FreeBSD mount_nullfs / nullfs results in Operation not permitted

reno_rita

I'm using FreeBSD as a local web server and I want to use SFTP to access the project files. I created a user, but I don't want the user to be able to navigate above their home directory. User shell: /usr/sbin/nologin User home: /usr/home/username I am able to establish an SFTP connection as the user, but I need to make project files accessible for manipulation. Project files are in /usr/local/www/nginx/projectname Based on an answer from a...

Originally asked by Chris on Stack Exchange (unix) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

At first I will assume that you in sshd_config have something along the lines of: Port 22 PermitRootLogin no ChallengeResponseAuthentication no UsePAM no Subsystem sftp internal-sftp Match Group sftp ChrootDirectory %h ForceCommand internal-sftp AllowTcpForwarding no X11Forwarding no Second I assume that you are doing the nullfs mount as a regular user. Regular users are normally not allowed to mount file systems. If I try as root - it works for me. Test it as root (either sudo or su ) to confirm you have the paths correct. Then add it to /etc/fstab /usr/local/www/nginx/projectname /usr/home/username nullfs rw 0 0 That should be enough. In this case it does not make sense to allow a regular...

Full answer by Claus Andersen: https://unix.stackexchange.com/a/455100 (CC BY-SA 4.0).

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