Post tagged “ssh”

1. 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.

   • #Linux
   • #security
   • #ssh
   • #totp

2. 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.

   • #Linux
   • #openssh
   • #rsync
   • #ssh

3. Abusing screen(1)'s Default Shell

   Three other people will find this useful.

   • #Scripting
   • #Bash
   • #screen
   • #ssh
   • #Terminal