1.查看初始化密码： [root@lone-centos67 ~]# grep 'temporary password' /var/log/mysqld.log 2016-10-13T06:30:03.521325Z 1 [Note] A temporary password is generated for root@localhost: E<apj1+mshge <apj1+mshge
初始化密码为：E<apj1+mshge 密码是随机产生的
</apj1+mshge 2.登录及修改密码 [root@lone-centos67 ~]# mysql -p Enter password: Welcome to the MySQL monitor. Commands end with ; or /g. Your MySQL connection id is 9 Server version: 5.7.15 MySQL Community Server (GPL)
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mysql>
mysql> show databases;
修改密码 mysql> alter user root@localhost identified by 'xxx'; 新密码要求，必须包含大小写字母数字及符号。
