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Common Problems 118016

Ubuntu 18.04 LTS – persistent high iowait caused by background apt jobs – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 16 November 2022 Affected versions: Ubuntu 18.04 LTS 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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Common Problems 116934

Ubuntu 22.04 LTS UFW Blocks SSH After Firewall Enable

🟡 Medium   ⏱ 5–30 min  Last verified: 16 November 2022 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]

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FreeBSD 13 — prometheus — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — prometheus — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 November 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: prometheus2 — basic authentication bypass Related CVEs: CVE-2021-29622 CVE-2022-46146 Upstream summary: Prometheus team reports: Prometheus and its exporters can be secured by a web.yml file that specifies usernames and hashed […]

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Common Problems 111745

Windows Server 2022 AD SYSVOL Replication Lag Causes GPO Drift – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 November 2022 Affected versions: Windows Server 2022 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors […]

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How to Set Up StrongSwan IKEv2 VPN on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Set Up StrongSwan IKEv2 VPN on IBM AIX 7.3

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 set up strongswan ikev2 vpn on IBM AIX 7.3 […]

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Webinar Series: Building Containerized Applications — step-by-step Docker tutorial on Progressive Robot

Webinar Series: Building Containerized Applications

In this tutorial, you will use a sample web application based on Node.js and MongoDB to build a Docker image from a Dockerfile, you will create a custom network that allows your Docker containers to communicate, and you will use Docker Compose to launch and scale a containerized application.

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Comment utiliser ps, kill et nice pour gérer des processus sous Linux — step-by-step Linux tutorial on Progressive Robot

Comment utiliser ps, kill et nice pour gérer des processus sous Linux

La gestion de processus est une compétence essentielle que vous devez acquérir pour utiliser n’importe quel systèmeinformatique. Cela est particulièrement vrai lorsque vous administrez un environnement de serveur. Dans cet article, nous vous présenterons certains des puissants outils que vous pouvez utiliser pour gérer des processus sur un système Linux.

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Debian 11 — hivex — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — hivex — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 16 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-9273 CVE-2021-3504 CVE-2021-3622 Upstream summary: lib/handle.c in Hivex before 1.3.11 allows local users to execute arbitrary code and gain privileges via a small hive files, which triggers an […]

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