Can't connect to local MySQL server through socket '/var/lib/mysql/mysql.sock'
解决?: >>>
vim /etc/my.cnf >>> [client] default-character-set=utf8 socket=/storage/db/mysql/mysql.sock [mysql] default-character-set=utf8 socket=/storage/db/mysql/mysql.sock
2019-06-27T09:08:24.769172Z 0 [Note] InnoDB: Creating shared tablespace for temporary tables
2019-06-27T09:08:24.769304Z 0 [ERROR] InnoDB: Operating system error number 13 in a file operation.
2019-06-27T09:08:24.769322Z 0 [ERROR] InnoDB: The error means mysqld does not have the access rights to the directory.
2019-06-27T09:08:24.769333Z 0 [ERROR] InnoDB: Operating system error number 13 in a file operation.
2019-06-27T09:08:24.769342Z 0 [ERROR] InnoDB: The error means mysqld does not have the access rights to the directory.
2019-06-27T09:08:24.769364Z 0 [ERROR] InnoDB: Cannot open datafile './ibtmp1'
2019-06-27T09:08:24.769374Z 0 [ERROR] InnoDB: Unable to create the shared innodb_temporary
2019-06-27T09:08:24.769384Z 0 [ERROR] InnoDB: Plugin initialization aborted with error Cannot open a file
2019-06-27T09:08:25.370277Z 0 [ERROR] Plugin 'InnoDB' init function returned error.
2019-06-27T09:08:25.370330Z 0 [ERROR] Plugin 'InnoDB' registration as a STORAGE ENGINE failed.
2019-06-27T09:08:25.370341Z 0 [ERROR] Failed to initialize builtin plugins.
2019-06-27T09:08:25.370349Z 0 [ERROR] Aborting
解决?: >>> setenforce 0 #临时关闭selinux模式
#或永久解决
vim /etc/selinux/config >>> SELINUX=disabled
如果安装了apparmor
vim /etc/apparmor.d/usr.sbin.mysqld
## 有这两行，规定了mysql使用的数据文件路径权限
/var/lib/mysql/ r, /var/lib/mysql/** rwk, 改 >>> /data/mysql/ r, /data/mysql/** rwk,
## 重启:
sudo service apparmor restart