Jacob Salmela - Jacob Salmela

Kdump in an hour provides instant relief

I have created my first bite size course. It's actually less than an hour long, but if you need to learn about kdump, this is the place to do it. I cover how to: install and configure kdumptest crashing a system debug and navigate a system dump using crashIf you'd

ebiten

Ebiten Space Game Progress Continues...

I'm still hooked on Ebiten for 2D games. My game is progressing and the code is becoming more maintainable, which is my real goal--so I can quickly scale, fix, or enhance the game. My latest struggle was with ebitenui, which is a framework for creating User Interfaces (UIs) with Ebiten.

ebiten

Progress on My Ebiten Game Made in Two Months

Pictures speak volumes, so I'll add those and little captions to each one. I was able to get a new screen drawn when a user clicked on a planet. I added some asteroids, but as you can see, the animations were not working.I did get the animations to settle,

ebiten

2D Game Development Log with Ebiten--now on Twitch

I'm moving my development live streams over to Twitch. It seems like a better fit for it (and no one is watching on YouTube). You can find it here: jacobsalmela - TwitchI’m a software engineer who loves software.TwitchI have made good progress since my last post about the

ebiten

Ebiten 2D Game Development Live Stream - Procedural and Randomly Generated

My latest obsession is Ebiten. It's a great framework for developing games in Go. I have always wanted to write and design a game, but every time I have tried, I fell short until I started working with Ebiten. There are so many components to a game and pieces of

Print-and-play LaTeX game in a foldable, 8-page booklet

I recently back Humans. on Kickstarter. It's this nifty little game you can print on a single sheet of paper and then fold it into an 8 page booklet like this: I really liked the idea and I have experimented making my own print-and-play games in LaTeX. I thought this

sampo

Live stream coding session: watch me write shell code

update: cancelled for now due to a sick child I'm going to start doing some live streaming this Saturday morning as I write shell code to do things. Come watch and we can learn and collaborate together. Just check out my channel below. Jacob SalmelaI work in High Performance Computing

shell-scripts

Shell Scripting For Humans, Now Free On YouTube

Interested in learning shell scripting? I'm making my first course available on YouTube, and I'll be posting a new video each day. Subscribe to get notified when each new video is made available and you can learn shell scripting in 98 days with just a few minutes a day. Shell

udemy

Upcoming Udemy Courses

In addition to my shell scripting series, I am creating several highly-focused topics relating to Linux. These will be $5-$10 courses that focus on some things like dracut, kdump, cloud-init, etc. I often find myself needing certain knowledge in focused areas. so instead of a giant course on "Linux,

tips

Hosting Tabletop Game Nights During COVID Complete With Sound Effects

As we approach a year of the virus, I missed having my monthly game nights. I have done a few virtual sessions of Cartographers, in which I used my phone as a camera for the components, and then each participant was able to use their own print-and-play copy of the

udemy

Try My Udemy Course For Free

Feedback on my shell scripting course has been positive so far. I have a college student taking who's new to computer programming, so I think that will serve as a great test of the target audience. I also had a seasoned IT pro take the course and learn a thing

shell-scripts

Udemy Course Open For Real This Time

I published my Udemy course where you can learn shell scripting in three hours yesterday, but some technical troubles meant people could not enroll. If you're interested still, you can use COWSAY_THANKS as your coupon code for a better price as a thank you for reading my blog page.

shell-scripts

Learn Shell Scripting In 3 Hours

UPDATE 3: It's working now. UPDATE 2: Just wait a while if you want to enroll. Udemy support is doing things. UPDATE: Udemy kidney punched me and you may not be able to enroll. I'm working on fixing that now. This won't make you an expert, but I did design

shell-scripts

RFP: Design A Simple But Fun Game That Makes Calls To My API

I have thought about this type of project for a long time and was wondering if anyone out there already has or wants to create a game in Construct 3, which I can collaborate on to make calls to an API that I am developing. I envision a game where

Four Years Later: Running Your Own Anonymous Email System

This post is in reference to a procedure I developed to anonymize your email address, similiar to what Abine offers with their Blur product.I originally thought of this because of all the data breaches that were happening. Those certainly have not waned in recent years. The overall concept was

dropbox

Four Years Later: Symlinks and Dropbox for Backup and Restore

Note: This post is about is a homegrown solution to backups/restores I developed four years ago, not the newly-announced Dropbox Backup. I originally developed this method for four reasons: restoring from backups was never a seamless or pain-free processsettings and preferences I adjusted over time were inevitably lost and

shell-scripts

Coming Soon and Paying Respects

The image is my only clue.

ascii-planets

ASCII Planets: An Open Source Board Game Written In LaTeX

I designed my first board game. Really, I just built off of the fantastic work Topi Turunen did with ASCII Empires. It's essentially a re-theme of that game, but I spent a lot of time writing it in LaTeX so others can contribute and make the game better or potentially

sampo

Introducing Sampo: A Bash API Server For Running Shell Scripts

v1.0 of Sampo is an MVP. Written in bash, it is a shell script API server you can run directly in your terminal or via container on Kubernetes. It's open source and I hope you'll consider contributing. It looks like this if you run it directly in your shell:

Would You Be Interested In A Shell Scripting Course?

I have been writing shell scripts for over a decade now, and I have learned a lot. Would you be interested in a Udemy course on learning shell scripting from the very basics to some advanced features? Please let me know directly or in the comments if you'd be interested.

git

Git Rebase Struggles Conceptualized With Pikmin

If you haven’t already, take a look at my first git rebase / Pikmin blog post about how to learn and use git rebase. That post covers the basics, while this one will conceptualize how to use git rebase when things go bad: conflicts, force pushing, and working with a

git

Git Rebase Is The Pikmin Of Source Control

git isn’t easy to learn, and once you do, the git rebase command seems to invoke fear and confusion in many people. But once you learn how to use it effectively, you’ll wish you had learned it sooner–both for your solo projects and while working on a

hacks

Dynamic Profile And Badge Switching Without Shell Integrations In iTerm2

I use iTerm2 for all my terminal work. One very nice feature it has is dynamic profiles. But I usually don’t want to install shell integrations on every server. Instead, I use my dotfiles and an SSH config to change profiles. While working across different local, development, and production

ansible

How To Create A Custom, Dynamic Inventory Script for Ansible

Writing a dynamic inventory script for Ansible can be useful for more than just getting a list of hosts to run a play against. It can also function as a standalone command line utility for your infrastructure. The first time I wrote one, I had a difficult time finding information

kubernetes

Spacewalk--Containerized And Running In Kubernetes

Spacewalk is a decent open source project for patch management but there is no native support for running it in a container. I’m a fan of Spacewalk and use it daily but it falls short in a few areas–namely, it’s a large monolithic application, which I’m