Post tagged “ssh”
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Two-factor SSH to Ubuntu 11.04 with Google Authenticator
Read on for instructions setting up two-factor auth for SSH logins under Ubuntu. I used 11.04 Natty Narwhal; other releases may require small tweaks.
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Locking Down rsync Over SSH
For my most recent backup scheme, I needed to lock down rsync over OpenSSH while allowing scheduled syncing. I did it using the authorized_keys command="command" option to restrict access for a specific private key.
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Abusing screen(1)'s Default Shell
Three other people will find this useful.