Install and configure a full software stack for a Flask app: Apache, Gunicorn, MongoDB, Redis
A few days ago, I had to deploy a new Flask application for a customer and here are some notes which could be useful for somebody, as well. I will show how everything is configured, even if here, in this tutorial, I have just a minimal Flask app, in one ...

Deploy your Flask Web Application on Ubuntu 16.04 with Apache, Gunicorn and systemd
I still get questions from time to time about how to deploy a python web application using Apache and not NGINX. Here is a quick tutorial to deploy your Flask application on Ubuntu 16.04 or any linux distribution (considering relevant changes) using Apache, Gunicorn and systemd. Until some weeks ...

Smartmontools, ZFS Snapshots with zfs-periodic and OpenSMTPD on FreeBSD 10.3 NAS
After upgrading my home NAS server, reinstalling FreeBSD and changing a bit the configuration of my services running on this machine, I wanted to reconfigure my notification system to receive periodic emails about the status of zfs, security, and so on. So, here is just a quick tutorial how to ...

GitLab Continuous Integration Runner Installation on SLES 12
At work we are using GitLab Comunity Edition hosted on our servers. GitLab includes Git repository management, code reviews, issue tracking, wikis, plus GitLab CI, a continuous integration and deployment tool similar to Jenkins or TeamCity. Being responsible with architecting and implementing the infrastructure for our web application, I spent ...

Scale your Flask Python Web Application with Docker and HAProxy
For the last few months I was using Docker quite intensively for my projects and I really like it. In this post I will just describe the necessary steps to deploy a minimal Flask python application and scale it using docker-compose and HAProxy. So, here is a diagram with what ...

Upgrading my home NAS server - (HP Proliant Microserver Gen8 + FreeBSD 10.3 + ZFS + Jails)
I am using FreeBSD+ZFS for my NAS home server since 2009, see my old post about it here: My ZFS Home NAS/HTPC Box Build The setup worked perfectly in the last years and even if I had a few hard drives failures I never lost any data. Replacing ...

Let's breathe life back into my blog
I haven’t updated it in a while and the content is quite old and maybe boring :) But here I am and the first step was to migrate from Wordpress to Pelican. That way will be faster for me to publish content and to maintain it, as well. I decided ...

What Does It Mean To Be A Blackbelt?
Thanks Roy Dean !!! Great martial artist, great teacher and great inspiration. I would like to have the opportunity to train with you.

LESS, Sass, Stylus - CSS Preprocessors
A few months ago I started using CSS preprocessors to write CSS files. When I heard about them I just wanted to see how they work and what they can do but after some days I could see how useful they are. I started with LESS and after getting a ...

Gym and fitness routine
I started going to gym about three years ago. I am still a beginner and here I put some ideas which I learnt during these three years of tryings and experimenting different things. What it's working for me maybe it's not working for you, or vice versa, that ...