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Tiempo de lectura: < 1 minuto Reading time: < 1 minutes Today we’re going to see how to install Docker and Docker Compose on Oracle Linux. The first thing we’re going to do is update the system: sudo yum check-update Then we add the Docker repository: dnf config-manager --add-repo=https://download.docker.com/linux/centos/docker-ce.repo Now we install Docker: dnf install docker-ce -y And it will start ... Read more
Tiempo de lectura: 2 minutos Reading Time: 2 minutes Good morning, in today’s tutorial, I’m going to show you how I solved an error that occurred to me a couple of times and I couldn’t figure out how to fix. When running the application on my mobile device locally or on any mobile device, it is done with the following … Read more
Tiempo de lectura: 2 minutos Reading time: 3 minutes DMARC (Domain-based Message Authentication, Reporting, and Conformance) is an email authentication protocol designed to enhance security and combat phishing and identity spoofing in email messages. DMARC combines two previous authentication technologies, SPF (Sender Policy Framework) and DKIM (DomainKeys Identified Mail), to provide an additional layer of verification and protection in email … Read more
Tiempo de lectura: 2 minutos Reading Time: 3 minutes SPF (Sender Policy Framework) is an email authentication mechanism that helps prevent identity spoofing and unwanted emails. It allows email servers to verify if an email message sent from a specific domain has been sent from an authorized source. Here’s how SPF is used: Configure SPF records: To use SPF, you … Read more
Tiempo de lectura: 2 minutos Reading Time: 2 minutes Hello, today we are going to see how we can install Portainer for our Docker projects. Portainer is a container management platform that provides a graphical user interface (GUI) for managing and monitoring container environments. It allows users to easily manage container clusters, create, start and stop containers, manage container images, … Read more
Tiempo de lectura: 3 minutos Reading time: 3 minutes Hello, today we are going to see how we can automatically update our Docker containers using Watchtower. Step 1: Installation of Docker and Docker Compose Before we begin, make sure you have Docker and Docker Compose installed on your system. You can follow the official Docker instructions to install these tools … Read more
Tiempo de lectura: < 1 minuto Reading time: 2 minutes Hello, today we are going to see how we can install Docker and Docker Compose on a Raspberry Pi. The first thing we need to do is run this command to update the OS resources: sudo apt update sudo apt upgrade First, we install these dependencies necessary to install the Docker … Read more
Tiempo de lectura: 2 minutos Reading time: 2 minutes Hello, today we are going to learn how to perform testing using Jest in React Native and Expo. Let’s assume you have a login component called LoginScreen that contains user input fields for username and password, as well as a login button. First, make sure you have Jest configured in your … Read more
Tiempo de lectura: 2 minutos Reading time: 2 minutes Hello, today we are going to see how we can perform Unit Tests using Mocha in React Native. The first thing we need to do is install the dependencies for testing: npm install –save-dev mocha chai sinon nyc istanbul-lib-coverage istanbul-reports npm install –save-dev mocha-junit-reporter npm install –save-dev @babel/core @babel/register @babel/preset-env Create … Read more
Tiempo de lectura: 2 minutos Reading time: 2 minutes Hello, today we are going to deploy a Photoprism Docker container to store images like Google Photos on a Raspberry Pi. The first thing we are going to do is create this docker-compose.yml file: version: ‘3.5’ services: photoprism: image: photoprism/photoprism:latest restart: unless-stopped security_opt: – seccomp:unconfined – apparmor:unconfined ports: – 8098:2342 environment: … Read more
