Google Authenticator Two-Factor SSH Authentication for Debian Wheezy

By | 2013/07/28

Debian does not provide a package for Wheezy to use Google Authenticator as a pam module. However, you can grab and install the Jessie (Debian testing) deb. Here are some steps!

First install a needed dependency:

$ sudo apt-get install libqrencode3

For 64bit grab the Jessie deb:

$ wget


$ sudo dpkg -i libpam-google-authenticator_20130529-1_amd64.deb

Done! Next I suggest following my guide here to add two-factor authentication to your SSH logins. It works great on Wheezy:

user@brahms:~$ ssh user@
Verification code: 

Linux 3.2.0-4-amd64 #1 SMP Debian 3.2.41-2+deb7u2 x86_64

The programs included with the Debian GNU/Linux system are free software;
the exact distribution terms for each program are described in the
individual files in /usr/share/doc/*/copyright.

Debian GNU/Linux comes with ABSOLUTELY NO WARRANTY, to the extent
permitted by applicable law.
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