🟢 Low ⏱ 5–15 min Last verified: 3 April 2021 Affected versions: FreeBSD 12 📖 ~4 min read • Source: FreeBSD VuXML VuXML topic: fail2ban — possible RCE vulnerability in mailing action using mailutils Related CVEs: CVE-2021-32749 Upstream summary: Jakub Żoczek reports: Command mail from mailutils package used in mail actions like mail-whois can […]
Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure snmp on ibm aix 7.1 on IBM AIX […]
Understand SOLID design principles in object-oriented programming to write cleaner, scalable, and maintainable code. A must-read for developers and software engineers.
The Linux Audit System creates an audit trail, a way to track all kinds of information on your system. It can record a lot of data like types of events, the date and time, user IDs, system calls, processes, files used, SELinux contexts, and sensitivity levels. It can track whether a file has been accessed, edited, or executed. It can even track if changes to file attributes.
🟠 High ⏱ 15–60 min Last verified: 3 April 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5425-1 Related CVEs: CVE-2019-20838 CVE-2020-14155 CVE-2014-9769 CVE-2015-2325 CVE-2015-2326 CVE-2015-2327 CVE-2015-2328 CVE-2015-3210 +12 more Upstream summary: Yunho Kim discovered that PCRE incorrectly handled memory when handling certain regular expressions. An attacker […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202208-01 Related CVEs: CVE-2021-21772 Upstream summary: Incorrect memory handling within lib3mf could result in a use-after-free. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis […]
Introduction Oracle Linux 8 ships with a stable, security-hardened base that makes deploying configure ceph cluster on oracle linux 8 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure Ceph Cluster on Oracle Linux 8, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]
![Cómo instalar Nginx en Ubuntu 20.04 [Guía de inicio rápido] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-nginx-on-ubuntu-20-04-quickstart-es-81952-featured.png "Cómo instalar Nginx en Ubuntu 20.04 [Guía de inicio rápido] 8")
Nginx es uno de los servidores web más populares del mundo y aloja algunos de los sitios más grandes y con mayor tráfico en Internet. Es más fácil de utilizar que Apache en la mayoría de los casos y puede emplearse como servidor web o proxy inverso. En esta guía, le…
When dealing with any kind of important data, it is essential that you implement a backup scheme. There are many different ways to back up data on a VPS. In this guide, we will discuss some ways that you can backup your data and discuss the merits of the different options.
Learn how to construct neural networks from scratch with NumPy, and simultaneously see how the internal mechanisms behind popular libraries like PyTorch and Keras are implemented.
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