How to train and use a custom YOLOv7 model
We examine YOLOv7 & its features, learn how to prepare custom datasets for the model, and then build a YOLOv7 demo from scratch using NBA footage.
How to Install Packer on Oracle Linux 8
Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying install packer on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Install Packer on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]
Using the system(“pause”) command in C++
URL: https://www.progressiverobot.com/system-pause-command-c-plus-plus/ In this article, we'll take a look at using the system("pause") command in C++. Before going through this article, note this the system("pause") command is _only_ available in Windows Systems. This means that you cannot use this from any Linux / Mac machine. The system() command Before going through the system("pause") command, let's […]
Monitoramento para Deployments Distribuídos e de Microsserviços
O monitoramento de sistemas e da infraestrutura é uma responsabilidade central de equipes de operações de todos os tamanhos. A indústria desenvolveu coletivamente muitas estratégias e ferramentas para ajudar a monitorar servidores, coletar dados importantes e responder a…
Arch Linux — lib32-freetype2 — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read • Source: Arch ASA ASA-202010-11 Related CVEs: CVE-2020-15999 CVE-2017-8287 CVE-2017-8105 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 2.10.3-1. Fixed in: 2.10.4-1. Group: AVG-1255. Table of contents Symptom & Impact Environment & Reproduction […]
How To Write Modules in Python 3
This tutorial will guide you through writing Python modules for you or others to use within your program files.
How To Use Port Knocking to Hide your SSH Daemon from Attackers on Ubuntu
Port knocking is a method of protecting your services behind a firewall until connection attempts are made to a specific sequence of ports in a certain amount of time. The firewall rules are then modified to allow access to the service and the user can connect as normal. In this article, we will discuss how to implement port knocking to add an extra layer of protection to your SSH daemon in order to dissuade attackers.
How To Install MediaWiki on Ubuntu 14.04
MediaWiki is a PHP wiki package, originally intended for use on Wikipedia, which allows anyone to create their own personal wiki site. This tutorial goes through how to set up MediaWiki on a Ubuntu 14.04 Droplet.
How To Install and Configure Ghost on CentOS 7
Ghost is a light-weight open-source blogging platform which is easy to use. Ghost is fully customizable, with many themes available. In this tutorial, you’ll set up Ghost on CentOS 7. You’ll also configure Nginx to proxy requests to Ghost, and keep…
How To Encrypt Tomcat 8 Connections with Apache or Nginx on Ubuntu 16.04
Apache Tomcat is a web server and servlet container designed to serve Java applications. Frequently used in production enterprise deployments and for smaller application needs, Tomcat is both flexible and powerful. In this guide, we will discuss how to secure your Ubuntu…
