mysql8的安装
mysql8下载地址：
https://downloads.mysql.com/archives/community/
mysql8安装文档：
https://blog.csdn.net/u013618714/article/details/126179117
启动mysql服务报错
解决方案：
切换到目录/opt/mysql/mysql-8.0.30/, 修改data的目录权限为777
chmod 777 data
mysql8下载地址：
https://downloads.mysql.com/archives/community/
mysql8安装文档：
https://blog.csdn.net/u013618714/article/details/126179117
启动mysql服务报错
解决方案：
切换到目录/opt/mysql/mysql-8.0.30/, 修改data的目录权限为777
chmod 777 data