Practical guides on Docker, Makefiles, SSH, Linux, PostgreSQL, Python automation, and self-hosting — written by an Italian developer in Uruguay. No fluff, just working solutions.
I had a Nagios instance running on a VPS that cost me $20/month. It monitored 12 endpoints. Twelve. A Raspberry Pi replaced it for $35 total and I haven’t looked back. Why a Raspberry Pi Because it’s always on, draws 3 watts, and I had one in
I've been running Redis as a cache layer for years, and most setups I see out there are either over-engineered or barely doing anything useful. There's a sweet spot between caching everything and caching nothing, and it's smaller than you think. Here's
I keep seeing people write try/finally blocks for file handles, database connections, and locks. Every. Single. Time. Python has context managers for this, and they are not complicated ( honestly, they are the cleanest abstraction in the language ). If you have ever used with open('file.txt') as
I bought the Insta360 GO 3 in 2024. I wanted something tiny for POV shots and casual vlogging without the bulk of a GoPro. Here is what I think after using it ( almost ) daily. What Is the Insta360 GO 3 It is a thumb-sized action camera. 36 grams. That is
I've been running this blog on Linode for over a year. It costs me $5/month and I have full control over everything. Here is how I set it up. Why Linode I looked at DigitalOcean, AWS, Hetzner. Linode ( now Akamai ) gives you a $100 credit for the
I spent years avoiding systemd. init.d scripts felt familiar, cron was "good enough", and systemctl felt like it was designed to be unreadable. Then I actually read the documentation and realized I'd been fighting the very thing that makes Linux services manageable. Here's
JavaScript is single-threaded. Everybody knows that. What fewer people know is that you don't have to stay single-threaded. Web Workers give you real parallelism in the browser, and most projects I've worked on either don't use them at all or use them wrong. What
I've had the same dotfiles repository since 2019. Seven years of shell configs, vim tweaks, and git aliases that I copy to every machine I touch. If you're not managing your dotfiles in git, you're doing it wrong, and I'll die on
I've been using vim for over a decade. Not because I'm a purist, not because I hate GUIs, and definitely not because I enjoy explaining hjkl to people. I use it because once the muscle memory clicks, everything else feels like typing with mittens. Here'
tmux changed how I work. I used to have six terminal windows open, constantly alt-tabbing between them like an idiot. Then a colleague showed me tmux and I never went back. Here is my setup, powered by Oh My Tmux. Why tmux and Not screen screen works. I used screen