Lets Encrypt

This short note describes how to setup minimal testing environment for MQTT over WebSocket over SSL/TLS under the MQTT broker is behind Traefik and is using Let’s Encrypt cert condition. Docker & docker-compose Install Docker & docker-compose to your testing box. I used Ubuntu 22.04 LTS for this test. sudo apt update &&…

HTTPS implementation is very important to make a secure connection between server and client . In nutshell, either server or client (browser) have secret key to encrypt and decrypt an incoming request or outgoing request / message. …

NameCheap doesn’t support Let’s Encrypt natively, But provides option so you can setup LetEncrypt SSL certificates using different utilities like getSSL or ACME.sh, having used both found acme.sh to be quite better and simple to use + it supports auto renewal too. 1 — Enable SSH to get into…

Caso seu servidor de hospedagem não possua um plugin para realizar a geração de certificado através do Lets Encrypt, é possível realizar o procedimento de forma manual seguindo este simples tutorial. Lembrete: O domínio www.seudominio.com.br é apenas um domínio de exemplo. …

Hi Everyone, How are you doing? Prometheus is a free software application used for event monitoring and alerting. It records real-time metrics in a time series database built using an HTTP pull model, with flexible queries and real-time alerting. I have already created an Azure machine with Ubuntu 20.04 …

Background This is some progress for part of a side/pet project over months that I failed to achieved before with Docker Desktop on WSL The objective was to create a local Kubernetes cluster for testing out some CI/CD as close as possible to a production system (not on infrastructure and networking…

之前做的專案剛好處於未來狀態不明的狀態，安裝的 Godaddy SSL 又快要到期了，那來重溫一下 Cerbot 的懷抱好了 What’s Certbot? Certbot is a free, open source software tool for automatically using Let’s Encrypt certificates on manually-administrated websites to enable HTTPS. Certbot is made by the Electronic Frontier Foundation (EFF), a 501(c)3 nonprofit based in San Francisco, CA, that defends digital privacy, free speech, and…

Use the Cert-Manager ACME DNS01 solver to generate SSL certificates for the same domain across multiple Kubernetes clusters — The Problem Imagine that you own the domain, example.com. You want to setup 2 Kubernetes clusters using the Digital Ocean Nginx Ingress setup guide. You choose to use the subdomain dev.example.com for the development cluster and the root domain example.com for the production cluster. …