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mysql error number 2003   
Can't connect to MySQL server xxx.xxx.xxx.xxx (10061)
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grant all on *.* to 'remote'@'172.16.21.39' identified by 'password';
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grant all on *.* to 'root'@'%' identifiied by 'rootµÄÃÜÂë'
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mysql -u root -pvmwaremysql>use mysql;mysql>update user set host = '%' where user = 'root';mysql>select host, user from user;
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GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'%' IDENTIFIED BY 'mypassword' WITH GRANT OPTION;
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GRANT ALL PRIVILEGES ON *.* TO 'myuser'@'192.168.1.3' IDENTIFIED BY 'mypassword' WITH GRANT OPTION; 
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# Instead of skip-networking the default is now to listen only on
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