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Redis4.0.0 安装及配置 (Linux — Centos7)

2017-07-17 16:27 567 查看
操作系统:Linux

Linux发行版:Centos7

安装

下载地址,点这里Redis4.0.0.tar.gz

或者使用命令:

wget http://download.redis.io/releases/redis-4.0.0.tar.gz[/code] 
然后执行make编译源码:

tar xzf redis-4.0.0.tar.gz

cd redis-4.0.0

make

src/redis-server

测试效果:

src/redis-cli ping

PONG

src/redis-cli

redis> set foo bar

OK

redis> get foo

“bar”

make命令执行完成后,会在src目录下生成6个可执行文件,分别是
redis-server、redis-cli、redis-benchmark、redis-check-aof、redis-check-dump、redis-sentinel


redis-server is the Redis Server itself.(Redis服务器本身)

redis-sentinel is the Redis Sentinel executable (monitoring and failover).(Redis集群的管理工具)

redis-cli is the command line interface utility to talk with Redis.(与Redis进行交互的命令行客户端)

redis-benchmark is used to check Redis performances.(Redis性能测试工具)

redis-check-aof and redis-check-dump are useful in the rare event of corrupted data files.(AOF文件修复工具和RDB文件检查工具)

使用如下命令,把redis-server和redis-cli拷贝到合适的位置(/usr/local/bin/):

sudo cp src/redis-server /usr/local/bin/
sudo cp src/redis-cli /usr/local/bin/


或者,使用 sudo make install可以把6个文件都拷贝过去;

这样的话,只要/usr/local/bin/在PATH环境变量里,

[root@VM_199_48_centos ~]# echo $PATH

/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin


我们就可以直接使用redis-server和redis-cli而不需要指定全路径了。比如:

[root@localhost ~]# redis-server
12408:C 16 Jul 21:30:29.657 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
12408:C 16 Jul 21:30:29.657 # Redis version=4.0.0, bits=64, commit=00000000, mod                                                                             ified=0, pid=12408, just started
12408:C 16 Jul 21:30:29.657 # Warning: no config file specified, using the defau                                                                             lt config. In order to specify a config file use redis-server /path/to/redis.con                                                                             f
12408:M 16 Jul 21:30:29.658 * Increased maximum number of open files to 10032 (i                                                                             t was originally set to 1024).
_._
_.-``__ ''-._
_.-``    `.  `_.  ''-._Redis 4.0.0(00000000/0) 64 bit
.-`` .-```.  ```\/    _.,_ ''-._
(    '      ,       .-`  | `,    )Running in standalone mode
|`-._`-...-` __...-.``-._|'` _.-'|     Port: 6379
|    `-._   `._    /     _.-'    |     PID: 12408
`-._    `-._  `-./  _.-'    _.-'
|`-._`-._    `-.__.-'    _.-'_.-'|
|    `-._`-._        _.-'_.-'    |     http://redis.io `-._    `-._`-.__.-'_.-'    _.-'
|`-._`-._    `-.__.-'    _.-'_.-'|
|    `-._`-._        _.-'_.-'    |
`-._    `-._`-.__.-'_.-'    _.-'
`-._    `-.__.-'    _.-'
`-._        _.-'
`-.__.-'

12408:M 16 Jul 21:30:29.663 # WARNING: The TCP backlog setting of 511 cannot be                                                                              enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
12408:M 16 Jul 21:30:29.663 # Server initialized
12408:M 16 Jul 21:30:29.663 # WARNING overcommit_memory is set to 0! Background                                                                              save may fail under low memory condition. To fix this issue add 'vm.overcommit_m                                                                             emory = 1' to /etc/sysctl.conf and then reboot or run the command 'sysctl vm.ove                                                                             rcommit_memory=1' for this to take effect.
12408:M 16 Jul 21:30:29.664 # WARNING you have Transparent Huge Pages (THP) supp                                                                             ort enabled in your kernel. This will create latency and memory usage issues wit                                                                             h Redis. To fix this issue run the command 'echo never > /sys/kernel/mm/transpar                                                                             ent_hugepage/enabled' as root, and add it to your /etc/rc.local in order to reta                                                                             in the setting after a reboot. Redis must be restarted after THP is disabled.
12408:M 16 Jul 21:30:29.664 * Ready to accept connections


$ redis-cli
redis 127.0.0.1:6379> ping
PONG
redis 127.0.0.1:6379> set mykey somevalue
OK
redis 127.0.0.1:6379> get mykey
"somevalue"


关闭redis服务

使用如下命令可以关闭redis服务

$ redis-cli shutdown


配置初始化脚本,以服务方式启动redis

新建两个文件夹,分别用来存储redis配置文件和持久化文件

sudo mkdir /var/redis/6379


拷贝redis-4.0.0下的utils目录下的初始化脚本到/etc/init.d目录,并重命名文件为:redis_+端口号

sudo cp utils/redis_init_script /etc/init.d/redis_6379


确保redis_6379文件内的REDISPORT变量是你使用的端口号

新建文件夹/etc/redis/ ,并拷贝redis-4.0.0下的 redis.conf 文件到到改目录下,使用端口号作为文件名

sudo mkdir /etc/redis
sudo cp redis.conf /etc/redis/6379.conf
sudo mkdir -p /var/redis/6379   创建用来存储redis持久化文件的目录(6379为端口号)


编辑6379.conf文件,修改如下几个参数:

Set daemonize to yes (by default it is set to no).(设置daemonize 为yes,默认为no)

Set the pidfile to /var/run/redis_6379.pid (modify the port if needed).(如果端口号不是6379,则需要修改)
Change the port accordingly. In our example it is not needed as the default port is already 6379.(如果端口号不是6379,则需要修改)
Set your preferred loglevel.(可以设置日志等级,注释上有说明)
Set the logfile to /var/log/redis/redis_6379.log(设置日志文件路径)
Set the dir to /var/redis/6379 (very important step!)(设置工作目录为 /var/redis/6379)


这时候就可以使用如下两条命令(任选其一)来启动redis,并测试

[root@localhost /]# service redis_6379 start
Starting Redis server...
[root@localhost /]# redis-cli
127.0.0.1:6379> ping
PONG
127.0.0.1:6379>
[root@localhost /]# /etc/init.d/redis_6379 start
Starting Redis server...
设置开机自动启动


编辑/etc/init.d/redis_6379文件,在#!/bin/bash 之后添加如下两行。

# chkconfig: 2345 10 90

# description: redis_6379 service manage…

其中2345是默认启动级别,级别有0-6共7个级别。

  等级0表示:表示关机   

  等级1表示:单用户模式   

  等级2表示:无网络连接的多用户命令行模式   

  等级3表示:有网络连接的多用户命令行模式   

  等级4表示:不可用   

  等级5表示:带图形界面的多用户模式   

  等级6表示:重新启动

10是启动优先级,90是停止优先级,优先级范围是0-100,数字越大,优先级越低

将redis_6379放入linux启动管理体系中

chkconfig --add redis_6379


查看redis_6379服务在各运行级状态

chkconfig --list redis_6379


重启服务器测试效果:

reboot


重启完成后,直接使用redis-cli连接redis,效果如下:

Using username "root".

Last login: Sun Jul 16 21:30:16 2017 from 192.168.10.1

[root@localhost ~]# redis-cli

127.0.0.1:6379>


配置成功,完!

参考:

Redis入门指南(第2版)(顺便推荐下这本书,作为redis入门书籍非常不错)

Redis Quick Start

作者:x113773

链接:http://www.jianshu.com/p/68d214f09032

來源:简书

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