Projects
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Sudoku solver in Rust (part 2)
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This is the follow up to https://camilo.matajira.com/?p=673.Back then I struggled to implement my “usual” solution to sudoku puzzles. My key pain…
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My failed sudoku solver in Rust
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For this project, I decided to revisit my classic sudoku solver: A project I like to implement whenever I’m learning a…
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jed v0.2
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This is version v0.2 of jed.Jed is a command-line tool that aims to be the spiritual successor of sed but specialized…
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My ‘word count’ version in Rust
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This is my first small program in Rust. The idea was to implement a version of Linux’ wc command in Rust.…
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Using Powens’ API to fetch my Free Mobile phone bills
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Introduction In this post I followed the powens API documentation to retrieve my mobile phone provider bills automatically. Powens is a…
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Jed v0.1 – Parsing the DSL with Lark
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Following the previous post, this post deals with the parsing of the DSL or grammar of jed.The idea of this mini…
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JED, the loyal json successor to SED
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Lately, I have felt dissatisfied with jq for manipulating json in the command line and in scripts.The personal reason, is that…
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LLM Agent based on public information of ${CURRENT_COMPANY} using AWS’ Bedrock
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Summary As part of a AI hackathon, I created a simple tool that allowed me to query with human language the…
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Ansible meets UV
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Introduction Ansible is still the most powerful Configuration Management tool in 2025. It’s used mainly to configure and manage bare-metal servers…
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Create Debian package with virtual environment and Python interpreter inside using UV
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Goals: Create a Debian package that contains both the virtual environment and the Python interpreter inside. Why is this project useful?…
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Create debian package out of a Python installed via UV
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Objective Package a Python interpreter, that I will install via UV, in a debian package.Specifically, I chose Python 3.9 (yes it’s…
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Completely automated Debian 11 installation with PXE (and Ansible)
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Objective Build a system that allows me to install a Debian server or laptop with minimal human intervention. Git Repository https://gitlab.com/matajira/pxe_boot…
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SysadminDB
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This is a proof of concept of SysadminDB: a database for System Administrators Available here: https://gitlab.com/matajira/sysadmindb.The Unique Value Proposition is that…
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Packaging a Pandas / Numpy project for Debian 9 and 10 using dh-virtualenv
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In this post we are going to create a debian package for a project that involves importing pandas and numpy. We…
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How to create a Python Debian package with dh-virtualenv
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Problem to solve: I wrote a Python application that is supposed to run on Debian 9/10.The application uses Python 3.5, but…
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Creating a static website with Terraform and AWS’ S3
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In this project I want to provision an S3 bucket with Terraform, and then use the AWS cli to copy the…
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Self-Service Infrastructure
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Objective Linux System Administrators are constantly interrupted with tasks that could be delegated to someone else. For example: Create a new…
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CR Search Engine
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Objective Given the bast literature concerning Christian Reconstruction. I wanted to create a tool that allowed me to search for specific…
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Python SSH Debugger
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In my job as a Linux System Administrator, a considerable amount of the support requests that I receive are related to…
