How To Use Multithreading in Node.js
Learn how to use multithreading in Node.js with Worker Threads to run tasks in parallel, improve performance, and optimize CPU-intensive operations.
How to Set Up a Local Kubernetes Dev Cluster with Minikube on Debian 10
Introduction How to Set Up a Local Kubernetes Dev Cluster with Minikube on Debian 10 is a fundamental operation for any administrator maintaining a Debian 10 Buster server. Debian 10 Buster ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency […]
How To Use Git to Manage Your Writing Project
Version control isn’t just for code. It’s for anything you want to track, including content. In this tutorial you’ll use Git to manage a small writing project in Markdown. You’ll store an initial version, commit it, make changes, view the difference between those changes, and review the previous version. When you’re done, you’ll have a workflow you can apply to your own writing projects.
Como configurar um servidor OpenVPN no Debian 9
Quer acessar a Internet com segurança do seu smartphone ou notebook, enquanto estiver conectado a uma rede não confiável como o Wi-Fi de um hotel ou café? Uma Virtual Private Network (VPN) permite que você atravesse redes…
Oracle Linux 8 — libtiff — vulnerability — patch and remediation guide (ELSA-2019-3419)
🟡 Medium ⏱ 10–30 min Last verified: 30 August 2020 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2019-3419 Related CVEs: CVE-2018-12900 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
How To Install Cockpit on Debian 10
Cockpit is a server administration dashboard that allows you to view the status of your server in real time. It provides information on CPU load, filesystem statistics, processes, and further information. In this tutorial, you will deploy a secured Cockpit server administration dashboard on a Debian 10 server.
Como criar um certificado SSL auto-assinado para o Apache no Ubuntu 20.04
O TLS, ou “segurança de camada de transporte” — e seu antecessor, o SSL — são protocolos usados para envolver o tráfego normal em um pacote protegido, criptografado. Ao usar esta tecnologia, os servidores podem enviar informações com segurança aos seus clientes sem que…
Distributed Learning in the Cloud – Thoughts from Education Leaders
Experts from CUNY & Reclaim Hosting discuss how the public cloud can enable education, and encourage educators and students to build their own tech on the cloud.
How to Install Ansible on RHEL 8
Ansible is the leading open-source automation engine for configuration management, application deployment, and orchestration. On RHEL 8, you can install Ansible from the Extra Packages for Enterprise Linux (EPEL) repository or directly via pip3, giving you flexibility depending on your environment. This tutorial walks through both installation methods, basic inventory configuration, and running your first […]
Debian 10: Docker daemon fails after kernel or cgroup changes
🟠 High ⏱ 5–30 min Last verified: 29 August 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 & […]
