解決"ERROR 2003 (HY000): Can't connect to MySQL server on '192.168.247.128' (111)"

1. 問題描述 在鏈接數據庫時出現鏈接失敗信息： xx@ubuntu:~$ mysql -h192.168.247.128 -uroot -p123456 mysql: [Warning] Using a password on the command line interface can be insecure. ERROR 2003 (HY000): Can't connect to MySQ

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