Linux+MySQL错误： ERROR 1018 (HY000): Can't read dir of '.' (errno: 13 - Permission denied)

环境

Ubuntu 18.04.4 LTS

MySQL

 

错误

mysql> show databases;
ERROR 1018 (HY000): Can't read dir of '.' (errno: 13 - Permission denied)

 

解决办法

chown -R mysql:mysql /var/lib/mysql/

chmod -R 755 /var/lib/mysql/

 

截图