Pre-establishing SSH master connections for Ansible, or using OnlyKey with Ansible without losing your mind

Posted on 2026-04-07 in Software • Tagged with ansible , automation , howto , linux , security

I use an OnlyKey as a hardware security device for a variety of purposes:

  • Common passwords are one keypress away, they get typed automatically.
  • As 2FA in my password manager (KeepassXC), by applying HMAC on the password.
  • SSH connections.
  • GPG encryption and signing.

OnlyKey

SSH connections are handled through the …


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Web browser add-ons I use

Posted on 2022-02-23 in Software • Tagged with browser , firefox , web , addons , privacy , security , cryptocurrency

This article lists the web browser extensions I use and why. I will keep it updated from time to time.

Currently I use Brave as my main web browser, and is the one I recommend to everyone. It offers a great experience by default, with features such as a built-in …


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Unlocking a LUKS-encrypted partition on boot with an USB drive

Posted on 2019-10-13 in Software • Tagged with linux , encryption , security , howto

The use case I wanted to solve was this: I have a headless server with a LUKS software-encrypted hard drive, and I want to be able to reboot it without having to input the password on a keyboard. The solution I implemented is to create a LUKS keyfile on a …


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