centos7 安装 redis 7.0

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centos 7 安装 redis 7.0

1，安装 gcc

yum install gcc-c++

升级gcc编译器版本
默认下载的gcc编译器的版本一般是4.8.5,但是redis安装要求的版本比较高，所以我们需要升级一下当前的gcc版本信息

yum install centos-release-scl scl-utils-build
yum install -y devtoolset-9-toolchain
scl enable devtoolset-9 bash

需要注意的是scl命令启用只是临时的，退出shell或重启就会恢复原系统gcc版本
配置长期使用gcc9，添加环境变量

echo -e "\nsource /opt/rh/devtoolset-9/enable" >>/etc/profile
source /etc/profile 再次检查当前gcc的版本信息

[root@aliyuan-ops-01 devops]# gcc --version
gcc (GCC) 9.3.1 20200408 (Red Hat 9.3.1-2)
Copyright (C) 2019 Free Software Foundation, Inc.
This is free software; see the source for copying conditions.  There is NO
warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.

2，下载redis 7.0

[root@aliyuan-ops-01 devops]# wget http://download.redis.io/releases/redis-7.0.0.tar.gz
--2022-06-01 21:56:44--  http://download.redis.io/releases/redis-7.0.0.tar.gz
Resolving download.redis.io (download.redis.io)... 45.60.125.1
Connecting to download.redis.io (download.redis.io)|45.60.125.1|:80... connected.
HTTP request sent, awaiting response... 200 OK
Length: 2943054 (2.8M) [application/octet-stream]
Saving to: ‘redis-7.0.0.tar.gz’

100%[==========================================================================================================================>] 2,943,054   2.06MB/s   in 1.4s   

2022-06-01 21:56:47 (2.06 MB/s) - ‘redis-7.0.0.tar.gz’ saved [2943054/2943054]

解压

tar -zxvf redis-7.0.0.tar.gz -C /usr/local/

[root@aliyuan-ops-01 local]# cd redis-7.0.0/
[root@aliyuan-ops-01 redis-7.0.0]# pwd
/usr/local/redis-7.0.0
[root@aliyuan-ops-01 redis-7.0.0]# ls
00-RELEASENOTES  CONDUCT       COPYING  INSTALL   MANIFESTO  redis.conf  runtest-cluster    runtest-sentinel  sentinel.conf  tests   utils
BUGS             CONTRIBUTING  deps     Makefile  README.md  runtest     runtest-moduleapi  SECURITY.md       src            TLS.md

3、安装Redis
编译安装

[root@aliyuan-ops-01 redis-7.0.0]# make && make install 
[root@aliyuan-ops-01 redis-7.0.0]# cd src/
[root@aliyuan-ops-01 src]# ./redis-server 
2631:C 01 Jun 2022 22:11:04.438 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
2631:C 01 Jun 2022 22:11:04.438 # Redis version=7.0.0, bits=64, commit=00000000, modified=0, pid=2631, just started
2631:C 01 Jun 2022 22:11:04.438 # Warning: no config file specified, using the default config. In order to specify a config file use ./redis-server /path/to/redis.conf
2631:M 01 Jun 2022 22:11:04.439 * monotonic clock: POSIX clock_gettime
               _._                                                  
          _.-``__ ''-._                                             
     _.-``    `.  `_.  ''-._           Redis 7.0.0 (00000000/0) 64 bit
 .-`` .-```.  ```\/    _.,_ ''-._                                  
(    '      ,       .-`  | `,    )     Running in standalone mode
|`-._`-...-` __...-.``-._|'` _.-'|     Port: 6379
|    `-._   `._    /     _.-'    |     PID: 2631
 `-._    `-._  `-./  _.-'    _.-'                                   
|`-._`-._    `-.__.-'    _.-'_.-'|                                  
|    `-._`-._        _.-'_.-'    |           https://redis.io       
 `-._    `-._`-.__.-'_.-'    _.-'                                   
|`-._`-._    `-.__.-'    _.-'_.-'|                                  
|    `-._`-._        _.-'_.-'    |                                  
 `-._    `-._`-.__.-'_.-'    _.-'                                   
     `-._    `-.__.-'    _.-'                                       
         `-._        _.-'                                           
             `-.__.-'                                               

2631:M 01 Jun 2022 22:11:04.439 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128.
2631:M 01 Jun 2022 22:11:04.439 # Server initialized
2631:M 01 Jun 2022 22:11:04.439 # 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.
2631:M 01 Jun 2022 22:11:04.440 * The AOF directory appendonlydir doesn't exist
2631:M 01 Jun 2022 22:11:04.440 * Ready to accept connections

redis7.0 已经安装成功，运行版本是7.0.0，默认端口号为6379

4,配置环境
在redis-7.0.0目录下面创建配置conf文件夹和data文件夹，先复制一份redis.conf到conf文件夹下面

[root@aliyuan-ops-01 redis-7.0.0]# ll
total 260
-rw-rw-r--  1 root root  27744 Apr 27 21:32 00-RELEASENOTES
-rw-rw-r--  1 root root     51 Apr 27 21:32 BUGS
-rw-rw-r--  1 root root   5026 Apr 27 21:32 CONDUCT
-rw-rw-r--  1 root root   2634 Apr 27 21:32 CONTRIBUTING
-rw-rw-r--  1 root root   1487 Apr 27 21:32 COPYING
drwxrwxr-x  7 root root   4096 Jun  1 22:08 deps
-rw-rw-r--  1 root root     11 Apr 27 21:32 INSTALL
-rw-rw-r--  1 root root    151 Apr 27 21:32 Makefile
-rw-rw-r--  1 root root   6888 Apr 27 21:32 MANIFESTO
-rw-rw-r--  1 root root  22435 Apr 27 21:32 README.md
-rw-rw-r--  1 root root 106547 Apr 27 21:32 redis.conf
-rwxrwxr-x  1 root root    279 Apr 27 21:32 runtest
-rwxrwxr-x  1 root root    283 Apr 27 21:32 runtest-cluster
-rwxrwxr-x  1 root root   1578 Apr 27 21:32 runtest-moduleapi
-rwxrwxr-x  1 root root    285 Apr 27 21:32 runtest-sentinel
-rw-rw-r--  1 root root   1695 Apr 27 21:32 SECURITY.md
-rw-rw-r--  1 root root  13924 Apr 27 21:32 sentinel.conf
drwxrwxr-x  4 root root  12288 Jun  1 22:14 src
drwxrwxr-x 11 root root   4096 Apr 27 21:32 tests
-rw-rw-r--  1 root root   3055 Apr 27 21:32 TLS.md
drwxrwxr-x  8 root root   4096 Apr 27 21:32 utils
[root@aliyuan-ops-01 redis-7.0.0]# mkdir conf
[root@aliyuan-ops-01 redis-7.0.0]# mkdir data
[root@aliyuan-ops-01 redis-7.0.0]# cp -r redis.conf conf/
[root@aliyuan-ops-01 redis-7.0.0]# cd conf/
[root@aliyuan-ops-01 conf]# ls
redis.conf

修改配置文件，并设置启动模式为后台模式，绑定ip修改为0.0.0.0，支持远程登录。

默认绑定
bind 0.0.0.0 -::1
监听端口号
port 6379
是否守护进程，改成yes以后会以后台运行模式启动
daemonize no
日志文件名称
logfile “redis-6379.log”
指定data存放路径
dir /usr/local/redis-7.0.0/data
配置文件以后查看redis的运行状态，OK，运行成功了。

给日志目录权限
cd /usr/local/redis-7.0.0/data
chown redis:redis redis-6379.log

[root@aliyuan-ops-01 redis-7.0.0]# redis-server conf/redis.conf 
[root@aliyuan-ops-01 ~]# ps -ef | grep redis
root      2655 30129  0 22:23 pts/0    00:00:00 redis-server 127.0.0.1:6379
root      2682  2662  0 22:24 pts/1    00:00:00 grep --color=auto redis
[root@aliyuan-ops-01 redis-7.0.0]# redis-cli -p 6379
127.0.0.1:6379> ping
PONG
127.0.0.1:6379>

5,设置开机启动
编辑开机启动脚本

cat /lib/systemd/system/redis.service

[Unit]
Description=Redis
After=network.target

[Service]
#Type=forking
ExecStart=/usr/local/redis-7.0.0/redis-server /usr/local/redis-7.0.0/conf/redis.conf
ExecReload=/usr/local/redis-7.0.0/redis-server -s reload
ExecStop=/usr/local/redis-7.0.0/redis-server -s stop
PrivateTmp=true

[Install]
WantedBy=multi-user.target

加载

systemctl daemon-reload

启动

systemctl start redis.service

查看状态

[root@aliyuan-ops-01 system]# systemctl status redis.service
● redis.service - Redis
   Loaded: loaded (/usr/lib/systemd/system/redis.service; disabled; vendor preset: disabled)
   Active: active (running) since Wed 2022-06-01 23:08:22 CST; 3min 26s ago
 Main PID: 3197 (redis-server)
    Tasks: 5
   Memory: 1.7M
   CGroup: /system.slice/redis.service
           └─3197 /usr/local/redis-7.0.0/src/redis-server 127.0.0.1:6379

Jun 01 23:08:22 aliyuan-ops-01 systemd[1]: Started Redis.


[root@aliyuan-ops-01 system]# ps -ef | grep redis
root      3197     1  0 23:08 ?        00:00:00 /usr/local/redis-7.0.0/src/redis-server 127.0.0.1:6379
root      3215  2830  0 23:12 pts/0    00:00:00 grep --color=auto redis

[root@aliyuan-ops-01 system]# netstat -nultp  | grep 6379
tcp        0      0 127.0.0.1:6379          0.0.0.0:*               LISTEN      3197/redis-server 1 
tcp6       0      0 ::1:6379                :::*                    LISTEN      3197/redis-server 1