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

環境

Ubuntu 18.04.4 LTS

MySQL

 

錯誤

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

 

解決辦法

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

chmod -R 755 /var/lib/mysql/

 

截圖