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 […]
The 6th of February 2023, a massive 7.8 earthquake hit a region in southern Turkey very close to the borders of Syria, in the early morning hours as most people were still asleep followed by many aftershocks including a massive 7.5 magnitude aftershock that happened on the same day while people were undergoing rescue operations […]
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 […]
Introduction 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 […]
RedNotebook by Jendrik Seipp is one of my favourite free open-source multi-platforms applications. It is a digital version of the good old lab notebook, that is usually red, and that is often used by scientists and researchers in labs around the world. It can be used to log experiment results, to take meeting notes, to […]
Docker and docker-compose provides an amazing way to quickly setup complicated applications that depends on several separate components running as services on a network. This is evident in the amount of time and effort docker-compose spare when deploying a certain web-app like Rocket.Chat, the open-source business communication platform that provides many features such as persistent […]
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 […]