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networking - ERROR 2003: Can't connect to MySQL server on 'localhost:3306'( 111 "Connection refused") - Super User
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ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (111) 対処法 - Qiita
Mysql2::Error::ConnectionError: Can't connect to MySQL server on 'db' (111 " Connection refused") - diary-study-by-takuyaのブログ
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Fix can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (111) on CentOS 7 - LCDUNG
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Can't connect to MySQL server on '127.0.0.1' (111) [despite commenting out bind-address &... - YouTube
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Can't connect to MySQL server on '127.0.0.1' (111) [despite commenting out bind-address &... - YouTube
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![FREEPBX-21173] Exception SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (111)::SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/ mysql.sock' (111) - Sangoma ... FREEPBX-21173] Exception SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (111)::SQLSTATE[HY000] [2002] Can't connect to local MySQL server through socket '/var/lib/mysql/ mysql.sock' (111) - Sangoma ...](https://issues.freepbx.org/secure/attachment/42823/SQL%20error.png)