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2.LinuxÏÂmysql ²»ÄÜÍâÍø·ÃÎÊ
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cat /etc/mysql/my.conf
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bind-address = 127.0.0.1
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mysql>use mysql;
mysql>update user set host = '%' where user ='root';
mysql>flush privileges;
mysql>select 'host','user' from user where user='root';
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