Shrinking a VirtualBox disk
Can you shrink VirtualBox disk images? It turns out you can, with the right setup. A recent cleanup operation led me to one way to get this particular set ...
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Using become_user in Ansible requires the acl package to be installed on the remote host. This is a note to my future self, reminding me of the error, the r...
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Jekyll-built static sites are public by default. However, have you ever wanted to create a private area where you can upload articles for review and keep th...
Action of a simple harmonic oscillator
What’s the action of a simple harmonic oscillator? And how does this change depending upon the path? Some mates of mine and I worked through this recently....