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FreeBSD 13 — xen-kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — xen-kernel — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 14 May 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: xen-kernel — multiple vulnerabilities Related CVEs: CVE-2015-0268 CVE-2015-1563 CVE-2015-2044 CVE-2015-2045 CVE-2015-2151 CVE-2015-2751 CVE-2015-2752 CVE-2015-3340  +12 more Upstream summary: The Xen project reports multiple vulnerabilities. Table of contents Symptom & Impact […]

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Oracle Linux 8 — samba security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — samba security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-7139)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 May 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7139 Related CVEs: CVE-2023-34968 CVE-2023-34967 CVE-2023-34966 CVE-2022-2127 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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AlmaLinux 8 — spacewalk-remote-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — spacewalk-remote-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2019:3355 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 […]

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K-Nearest Neighbors (KNN) in Python — step-by-step Python tutorial on Progressive Robot

K-Nearest Neighbors (KNN) in Python

URL: https://www.progressiverobot.com/k-nearest-neighbors-knn-in-python/ K-nearest neighbors (kNN) is a [supervised machine learning](/community/tutorials/supervised-machine-learning) technique that may be used to handle both classification and regression tasks. I regard KNN as an algorithm that originates from actual life. People tend to be impacted by the people around them. The Idea Behind K-Nearest Neighbours Algorithm Our behavior is shaped by the […]

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How to Configure SSH Key Authentication on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure SSH Key Authentication on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure SSH Key Authentication on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the […]

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How To Install (LEMP)  nginx, MySQL, PHP stack on Arch Linux — step-by-step Linux tutorial on Progressive Robot

How To Install (LEMP) nginx, MySQL, PHP stack on Arch Linux

LEMP stack is a group of open source software to get web servers up and running. The acronym stands for Linux, nginx (pronounced Engine x), MySQL, and PHP. This tutorial explains how to install the required repos to download nginx and php-fpm, how to install MySQL, how to install nginx, how to install php-fpm, how to configure php and nginx, and how to create a php info page. This tutorial is written for Arch Linux.

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AlmaLinux 8 — nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — nettle — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2021:4451 Related CVEs: CVE-2021-20231 CVE-2021-20232 CVE-2021-3580 Upstream summary: The gnutls packages provide the GNU Transport Layer Security (GnuTLS) library, which implements cryptographic algorithms and protocols such as SSL, TLS, and DTLS. Nettle […]

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