How to secure SSH server access with MFA

First install Google Authenticator: apt-get install libpam-google-authenticator This works well on Ubuntu (Trusty or newer). Next, login to your server with the user you’re going to use MFA with,¬†execute¬†google-authenticator and follow the steps as indicated below. You may scan the QR-Code which is shown on the console with your phone Read more…

Gentoo: system and security updates

First install gentoolkit emerge gentoolkit Then search for security updates using glsa-check: glsa-check -t all Check which packets would be installed: glsa-check -p $(glsa-check -t all) Then run the actual installation glsa-check -f $(glsa-check -t all) Or install them one by one: glsa-check -f INSTALLNUM Replace INSTALLNUM by the update Read more…