How to Set Permissions in Linux: A Guide to chmod and chown
Learn how to set file and directory permissions in Linux using chmod, chown, and chgrp. Understand permission codes like 755 and 777
How to Configure SNMP Monitoring on RHEL 7
How to Configure SNMP Monitoring on RHEL 7 Simple Network Management Protocol (SNMP) is one of the most widely supported protocols for monitoring network devices, servers, storage appliances, and virtually any managed infrastructure component. Configuring SNMP on Red Hat Enterprise Linux 7 allows your monitoring platform — whether Zabbix, LibreNMS, Nagios, or Prometheus with the […]
How To Install Prometheus on Ubuntu 16.04
Prometheus is a powerful, open-source monitoring system that collects metrics from your services and stores them in a time-series database. This tutorial teaches you how to install, configure, and secure Prometheus and Node Exporter to generate metrics that will make it easier to monitor your server’s performance.
How To Create a Small Web Application with CakePHP on a VPS (Part 1)
CakePHP is a powerful and robust PHP framework built around the Model-View-Controller (MVC) programming paradigm. Here’s part one concerning how to create a small web app on a VPS.
Erstellen eines redundanten Speicherpools mit GlusterFS unter Ubuntu 20.04
Eine frühere Version dieses Tutorials wurde von Justin Ellingwood verfasst. Single Points of Failure stellen bei der Speicherung kritischer Daten ein beträchtliches Risiko dar. Während sich mit vielen Datenbanken…
Debian 10 — openvswitch — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2015-8011 CVE-2020-35498 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]
How To Get a User’s Location with the Geolocator Plugin in Flutter
A simple guide on how to use the Geolocator plugin in Flutter to get the current latitude and longitude coordinates, and even get a placemark address.
Etapas Adicionais Recomendadas para Novos Servidores CentOS 7
Depois de definir a configuração mínima para um novo servidor, existem algumas etapas adicionais que são altamente recomendadas na maioria dos casos. Neste guia, continuaremos a configuração de nossos servidores, abordando alguns procedimentos recomendados, mas opcionais.
Cómo configurar un firewall con UFW en Debian 9
UFW o Uncomplicated Firewall es una interfaz para iptables orientada a simplificar el proceso de configuración de un firewall. Aunque iptables es una herramienta sólida y flexible, puede resultar difícil para los principiantes aprender a usarlo para configurar…
How to Install Node.js on Debian 10 – Apt, PPA & nvm Guide 2025–2026
Learn how to install Node.js on Debian 10: default apt, NodeSource PPA (latest LTS/current), and nvm for multiple versions. Step-by-step guide with verification
