Consejos sobre Apache Spark.
Preguntas y respuestas sobre Spark en ChatGPT
Some linux commands
100+ Linux commands that Linux Sysadmins regularly use, with explanation. Thank you @linuxopsys. 100+ Linux commands that Linux Sysadmins regularly use, with explanation cut : allows you to cut out sections of a specified file or piped data and print the result to standard output. sort : used to sort files uniq : used to…
About how to use GH actions to create a CI/CD pipeline with maven, docker, discord and snyk.
About how to use GH actions to create a CI/CD pipeline with maven, docker, discord and snyk.
Acerca de como usar GH actions para crear un pipeline CI/CD con maven, docker, discord y snyk.
pipelines CI/CD
Troubleshooting k8s, helm, etc
https://static.learnk8s.io/troubleshooting-kubernetes.aeb4a7d680aedf1c970e51ad6ad05548.pdf This is an internal post of mine, to remember things I have to finish, tabs open for a long time in Safari, things like that. https://kubernetes.io/es/docs/home/ https://learnk8s.io/templating-yaml-with-code Bonus track, some useful resources. https://java.by-comparison.com https://devresourc.es (Create cool posts) https://carbon.now.sh/tH8akpzZiWj8OrjC2Pzv (Daniel`scala course. Basic.) https://rockthejvm.com/p/scala-at-light-speed (Files from the Bret k8s course. Forked) https://github.com/alonsoir/udemy-docker-mastery/tree/main/k8s-yaml (how to install new…
A quick run of trivy scanner
About using code scanners to have a minimum of quality when deploying software in production.
Working with k8s services
working with k8s in a terminal launching commands. Creating services, deployments,...
About how to create a CI/CD environment using open source tools.
How to create a ci/cd pipeline using tools available to everyone. Ansible, Jenkins, Docker.
Acerca de algunas notas sobre arquitectura de microservicios
Mis notas sobre el curso de microservicios de Atomikos junto con un análisis. Estoy analizando los dos protocolos existentes a dia de hoy para crear una arquitectura de microservicios, Two Commit phase y Saga. Es un trabajo en progreso, mientras más aprenda y comprenda sobre este concepto, iré añadiendo más notas. Introducción Si ya es…
First steps with Kubernetes
I'm an osx user, so these instructions are intended for this system, in case I have to restart it. Once Docker.app is started, you enter in preferences, Kubernetes, click on initialize Kubernetes. After a minute or so, you will get the indicator that Kubernetes is up and running. By default the Dashboard does not start,…
Parsing an exception in a long running Spark Streaming application.
We start from the fact that the exception appears at some point in the execution: java.io.IOException: Filesystem closed. and GC HEAD OVER LIMIT. It does not indicate how this last message appears, but I think it is not very important. Now, I'm going to try to figure out what's going on by asking questions and…
Analizando una excepción en una aplicación Spark streaming de larga duración.
Analizando una excepción Filesystem closed en una app spark streaming de larga duración.
Principios Solid
S: Single Responsability Principle, Establece la responsabilidad sencilla de una clase, componente o servicio, es decir, que no hagan mas de un tarea. O: Open/Closed Principle, establece que las clases se puede utilizar o extender mejor dicho en cualquier parte de la solucion pero no se podra bajo ningun motivo modificarla. L: Liskov Substitution Principle,…
Personalización de zsh en Kali (y osx)
Gracias Santiago Hernandez, me viene genial para tener unificado esta configuración, con la que no estoy al 100% contento porque quiero que la información de la derecha aparezca a la derecha del todo, pero se acerca bastante. Lo primero de todo comprobamos la shell en la que se esta trabajando. Recuerda que $$ se corresponde…
Cybersecurity Course Notes
Hi, it is been a while since i write here, sorry about that. Recently i have been doing some courses of offensive security and now i need to put things in order in my head because there is a lot of content. Work in progress. Passive gathering of information: 1) google dorks! -> https://github.com/ivan-sincek/penetration-testing-cheat-sheet#google-dorks 2)…
Some notes from a k8s course
Hi, I'm going to share all my notes that I've created from doing a couple of courses on k8s taught by Bret Fisher on Udemy. The courses, which I recommend, are this one and this one. First of all, thank you very much Bret. It is huge file, so i will share the whole file…
Aironman techblog 