Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure parallel environment (pe) mpi on IBM AIX 7.3 […]
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5425-1 Related CVEs: CVE-2019-20838 CVE-2020-14155 Upstream summary: Yunho Kim discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker could possibly use this issue to cause applications […]
O Python é uma linguagem de programação versátil e pode ser utilizada em vários projetos diferentes de programação. Inspirado pelo grupo de comédia britânico Monty Python, a equipe de desenvolvedores do Python queria torná-lo uma linguagem que fosse divertida de usar. O Python é…
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5547-1 Related CVEs: CVE-2022-31607 CVE-2022-31608 CVE-2022-31615 Upstream summary: Le Wu discovered that the NVIDIA graphics drivers did not properly perform input validation in some situations. A local user could use […]
MariaDB is an open-source database management system, commonly used as an alternative for the MySQL portion of the popular LAMP (Linux, Apache, MySQL, PHP/Python/Perl) stack. It is intended to be a drop-in replacement for MySQL. This tutorial will explain how to install MariaDB on an Ubuntu 22.04 server, and verify that it is running and has a safe initial configuration.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-9649 Related CVEs: CVE-2022-34169 CVE-2022-21549 CVE-2022-21541 CVE-2022-25647 CVE-2022-21540 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]
Grafana is an open-source data visualization and monitoring tool that integrates with complex data from sources like Prometheus, InfluxDB, Graphite, and ElasticSearch. In this tutorial, you will install Grafana and secure it with an SSL certificate and an Nginx reverse proxy. Once you have set up Grafana, you’ll have the option to configure user authentication through GitHub.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2022-9949 Related CVEs: CVE-2022-21619 CVE-2022-21618 CVE-2022-32212 CVE-2022-21628 CVE-2022-32214 CVE-2022-32215 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]
How to Configure Network Settings with PowerShell on Windows Server 2022 PowerShell’s NetTCPIP, NetAdapter, and DnsClient modules provide a complete, scriptable interface for every network configuration task on Windows Server 2022 — from renaming adapters to setting static IP addresses, configuring DNS, managing routes, and testing connectivity. These cmdlets replaced the legacy netsh commands for […]
GraphQL is a query language created with the purpose of building client applications based on intuitive and flexible syntax for describing their data requirements and interactions. In this tutorial, we are going to implement a GraphQL server using Express and use it to learn important GraphQL features.
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