网址：1-https://redis.io/docs/latest/operate/oss_and_stack/install/install-redis/install-redis-on-linux/

查看是否有redis

ubantu：apt-cache policy redis-server

centos：yum list redis 或 yum list installed | grep redis

apt查看已安装：apt --list installed

debian已安装：dpkg -l | grep package-name

yum查看已安装

yum list installed

查找软件包：yum search name

可安装：yum list

yum已安装信息包 yum info name

一、Install on Ubuntu/Debian:

$sudo apt-get install lsb-release curl gpg
$curl -fsSL https://packages.redis.io/gpg | sudo gpg --dearmor -o /usr/share/keyrings/redis-archive-keyring.gpg
$sudo chmod 644 /usr/share/keyrings/redis-archive-keyring.gpg
$echo "deb [signed-by=/usr/share/keyrings/redis-archive-keyring.gpg] https://packages.redis.io/deb $(lsb_release -cs) main" | sudo tee /etc/apt/sources.list.d/redis.list
$sudo apt-get update
$sudo apt-get install redis

$sudo systemctl enable redis-server
$sudo systemctl start redis-server

测试：

$redis-cli

127.0.0.1:6379> ping
PONG

redis.conf

requirepass yourpassword

redis-cli -h 192.168.1.100 -p 6379 -a yourpassword

mysql -h remote_host_ip -u username -p

Install on Red Hat/Rocky：

$sudo yum install redis
$sudo systemctl enable redis
$sudo systemctl start redis

Install on Ubuntu using Snap：

$sudo apt update
$sudo apt install redis-tools # for redis-cli
$sudo snap install redis

#自启动

$sudo snap set redis service.start=true

$sudo snap start redis

$sudo snap stop redis

$sudo snap restart redis

$sudo snap services redis