centOS啟動mysql （$mysql -u root -p）報錯：
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
解決辦法：
mysql -h 127.0.0.1 -u root -p
centOS啟動mysql （$mysql -u root -p）報錯：
ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock' (2)
解決辦法：
mysql -h 127.0.0.1 -u root -p
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