If you don’t know what Let’s Encrypt is, let me briefly explain. Let’s Encrypt is a free, automated and open Certificate Authority (CA) that provides an easy way to obtain and install free TLS/SSL certificates. As mentioned on their website, the key principles behind Let’s Encrypt are: Free: Anyone who owns a domain name can … Continue reading Setup Let’s Encrypt to Secure Your Website
If you are anything of a geek, you like to stay up2date about your craft. Nothing better then reading about peoples experiences to improve your own skills and insights. So the easiest way to keep on following someones blog is to add it to your favourite RSS aggregator. Unfortunately, even in 2015, you still find … Continue reading Creating RSS feeds from web pages with Ruby
NOTE: This article was initialy written for the SemaphoreCi community page. Introduction In a previous article, we wrote about testing Ansible roles directly against Semaphore. This is great when you are targeting the same operating system as your continuous integration server, but what to do if you you need to target other operating systems as … Continue reading Testing Ansible Roles on Multiple Operating Systems with Docker and Semaphore
Ever had your Linux /boot partition fill up? Well, unfortunately I have. Normally, you would just remove the kernels you don’t need anymore. Best way to do this is to first check what kernel version you are currently using: $ uname -r Next up is to list all available linux images: $ sudo dpkg –list ‘linux-image*’ … Continue reading Safely clean your /boot partition
How do you prevent your application to deteriorate over time? Or even improve your coding skills? That’s a question a lot of developers ask. I like to include some handy tools that help me check the state of an application and code. Since everything is changing so rapidly, it is sometimes hard to keep up with … Continue reading Useful Ruby gems to improve your code quality and skills
NOTE: a rewritten version is available on the SemaphoreCi community page. It contains some more details on how to setup your environment. In my previous post, I explained how you could easily test your Ansible roles by using Travis CI. One of the down sides of Travis for me is that it’s still running on … Continue reading Testing Ansible roles with Semaphore
Ansible is a great config management tool. Unfortunately I lacked the time of writing a bit more about minding, except of my 2 previous posts (Getting started with configuration management: Ansible and Configuration management with Ansible: Playbooks & Execution ) Not that I haven’t done anything new on that front. I’m currently using / maintaining some … Continue reading Testing Ansible Roles with Travis CI
Ever found yourself changing permissions recursively and then realise you used the wrong permissions? Unfortunately, I have. Don’t know if it was due to lack of sleep or caffeine but it just did. Due to my bad handling, I had a few folders where the permissions got screwed up. The folders that I needed to … Continue reading Recursively fix bad file permissions
Nothing is more annoying then wanting to change web services and not being able to export your data. You would think in this digital day and age that exporting your data would be a default feature. Think again. First thing you can do is check if there is an API you can use. When here … Continue reading Scraping data from the web
Some time ago, I was involved in a project that contained vast number of documents (PDF files). Although the files where still mostly accurate, they contained a lot of links to external resources. Over time, a lot of these links changed, resulting into dead links. If you don’t have a lot of PDF files, you could … Continue reading Finding dead links in PDF files