一、安装 redis
第一步：下载 redis 安装包
wget http://download.redis.io/releases/redis-4.0.6.tar.gz
[root@localhost ~]#wget http://download.redis.io/releases/redis-4.0.6.tar.gz
–2020-05-08 12 :35 :12 — http://download.redis.io/releases/redis-4.0.6.tar.gz
Resolving download.redis.io (download.redis.io)…109.74 .203.151
Connecting to download.redis.io (download.redis.io)|109.74 .203.151 |:80 … connected.
HTTP request sent, awaiting response…200 OK
Length:1723533 (1.6M ) [application/x-gzip ]
Saving to: ‘redis-4.0 .6 .tar .gz’
100 %[==========================================================================================================>]1 ,723 ,533 608KB/s in 2 .8s
2020-05-08 12 :35 :15 (608 KB/s) – ‘redis-4.0 .6 .tar .gz’ saved [1723533 /1723533 ]
第二步：解压压缩包
tar -zxvf redis-4.0.6.tar.gz
[root@localhost home]#tar -zxvf redis-4.0 .6 .tar .gz
第三步： yum 安装 gcc 依赖
yum install gcc
[root@localhost home]#yum install gcc
遇到选择,输入y 即可
第四步：跳转到 redis 解压目录下
cd redis-4.0.6
[root@localhost home]# cd redis-4.0 .6
第五步：编译安装
make MALLOC=libc
[root@localhost redis-4.0 .6 ]#make MALLOC=libc
将/usr/local/redis-4.0.6/src 目录下的文件加到/usr/local/bin 目录cp –rf 就行
cd src && make install
[root@localhost redis-4.0 .6 ]# cd src &&make install
CC Makefile.dep
Hint: It ‘s a good idea to run ‘make test ‘ ;)
INSTALL install
INSTALL install
INSTALL install
INSTALL install
INSTALL install
二、启动 redis 的三种方式
先切换到redis src 目录下
[root@localhost redis-4.0.6]# cd src
1 、直接启动 redis
./redis-server
[root@localhost src]# ./redis-server
18685 :C 13 Dec 12 :56 :12.507 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
18685 :C 13 Dec 12 :56 :12.507 # Redis version=4.0 .6 , bits=64 , commit=00000000 , modified=0 , pid=18685 , just started
18685 :C 13 Dec 12 :56 :12.507 # Warning: no config file specified, using the default config. In order to specify a config file use ./redis-server /path/to/redis.conf
.
.-__”-.
.-</code>.
.- .-.\/ .,''-._
(' , .-|, ) Running in standalone mode
|-._-...-__...-. _.-'| Port:6379-._|'
| -._. / .-' | PID: 18685
-._-. -./ </em>.-' _.-'</p>
<p>|<code>-._</code>-.<em> -.__.-' .-'_.-'|
| -._-. .-'_.-'| http://redis.io
-._-.-.__.-'</em>.-'_.-'</p>
<p>|<code>-._</code>-.<em> -.__.-' .-'_.-'|
| -._-. .-'_.-'|
-._-.-.__.-'</em>.-'_.-'</p>
<p><code>-._</code>-.__.-' _.-'</p>
<p>-. .-'
`-.__.-'
18685 :M 13 Dec 12 :56 :12.508 # WARNING: The TCP backlog setting of 511 cannot be enforced because /proc/sys/net/core/somaxconn is set to the lower value of 128 .
18685 :M 13 Dec 12 :56 :12.508 # Server initialized
18685 :M 13 Dec 12 :56 :12.508 # 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.
18685 :M 13 Dec 12 :56 :12.508 # 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.
18685 :M 13 Dec 12 :56 :12.508 * Ready to accept connections
如上图：redis 启动成功，但是这种启动方式需要一直打开窗口，不能进行其他操作，不太方便。
按ctrl + c 可以关闭窗口。
2 、以后台进程方式启动 redis
第一步：修改redis.conf 文件
daemonize no
修改为
daemonize yes
第二步：指定redis.conf 文件启动
./redis-server /usr/local/redis-4.0.6/redis.conf
[root@localhost src]# ./redis-server /usr/local/redis-4.0 .6 /redis.conf
18713 :C 13 Dec 13 :07 :41.109 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
18713 :C 13 Dec 13 :07 :41.109 # Redis version=4.0 .6 , bits=64 , commit=00000000 , modified=0 , pid=18713 , just started
18713 :C 13 Dec 13 :07 :41.109 # Configuration loaded
第三步：关闭redis 进程
首先使用ps -aux | grep redis 查看redis 进程
[root@localhost src]#ps -aux |grep redis
root 18714 0.0 0.1 141752 2008 ? Ssl 13 :07 0 :00 ./redis-server 127.0 .0.1 :6379
root 18719 0.0 0.0 112644 968 pts/0 R+13 :09 0 :00 grep --color=auto redis
使用kill 命令杀死进程
[root@localhost src]#kill 18714
3 、设置 redis 开机自启动
1 、在/etc 目录下新建redis 目录
mkdir redis
[root@localhost etc]#mkdir redis
2 、将/usr/local/redis-4.0.6/redis.conf 文件复制一份到/etc/redis 目录下，并命名为6379.conf
[root@localhost redis]#cp /usr/local/redis-4.0 .6 /redis.conf /etc/redis/6379 .conf
3 、将redis 的启动脚本复制一份放到/etc/init.d 目录下
[root@localhost init.d]#cp /usr/local/redis-4.0 .6 /utils/redis_init_script /etc/init.d/redisd
4 、设置redis 开机自启动
先切换到/etc/init.d 目录下
然后执行自启命令
[root@localhost init.d]# chkconfig redisd on
service redisd does not support chkconfig
看结果是redisd 不支持chkconfig
解决方法：
使用vim 编辑redisd 文件，在第一行加入如下两行注释，保存退出
chkconfig:2345 90 10
description: Redis is a persistent key-value database
注释的意思是，redis 服务必须在运行级2 ，3 ，4 ，5 下被启动或关闭，启动的优先级是90 ，关闭的优先级是10 。
再次执行开机自启命令，成功
[root@localhost init.d]# chkconfig redisd on
现在可以直接已服务的形式启动和关闭redis 了
启动：
service redisd start
[root@localhost ~]# service redisd start
Starting Redis server...
2288 :C 13 Dec 13 :51 :38.087 # oO0OoO0OoO0Oo Redis is starting oO0OoO0OoO0Oo
2288 :C 13 Dec 13 :51 :38.087 # Redis version=4.0 .6 , bits=64 , commit=00000000 , modified=0 , pid=2288 , just started
2288 :C 13 Dec 13 :51 :38.087 # Configuration loaded
关闭：
方法1 ：service redisd stop
[root@localhost ~]# service redisd stop
Stopping ...
Redis stopped
方法2 ：redis-cli SHUTDOWN
三、 linux 服务器端可以连接而远程无法连接的原因
[root@localhost src]# vim ../redis.conf
把protected-mode yes 改为protected-mode no （在没有密码的情况下，关闭保护模式）
注释掉bind 127.0.0.1 （取消绑定本地地址）
把daemonize no 改为daemonize yes （是否为进程守护，关闭ssh 窗口后即是否在后台继续运行）
在redis-conf 注释掉bind 127.0.0.1 （取消绑定本地地址）
若还不能访问则开启制定端口号或者关闭防火墙，在这采用关闭防火墙，由于是centos7 ，防火墙进行了升级
systemctl stop firewalld.service #停止firewall
systemctl disable firewalld.service #禁止firewall 开机启动
如果出现如下问题：
[root@localhost ~]# service redisd start
/var/run/redis_6379.pid exists, process is already running or crashed
删除redis_6379.pid 即可
Original: https://www.cnblogs.com/angelasp/p/12853446.html
Author: Angelasp
Title: linux下centos7.2下安装redis 4.0.6
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