How to prevent interactive ssh login? [closed]

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Short Question: How do i prevent interactive(human) ssh login on a Linux machine?

The unix accounts should be available only for non-interactive ssh use (like via some other program), for eg: via a GIT client etc...

The idea is to prevent end-users from logging into the Linux machi开发者_运维技巧ne interactively. It is strictly meant to be used via a GIT client program to checkin-checkout files.

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Change the user's default shell to git-shell.

chsh -s `which git-shell` <USER>

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Another way:

See how Gitolite organize the access to any git command through a forced-command script in ssh, mentioned in authorized_keys.

The Gitolite script gl-auth-command explicitly prevents any interactive session, while allowing git commands.