As head of engineering professionally and as a contributor to Open Source projects, I am involved in several WebApp projects, where I put a large emphasis on code quality, smooth CI/CD pipelines as part of my dedication to DevOps principles. Some of the projects involves interactions with S3 storage via the Minio package for python. […]
Many companies and organisation uses Google Workspace as the provider of their productivity and collaboration apps. The Gmail webmail service, Google drive, Google Documents, Google Meet, The calendar and many other apps are simple great tools for small and medium-sized organisations. Odoo is an open-source suite of business applications that assists companies in managing various […]
If you used a PPA or added an external repository in Debian 11, Ubuntu 22.04, chances are that you recently have been seeing a message like this every time you run apt-get: This is a warning that apt-key is printing out. The tool apt-key was responsible for managing the list of keys used by apt […]
Keep the Yaml files in your project tidy is useful. Not only it improves code readability but also helps avoiding misunderstanding and bugs. Luckily there are many tools available that helps with “linting” and formatting yaml file, I introduced two of those tools in an earlier blog post titled: YAML Files – Linting and Formatting. […]
If you are using docker and docker compose to run containered services with persistent storage and you wanted to keep backups off the host machine or offline, then you must have thought about a good solution that works for you. I will discuss the concept of a solution that is simple that worked for me. […]
Motivation You are using uncomplicated firewall (ufw) and you realised that your docker web app is accessible via the internet regardless of the status of ufw, then this article is for you. I try here to answer two questions: Why does not ufw work for Docker containers? The answer is very simple, both ufw and […]
Several months ago, I finished reading “The Phoenix Project” by Gene Kim, George Spafford, and Kevin Behr. The book tell the story of an IT operation engineer, Bill Palmer, who get a sudden promotion and have to deal with all sorts of complications and difficulties while being under immense stress during a pivotal moment in […]
In a previous blog post, I presented a solution to use docker-compose to obtain and renew a Let’s Encrypt SSL certificate and configure NGINX to use it. The solution depended on using two docker-compose files, one for the initialisation and the second for operation, as well as a cron job, and a couple of very […]
Keep the Yaml files in your project tidy is useful. Not only it improves code readability but also helps avoiding misunderstanding and bugs. Luckily there are many tools available that helps with “linting” and formatting yaml file, I will introduce two of those tools in this blog post. I cover the issue of handling long […]
Rocket.Chat is an open-source business communication platform that provides many features such as persistent chat rooms (channels) organised by topic, private groups, and direct messaging. The platform can be self-hosted. In this blog post I will detail the steps I used to quickly and reliably deploy Rocket.Chat platform on a Linux machine running Docker. Rocket.Chat […]