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When “Pre-Installed OpenWrt” Isn’t Plug-and-Play

  Lessons Learned After Finally Configuring a Raspberry Pi CM4 Mini Router (Bought in 2022) Product Mini Router built with Raspberry Pi Compute Module 4 Dual Gigabit Ethernet NICs 4GB RAM / 32GB eMMC Pre-installed OpenWrt Compact form factor, fanless, low power Background: A Device That Waited Its Turn I bought this device back in 2022 . At the time, it looked like the perfect small router: Raspberry Pi Compute Module 4 Dual Ethernet ports OpenWrt already installed No SD card required thanks to eMMC But like many homelab projects, it ended up sitting on a shelf . Fast forward to today — with more networking experience, a clearer home network plan, and a real need for a flexible router — I finally decided to configure it properly. That’s when the real journey started. What I Expected (Even in 2025) Even knowing this wasn’t a consumer router, I still expected: Plug WAN into my upstream router Plug LAN into my laptop Access 192.168.1.1 Hav...
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Pedaliando en San Pedro Sula

Siempre me ha gustado practicar deporte. Trate con el fútbol, pero desistí al no tener un talento para este deporte. Practique atletismo por mas de 5 años, logre ganar varias competencias y medallas pero me retire. Hace 2 años atrás empecé andar en bicicleta. Inicie con una Bacini, después me de un accidente, lo deje por varios meses hasta cambiar de bicicleta. Intente hacerlo constante, pero cambios de horarios en el trabajo, el miedo de salir de noche u otras excusas que uno es bueno inventando para no practicar deporte. De lo que va del año he salido las siguientes veces.

Mes Pedaleadas
Enero 4
Febrero 1
Marzo 2
Abril 8
Mayo 1
Junio 1
Julio 0
Agosto 3
Septiembre 4
Octubre 5
Noviembre 1

Si se percatan es poco o nada lo que he salido este año.
Me propuse tratar de salir en las mañanas antes de ir a trabajar este mes de Diciembre.Si no es andar en bicicleta, es correr o tratar de hacer un poco de ejercicio.Lastimosamente el día de ayer 1 de Diciembre me dormí. Pero hoy si logre hacerlo. Fueron 11.23 kilometros los que logre hacer el dia de hoy. A una velocidad promedio de 16 km/h en 41 minutos 59 segundos. Si desean ver la ruta
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Ubicación: San Pedro Sula, Honduras

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Modern Architecture for Native Apps with AWS Backend: A Practical Guide

Introduction Designing a mobile app today goes far beyond building a beautiful interface. Native apps — whether for iOS or Android — need secure authentication, user role management, real-time communication with the backend, and scalable infrastructure to support growth. In this post, I’ll walk you through a clean and modern architecture to connect native mobile apps to a robust backend on AWS. The architecture is modular, scalable, and aligned with best practices for security and performance — without relying on overly complex tools. Why it matters: apps today are more than just UI A production-grade mobile app often includes: User login (email, Google, or others), Differentiated access for multiple roles (e.g., user vs admin), Secure token-based communication, A backend capable of handling business logic and data, Data storage, asset management, and scalable APIs, Compliance with Google Play and App Store requirements. All of these require a backend architecture ...
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Understanding Liveness, Readiness and Startup Probes in Kubernetes

 This is a small article about understanding the liveness, readiness and startup in kubernetes.  There's good explanation in the kubernetes documentation: https://kubernetes.io/docs/tasks/configure-pod-container/configure-liveness-readiness-startup-probes/ This video also explains well the process: https://www.youtube.com/watch?v=aTlQBofihJQ But I wanted to understand it in a practical way. So I have this demo: https://github.com/DiegoTc/guest-book-js-docker/tree/Running-App-Version-1 It's a simple application running on a kubernetes cluster. https://github.com/DiegoTc/guest-book-js-docker/blob/Running-App-Version-1/argo/deployment.yaml apiVersion: apps/v1 kind: Deployment metadata: name: chat-ui spec: replicas: 1 revisionHistoryLimit: 3 selector: matchLabels: app: chat-ui template: metadata: labels: app: chat-ui spec: containers: - image: diegotc/guestbook:20230803-064434 imagePullPolicy: Alwa...
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How I miss you Synaptic!

Several years  have passed since we saw the Synaptic included in Ubuntu. You can found reasons here  . So in a clear english the reason was to have a better add/remove program for users. A friendly application. The explanation sounds good, I didn't complain about that, until right now. Ubuntu has change a lot, it's really a friendly user OS. I have use CLI when necessary, but today I couldn't believe it. I'm a Google Chrome user, I know you will tell me it's not open source or I should use Chromium or FF. But no. I'm a user of Google Chrome, and many people also prefer Chrome over Chromium, so why it should be quite complex remove it? If Ubuntu wants to be more friendly user why you should use the terminal for removing one of the most popular web browsers? I could understand if is a browser few people use, a good reason. But not a popular browser, Chrome is one of the most popular browsers on the world! A screen shot of the Ubuntu Software Center, trying t...
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