How to give a user sftp access to a specific folder?

Question

linux

Hello!
Faced with the task - I need to give a certain user access via sftp to a certain directory of files: /var/www/ site1 The user is
authorized by ssh key.
Please tell me the easiest way to solve the problem.

Answer 1

https://wiki.debian.org/Permissions

Answer 2

If you need to give access only to this folder, then set it for the user as home and then you can configure the sftp chroot. A user can have sftp access without being able to get a shell on the host.
https://wiki.archlinux.org/index.php/SFTP_chroot

Answer 3

look here - solderintheveins.co.uk/2011/03/ubuntu-sftp-only-ac...