Learn how to use GNU info

Recently I've been digging a lot into GNU/Linux system administration and as part of this, I have finally taken some time to google about that mysterious info command that has been sitting here in my GNU/Linux systems, unused for years. Well, I can tell you, it has been a life-changing experience. Texinfo-based documentation is awesome.…

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Building GNU Emacs from sources

I want to look at the GNU Emacs source code because I have some ideas I want to try and implement. If you want to write patches for an open-source project, the first thing to do is to check out the latest version from the repository, make sure it compiles and runs. At this stage,…

I wrote a toy url shortener and people started using it

So yesterday I gave an introductory presentation on how to write web applications using Python, Flask and dokku. In my talk I shown how to go from zero to a fully functional application with a small but functional deployment environment based on Dokku. The nice thing I noticed is that people started using it, and…

Testing Go applications with PostgreSQL and docker

I spawn and terminate docker containers automatically with Jenkins. This allowed me to have a lighter application and to keep my testing environment closer to the live environment. In this post I describe how I did this. The problem A problem i recently faced was how to build continuous integration for a web application I…

Correctly erasing an SSD on GNU/Linux

This is not really an article but more of a note for future reference. So i decided to wipe an SSD drive, and I assumed that using the good old dd would not have been the correct choice. I was right, and someone (thanks mingdao) from #gentoo on Freenode directed me to this page: ATA…

Gin-gonic improvements

While writing simple web applications using gin-gonic web framework, there are some things that should be improved, in my opinion: Ideas Static file serving: it should be improved to use browser caching, according to https://developers.google.com/speed/docs/insights/LeverageBrowserCaching Default values for templates rendering: there are some values that I am going to need in pretty much every template…

Dell XPS15 9530 BIOS reflash

I recently acquired a broken Dell XPS15 9530. As far as I've been told, the BIOS got corrupted during an update. As my research suggests, this is quite a common problem with this laptop. I am going to try reflash a working bios in order to make it work again. After all, it has some…