测试环境搭建整套大数据系统（十四：搭建mysql8）

一：更新系统

$sudo apt update
$sudo apt list --upgradable# get a list of upgrades
$sudo apt upgrade
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二：下载

sudo apt install mysql-server-8.0
sudo mysql
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修改密码

ALTER USER 'root'@'localhost' IDENTIFIED WITH mysql_native_password BY 'ysh@123';
exit
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设置开机自启动

sudo systemctl is-enabled mysql.service
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