I have a user who ran mv /home/app/* ../ under /home/app, now he can’t log in from anywhere else, his terminal is still active, how to fix this, seniors?
Attach the image to rescue mode and try moving the files back.
This has already been done, and it was found that the user not only used this command but also used rm -rf to delete some parts. There’s no solution—just redeploy the service 
Once you delete something, it’s really gone