How To Use Symfony2 To Perform CRUD Operations on a VPS (Part 1)
Here’s the first part in our series on how to use Symfony2 to perform CRUD operations on a VPS.
Cómo instalar Jitsi Meet en Debian 10
El autor seleccionó a Open Internet/Free Speech Fund para recibir una donación como parte del programa Write for DOnations. Jitsi Meet es una…
How to Convert Virtual Machine Image Formats
When you are working with a remote cloud server, you are usually working with a virtual machine: a sandboxed, isolated instance of an entire operating system that is running within a larger server cluster. In this tutorial, you will learn how to convert between virtual machine image formats, so that you can take your virtual environments from your desktop to the cloud and back again as needed.
Como configurar o acesso remoto ao MongoDB no Ubuntu 20.04
Uma versão anterior deste tutorial foi escrita por Melissa Anderson. O MongoDB, também conhecido como Mongo, é um banco de dados de documentos de código aberto usado comumente em…
Comment construire un serveur Hashicorp Vault en utilisant Packer et Terraform sur the cloud provider
L’auteur a choisi le Free and Open Source Fund comme récipiendaire d’une donation dans le cadre du programme Write for Donations. Vault, de Hashicorp, est un…
Using Angular’s Location Service
The common package in Angular 2+ has a Location service that allows to interact with the current browser path.
An Introduction to Hadoop
Apache Hadoop is one of the earliest and most influential open-source tools for storing and processing the massive amount of readily-available digital data that has accumulated with the rise of the World Wide Web. It evolved from a project called Nutch, which attempted to find a…
Debian 10 – mdadm RAID Degraded and Rebuild Stalled – Safe Recovery
🟠 High ⏱ 5–30 min Last verified: 28 July 2020 Affected versions: Debian 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
RHEL 7 Yum GPG Key Verification Fails on Internal Mirror
🟡 Medium ⏱ 5–30 min Last verified: 28 July 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
RHEL 7 systemctl Shows Unit Failed After Boot
🟡 Medium ⏱ 5–30 min Last verified: 28 July 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]