yum install -y lrzsz
在/usr/local目录下新建目录mysql
cd /usr/local
mkdir mysql
在/usr/local/mysql目录下使用rz -be命令上传mysql-8.0.15-1.el7.x86_64.rpm-bundle.tar
tar -xvf mysql-8.0.15-1.el7.x86_64.rpm-bundle.tar
得到文件如图：
rpm -qa | grep mariadb 命令查看 mariadb 的安装包
rpm -e mariadb-libs-5.5.60-1.el7_5.x86_64 --nodeps 卸载mariadb
再次执行6查看
rpm -ivh mysql-community-common-8.0.15-1.el7.x86_64.rpm --nodeps --force 命令安装 common
依次： libs,client,server
rpm -qa | grep mysql
初始化
mysqld --initialize;
[root@1234 mysql]# mysqld --initialize;
mysqld: error while loading shared libraries: libaio.so.1: cannot open shared object file: No such file or directory
yum install -y libaio安装依赖
mysqld --initialize;
chown mysql:mysql /var/lib/mysql -R;
systemctl start mysqld;
cat /var/log/mysqld.log | grep password查看密码
登录后修改密码：
ALTER USER ‘root’@‘localhost’ IDENTIFIED WITH mysql_native_password BY ‘root’;
授权
create user ‘root’@’%’ identified with mysql_native_password by ‘root’;
grant all privileges on . to ‘root’@’%’ with grant option;
flush privileges;
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