添加暂停服务,后续会添加上

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  • 原文地址:https://www.cnblogs.com/yangzhaon/p/11152315.html
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