Monthly Archives: February 2026

Duo Security Duo Unix from Debian Package

In the last post, I wrote about trying to install Duo-Unix from source and the problems I encountered, which led me to install from the bookworm Duo Security repository, even though I’m running Debian Forky (Testing). During the testing, while writing the post (to get screenshots), I found out that the problem was more on my server side.

However, with Duo needing to be updated by tomorrow (February 2nd) to use the latest CA bundle, I used some workarounds to install the Debian package from their site.

I’ve reset my virtual machine and done a fresh update to get the latest packages. I’m running Debian Forky (current testing).

Returning to the Duo-Unix page, they do have options for installing on different distributions. The page says they tested against Trixy (Debian 13), but the commands are still for Stretch and older. They also don’t include the signing key info in the source list file.

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