好久没安装redis了，开发需求安装redis7，下载了redis7.0.12tar包开始编译，机器环境已经安装过gcc version 8.3.1 20190311 (Red Hat 8.3.1-3) (GCC) 和gcc version 8.3.1 20190311 (Red Hat 8.3.1-3) (GCC) ，在make时出错：
make[1]: [Makefile:355: persist-settings] Error 2 (ignored)
CC adlist.o
In file included from adlist.c:34:
zmalloc.h:50:10: fatal error: jemalloc/jemalloc.h: No such file or directory
#include <jemalloc/jemalloc.h>
网上查找一番，sudo make MALLOC=libc
make distclean 清除之前编译的文件及配置文件再重新make
执行以上命令继续报错：
cc: error: ../deps/hdr_histogram/libhdrhistogram.a: No such file or directory
make[1]: *** [Makefile:374: redis-server] Error 1
make[1]: Leaving directory ‘/data/redis/src’
make: *** [Makefile:6: all] Error 2
cd /data/redis-7.0.12/deps/hdr_histogram
make
-rw-r–r– 1 root root 74296 Sep 10 14:34 hdr_histogram.o
-rwxrwxrwx 1 root root 300 Jul 18 2022 hdr_redis_malloc.h
-rwxrwxrwx 1 root root 631 Jul 18 2022 hdr_tests.h
-rw-r–r– 1 root root 75482 Sep 10 14:34 libhdrhistogram.a
生成libhdrhistogram.a文件，退回到安装目录，make， make install
Hint: It’s a good idea to run ‘make test’ ;)
INSTALL redis-server
INSTALL redis-benchmark
INSTALL redis-cli
开机自动启：
vim /etc/systemd/system/redis.service
[Unit]
Description=redis-service
After=syslog.target network.target
[Service]
Type=forking
ExecStart=/data/redis/src/redis-server /data/redis/redis.conf
PrivateTmp=true
\#startExecStop=/etc/init.d/redis_6379
[Install]
WantedBy=multi-user.target
systemctl start redis && systemctl enable redis
有时候gcc环境没设置好会有乱七八糟编译报错，再简单一点就是yum 安装：
更新系统软件包：sudo yum update
安装redis依赖库：#sudo yum install epel-release yum-utils
#sudo yum install http://rpms.remirepo.net/enterprise/remi-release-7.rpm
#sudo yum-config-manager –enable remi
#sudo yum install redis
启动Redis服务：sudo systemctl start redis
设置Redis开机自启动：sudo systemctl enable redis
验证Redis是否成功安装：redis-cli ping，如果返回 “PONG”，则表示Redis安装成功。
安装完成后，你可以根据需要对Redis进行配置和使用。以下是一些常用的Redis配置文件和命令：
· 配置文件路径：/etc/redis.conf
· Redis启动命令：sudo systemctl start/stop/restart/status redis
· Redis配置文件重新加载命令：sudo systemctl reload redis
