🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2020-10756 CVE-2020-1983 CVE-2020-29129 CVE-2020-29130 CVE-2020-7039 CVE-2020-7211 CVE-2020-8608 CVE-2021-3592 +3 more Upstream summary: An out-of-bounds read vulnerability was found in the SLiRP networking implementation of the QEMU emulator. This […]
In this tutorial, we will cover the installation of Nagios 4, a very popular open source monitoring system, on Ubuntu 14.04. We will cover some basic configuration, so you will be able to monitor host resources via the web interface.
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-6163-1 Related CVEs: CVE-2021-20307 CVE-2021-33293 Upstream summary: It was discovered that pano13 did not properly validate the prefix provided for PTcrop's output. An attacker could use this issue to cause […]
Learn how to set up and configure Consul Key-Value (KV) store using Docker. This step-by-step guide covers Docker installation, Consul container deployment, and KV operations for efficient distributed configuration management.
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5014-1 Related CVEs: CVE-2021-33909 CVE-2021-3609 https://launchpad.net/bugs/1924611 CVE-2021-29154 CVE-2021-3492 CVE-2021-3493 CVE-2020-27170 CVE-2020-27171 +12 more Upstream summary: It was discovered that the virtual file system implementation in the Linux kernel contained an […]
Learn how to use the Angular 4+ Meta service, to get, add, update, and remove various meta tags on a route.
Explore how RAG (Retrieval-Augmented Generation) and knowledge graphs tackle AI hallucinations. Understand their role in grounding AI responses with accurate, real-world information for more reliable outputs.
Suricata is a high-performance, open-source network intrusion detection and prevention system (IDS/IPS) that inspects traffic in real time against a rule set to identify threats, policy violations, and malicious activity. On RHEL 9, Suricata integrates cleanly with systemd and can run in passive IDS mode (logging alerts without blocking) or active IPS mode (dropping malicious […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALEA-2021:1861 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2020:5503 Related CVEs: CVE-2020-13249 CVE-2020-2574 CVE-2020-2752 CVE-2020-2922 CVE-2021-2007 Upstream summary: The MariaDB Native Client library (C driver) is used to connect applications developed in C/C++ to MariaDB and MySQL databases. The following […]
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