ERROR 2002 (HY000): Can't connect to local MySQL server through socket '/var/lib/mysq.sock' (2)

  • 环境:centos7.3安装mysql5.6
    使用mysql -u root报ERROR 2002 (HY000): Can’t connect to local MySQL server through socket ‘/var/lib/mysq.sock’ (2)
    打开mysql的日志:(/var/log/mysqld.log)看到了[ERROR] /usr/sbin/mysqld: unknown variable ‘default-character-set=utf8’。
  • 解决方法:
    1.先删除 rm -rf /var/lib/mysql/,
    (重启mysql后会重新生成/var/lib/mysql和/var/lib/mysql/mysqld.sock)
    2.打开 vim /etc/my.cnf。
    将default-character-set=utf8 改为 character_set_server=utf8
    3 .重启系统
    参考的资料:https://www.cnblogs.com/felove2013/p/6293710.html。
    (遇到bug,一定要看日志,这样才能快速的找到问题的根源。)

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