• Watch a file on MacOS and execute a command when it changes

    I needed to execute an rsync command on MacOS towards a VM when files change in a directory.

  • How to extend a swap partition on a LVM volume

    Increasing the size of existing swap

    swapoff -v /<volume>
    lvresize /<volume> -L +256M
    mkswap /<volume>
    swapon -va

    Check that the swap size has been increased

    free -g
    cat /proc/swaps
  • The Remote Companies and Jobs Page


  • How to generate SSH key fingerprints in the same format used by AWS

    I made a mess of my keys, I didn’t know anymore what was what.

  • How to check if a UDP port is open and how to send packets to it

    The following works on MacOS, details may vary on Linux distros or other Unix (for example SUSE SLES has netcat not nc)

  • Building testing and deploying this website using CircleCI

    The good people of CircleCI provide a basic service for free and that is very nice.

  • A new adventure, part 5

    I am officialy out of control. Someone, please, help me!

  • A new adventure, part 4

    These days, I seem to burn through new adventures at a worrying speed…

  • Running Puppet server on my laptop and connecting a Jconsole to the JVM via JMX/RMI


    I needed to build a quick POC to show how to collect metrics from the Puppet server JVM via JMX. This is what I did, the problems I had and how I solved them.

  • A new adventure, part 3

    “A rolling stone gathers no moss”. So true, it hurts.

  • ssh-copy-id

    It turns out I have wasted hours, perhaps days, if not weeks, executing

  • Kubernetes

    I was invited (not sure why) to a Google Cloud Platform event which included a Kubernetes bootcamp. I skipped the morning blah blah (attending a job interview instead), and I got to the remote venue in time for some relatively good food, considering the setting.

  • Jekyll ignores post

    You’ve added a post to your Jekyll blog and you do a jekyll build and yet the post does not appear.

  • Playing with Ansible

    I have been working using Ansible in the past weeks and I am truly enjoying it

  • A new adventure

    And so a new adventure starts. This new contract will require the longest commute ever but probably also the nicest, empty trains, sitting playing with my laptop. How long will it be before I will get fedup? And what about the job? Will I like it? Will I be able to do it? Will I like the people? Will they like me? So many questions. Let’s get them in checklist format and come back here in a week or two to see how it’s going.

    • how long before you get fed up with the commute?
    • will you like the job?
    • are you able to do the job?
    • will you like the people?
    • will the people like you?
  • Welcome to my blog!

    I am now officially experimenting with Jekyll - a Ruby blog thing using markdown files.

  • Welcome to Jekyll!

    You’ll find this post in your _posts directory. Go ahead and edit it and re-build the site to see your changes. You can rebuild the site in many different ways, but the most common way is to run jekyll serve, which launches a web server and auto-regenerates your site when a file is updated.