An unhinged carriage problem
As part of tutoring high school students in maths and physics, I sometimes run across problems that I find interesting. Here’s one involving an unhinged rai...
Recent posts
A detailed description of the pull request process
A while ago, when sharing some code with friends, I asked for feedback, when possible, as a pull request to the repository I’d shared. One friend replied al...
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 ...
Become-ing a user securely in Ansible
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...
Private areas in Jekyll with Apache
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...