删除原有的mysql,如果之前安装过
1 查看rpm中mysql相关的包,并删之:
rpm -qa | grep -i mysql | xargs rpm -e --nodeps
2 删除mysql相关目录:
find / -name mysql | grep -E '/usr|/var' | xargs rm -r
rpm版安装步骤
1 获取下载链接
- 选择版本选择
- 右键复制链接可以点这里
2 下载和安装
1 wget https://dev.mysql.com/get/mysql80-community-release-el7-3.noarch.rpm
2 rpm -ivh mysql80-community-release-el7-3.noarch.rpm
3 yum install mysql-server -y
3 安装完成,查看:
which mysql
mysql --version
4 运行:mysqld --user=root
or mysqld
查看状态:systemctl status mysqld