我要评论步骤一：安装mysql依赖
yum install -y libaio numactl
步骤二：下载mysql社区版
wget https://dev.mysql.com/get/downloads/mysql-8.0/mysql-8.0.12-linux-glibc2.12-x86_64.tar.xz
步骤三：创建mysql用户和用户组
groupadd mysql useradd -r -g mysql -s /bin/false mysql
步骤四：解压mysql文件
tar xvf mysql-* -c /usr/local ln -s /usr/local/mysql-* /usr/local/mysql cd /usr/local/mysql
步骤五：创建文件夹
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
步骤六：初始化mysql
将root初始化密码复制出来，等会登录mysql需要使用这个密码
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
步骤七：分配mysql文件夹权限
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*
步骤八：启动mysql
service mysqld start
步骤九：更改mysql密码
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;
可选项：开机自启动mysql数据库
systemctl enable mysqld
新建mysql用户并授权
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;
参考文献：
https://zhuanlan.zhihu.com/p/38708106 https://dev.mysql.com/doc/refman/8.0/en/binary-installation.html
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