yum install -y libaio numactl

wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.12-linux-glibc2.12-x86_64.tar.xz

groupadd mysql
useradd -r -g mysql -s /bin/false mysql

tar xvf mysql-* -C /usr/local
ln -s /usr/local/mysql-* /usr/local/mysql
cd /usr/local/mysql

mkdir mysql-files
chown mysql:mysql mysql-files
chmod 750 mysql-files
mkdir /var/log/mariadb
touch /var/log/mariadb/mariadb.log
chown -R mysql:mysql /var/log/mariadb
chmod -R 750 /var/log/mariadb

bin/mysqld --initialize --user=mysql
bin/mysql_ssl_rsa_setup
bin/mysqld_safe --user=mysql &
cp support-files/mysql.server /etc/init.d/mysqld
ln -s /var/lib/mysql/mysql.sock /tmp/mysql.sock

chown mysql:mysql -R /var/lib/mysql
chmod -R 751 /var/lib/mysql
chown -R mysql:mysql /usr/local/mysql*
chmod -R 751 /usr/local/mysql*

service mysqld start

bin/mysql -uroot -p #密码是刚刚执行(bin/mysqld --initialize --user=mysql)命令复制出来的密码
ALTER USER 'root'@'localhost' IDENTIFIED BY 'New_Password';
flush privileges;

systemctl enable mysqld

CREATE USER 新建用户名 IDENTIFIED BY '密码';
GRANT SELECT, INSERT, UPDATE, DELETE ON 数据库名称.* TO 新建用户名;
flush privileges;