语法：
mysqladmin -u root password “newpassword”
mysqladmin -u root -h host_name password “newpassword”
设置样例：
mysqladmin -u root password ws8dr8as3
mysqladmin -u root -h localhost password ws8dr8as3
设置完后要重启Mysql服务使新密码生效：
sudo /etc/init.d/mysql restart
语法：
mysqladmin -u root password “newpassword”
mysqladmin -u root -h host_name password “newpassword”
设置样例：
mysqladmin -u root password ws8dr8as3
mysqladmin -u root -h localhost password ws8dr8as3
设置完后要重启Mysql服务使新密码生效：
sudo /etc/init.d/mysql restart
本文标题：使用mysqladmin命令更新Mysql的root初始密码
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