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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: Always nam

Ubuntu Honduras in the FLISOL

Ubuntu Honduras was present in the  FLISOL San Pedro Sula There were several presentations in the FLISOL. Ubuntu Honduras team members talk about the following topics:
  • What is Ubuntu
  • Open Hardware
  • C++ with Cocos2dx
  • Backbone.js
Besides the 3 speakers, there were members of Informatica Libre helping people installed Ubuntu and other GNU/Linux distributions to the people who wished to have a GNU/Linux version.

There were aproximately 300 people in this event. Many of them were high school students. This event help students understand the importance of Free Software in our daily life.

To know

What is FLISOL?
FLISOL, an acronym for Festival Latinoamericano de Instalación de Software Libre (Latin American free software install fest), is the biggest event for spreading Software Libre since 2005, performed simultaneously in different countries of Latin America.

FLISOL San Pedro Sula (FLISOL SPS)
This is a newspaper article talking about FLISOL

The FLISOL took place in San Pedro Sula Honduras at the university UNAH-VS.

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  1. La verdad si. Solo es un pequeño resumen de la presentación de Ubuntu Honduras en el FLISOL en San Pedro Sula

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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: Always nam

Getting Docker Syntax In Gedit

I have been working with docker in the last days, and encounter the syntax issue with gedit. Just pure plain text. So make a small search and found an easy way for fixing this. I found Jasper J.F. van den Bosch repository in GitHub and found the solution for this simple problem. We need to download the docker.lang file, available here:  https://github.com/ilogue/docker.lang/blob/master/docker.lang After that, you go to the folder you save the file and do the following command. sudo mv docker.lang /usr/share/gtksourceview-3.0/language-specs/  If this doesn't work you can try the following: sudo mv docker.lang  ~/.local/share/gtksourceview-3.0/language-specs/ And that's all! Screenshot of gedit with no docker lang Screenshot of gedit with docker lang

Using the calculator in the terminal

Hi to all, this is a small issue I had the last days. Use a calculator in the terminal. I have been working and sometimes need to do an arithmetic operation so I decided to open  calc (Ubuntu Calculator Default). But I was wondering, there has to be a way to use a calculator in the CLI. So after some search in the engine I found this question in Ask Ubuntu and tried several options. I will only write about the  best solution I found for my needs. In the question, you can find several solutions and probably you will find a different solution that will be best for you. CALC (Arbitrary precision calculator) Calc is an arbitrary precision arithmetic system that uses a C-like language. Calc is useful as a calculator, an algorithm prototyper and as a mathematical research tool. More importantly, calc provides one with a machine independent means of computation. Calc comes with a rich set of builtin mathematical and programmatic functions. If you want to install calc you can use th