With the wrong default environment is not terrible，Well matched back like a big deal。
Obviously，He says such things there is no story。
In short，If you find that your vps One day suddenly can not log in，The content is not being given no authority，But the certificate is to determine the right - then you might be wrong with the last exit before the shell。At this time, even if you use the console to log on，After logging will find a flash[……]