Always backup your MySQL database with mysqldump but if you didn’t you can restore it from file system.

If your backup include the /var/lib/mysql directory, if so then you should be able to restore the database. Each database is contained in a separate subdirectory off /var/lib/mysql, 所以寻找一个以您的数据库名称命名的,,en,WordPress或任何其他,,en,恢复它,,en,先关闭mysql服务器,,en,将backup-ed目录复制到新服务器上的相同位置,,en,然后重启mysql服务器,,en,注意,,en,使用mysqldump命令更好地执行实际的数据库转储，而不是依赖此方法,,en,所以为了未来,,en,你应该安排这样的事情,,en,从FileSystem Backup恢复MySQL数据库,,en (WordPress or any other). To restore it, shutdown the mysql server first

sudo /etc/init.d/mysql stop

Copy the backup-ed directory into the same location on your new server, then restart mysql server

sudo /etc/init.d/mysql start

Note:- that its much better to take actual database dumps using the mysqldump command than to rely on this method. so for the future, you should schedule something like this:

mysqldump -h host -u user -ppassword --databases database1 database2 > myfile.dump