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8
votes
2answers
2k views

How to restrict an SSH user to only allow SSH-tunneling?

How can I restrict a user on the ssh server to allow them only the priviledges for SSH TUNNELING? i.e. So they cannot run commands even if they log in via ssh. My Linux servers are Ubuntu 11.04 and ...
4
votes
2answers
4k views

Can I create a local only guest account?

Is it possible to create a "guest" account in Linux? by "guest" account I mean an account that does not require a password to log in graphically. I want this account for when people come over and are ...
17
votes
2answers
5k views

Do you need a shell for SCP?

I'm allowing a friend a local account on my machine, exclusively for SCP. Can I specify his account's shell as /bin/true, or in any other way limit the account, while still allowing SCP?
18
votes
4answers
12k views

How do I completely disable an account?

How do I completely disable an account? passwd -l will not allow anyone to log into an account using a password but you can still log in via private/public keys. How would I disable the account ...
8
votes
2answers
3k views

Creating a UNIX account which only executes one command

Is there a way to create a user account in Solaris which allows the users to run one command only? No login shell or anything else. I could possibly do it with /usr/bin/false in /etc/passwd and just ...