TL;DR: How to fix SSL certificate auto renew for Rancher 2.4 Motivation Rancher is a great tool that makes it easy to create and manage clusters in kubernetes. Out of the box, it includes a lot great features like CI/CD pipelines or automatic node provisioning. However, this powerful abstraction has a…

TL;DR: How to create a clone of a running Postgres database using LVM2 Snapshot capability Motivation There is a lot of literature about how to create backups for Postgres databases. Most of them use the pg_start_backup and LVM2 Snapshot capabilities to create backups and PITR recoveries. But, what if you only…

TL;DR: How to run vosk stt service in your Kubernetes cluster Motivation This how-to is part of a serie of post about how to run some services powered by deep learning models as Kubernetes services. LibreTranslate: your own translation service on Kubernetes How to create a Kubernetes setup of a open source alternative to Google Translatejmrobles.medium.com Serverless web scraping with NiFi and OpenFaaS How to create and integrate a Selenium serverless scrapper with Apache Nifiblog.devgenius.io

TL;DR: How to create a Kubernetes setup of a open source alternative to Google Translate Motivation Text translation is a usual task for many IT projects. If you want to translate something you probably use a service like Google Translate. It’s a good service but if you want to use via…

TL;DR: How to create and integrate a Selenium serverless scrapper with Apache Nifi Motivation OpenFaaS is a great serverless framework. In my previous article I showed how to create a serverless function with a rapid development cycle fashion. Develop OpenFaaS functions quickly with Okteto Speed up your serverless functions development with Oktetojmrobles.medium.com A great advantage of the serverless paradigm is the flexibility. …

TL;DR: Develop your serverless functions as if you are in local DISCLAIMER: I do not have any kind of collaboration agreement with OpenFaaS or Okteto. UPDATE 29/Oct/21: Alex Ellis, founder and main contributor of OpenFaaS, gave me feedback on some inconsistencies and nuances about OpenFaaS and Okteto. …

TL;DR: How to setup Apache NiFi on Kubernetes in 1 minute Motivation Apache NiFi is one of the most used tools data processing tools. With a great web base GUI you can design and deploy complex datapath workflows easily. The core package includes a lot of operators (connectors). You can get…

TL;DR: In 5 minutes you’ll have your full serviceless platform in your Kubernetes cluster. Motivation: Why do you want a FaaS? OpenFaaS is an open-source FaaS framework. Yet another “serviceless” framework (Function as-a Service). It has a community open source version and commercial “pro” version (SSO and others enterprise must services). Unlike microservices, FaaS is designed to…

TL;DR: How to deploy pgbouncer on Kubernetes to allow use more database connections Motivation If you develop apps using frameworks such as Django o RoR, you have probably faced the following problem/error. FATAL: sorry, too many clients already As you know, these kind of frameworks uses a database connection pool with…