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Casey J Robinson

Linux • Systems • DevOps • Learning in Public

Welcome to my personal site.
This is where I document what I’m learning, building, and breaking — in public.


👋 About Me

I’m a systems-focused learner with a strong interest in Linux, infrastructure, and how things work under the hood.
This site is both a knowledge log and a public record of progress.

I believe:

  • Learning sticks better when you write it down
  • Teaching (even imperfectly) sharpens understanding
  • Progress > polish

🛠 What You’ll Find Here

  • 📓 Blog posts on Linux, systems, and tooling
  • 🧪 Experiments & notes from studying and projects
  • 🎥 Video walkthroughs and learning sessions
  • 🧭 A long-term record of growth

📚 Current Focus

  • Linux fundamentals & internals
  • Systems administration concepts
  • DevOps tooling and workflows
  • Studying in public and building habits that last

🎥 Video Content

I also post videos alongside written content — walkthroughs, study sessions, and experiments.

Videos are often embedded directly in related blog posts.


🔗 Find Me Elsewhere


🧠 Why This Site Exists

This isn’t a polished portfolio.
It’s a working notebook, a résumé in motion, and a place to think out loud.

If something here helps you — awesome.
If something here is wrong — even better, let’s fix it.

Thanks for stopping by.

Popular posts

  1. Summary

    I wanted a way to change the colors of my applications and also sync my wallpaper with my lockscreen. So I spent a few hours tinkering with Waypaper.

    Every attempt I found online wanted me to use a separate bash script and have Waypaper trigger it. That was annoying, and I don’t want a bunch of random scripts on my PC. Since Waypaper can trigger commands directly, I decided to just use that instead.

    tag1 tag2

  2. Summary

    After spending significant time using NixOS, I decided to move back to a more traditional Linux distribution. This wasn’t because NixOS is bad — it’s powerful — but because it wasn’t aligned with my current learning and career goals.


    What I Loved About NixOS

    NixOS is a declarative operating system. Instead of manually installing packages one by one, everything is defined in configuration files.

    That means:

    • Reproducible systems
    • Clean rollbacks
    • Immutable infrastructure
    • Powerful DevOps-style workflows

    It gave me the “immutable system” I always wanted.

    linux nixos career learning

  3. Summary

    I was getting into trying tmux again. Previously, I tried it without any configuration and without a split keyboard. Now I have a tmux + vim workflow.

    Since I am a system administrator, I can’t change the main keybindings of tmux. Even so, it works well for me with a split keyboard because I follow a lot of the Primeagen workflow ideas.

    In the past, I would just open another terminal window. That worked, but it was not efficient because I wood take my hands of the keyboard to hover the mouse over the window. In this post, I’ll go through the applications I use and how my workflow fits together.

    terminal tmux vim linux workflow

  4. What am I saying?

    Mental fatigue is your mind’s ability to self-regulate breaking down over time.

    When mental fatigue gets high, you don’t want to do anything responsible. You feel lazy, unmotivated, and avoid effort. For example, after a long day of work, you know you should eat healthy, but you don’t want to deal with it.

    From the moment you wake up to the moment you go to bed, mental fatigue slowly increases.

    mental-fatigue productivity self-regulation burnout digital-life

  5. Summary

    i have came to a epiphany that i have gotten bored of the music that i listen to. the genres that I would listen to. they lost the joy of listening to me. I don’t know when it happen but it did. If anyone reads this you probably ran into the same thing that I just did i don’t know of the fix.


    theory 1

    I listen to a wholly different genre like classical music or country. That might work and find music that I would like there.

    music burnout reflection

  6. Garouden: The Way of the Lone Wolf was a huge refresher for me because it’s a simple story told extremely well. There are no explosions, no supernatural power-ups, and no flashy gimmicks—just grounded martial arts and human struggle.

    The main character loses his parents at a young age and grows up training in martial arts. One night, an intruder breaks in and has already beaten his master’s daughter. While protecting her, the MC kills by throwing him head-first into a rock. That single moment forces him to go on the run and sets the entire story in motion.

    anime reviews

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