November 2020

Oracle Linux 8 — tigervnc — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — tigervnc — security and stability fixes — required update (ELSA-2023-2830)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 November 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2830 Related CVEs: CVE-2022-46340 CVE-2022-46343 CVE-2022-4283 CVE-2022-46341 CVE-2022-46344 CVE-2022-46342 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 117917

Ubuntu 18.04 Network Interface Missing After Kernel Upgrade

🟡 Medium   ⏱ 5–30 min  Last verified: 30 November 2020 📖 ~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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Common Problems 113609

Windows Server 2012 R2 – Password policy change blocked by domain functional level – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 30 November 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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How to Set Up StrongSwan IKEv2 VPN on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Set Up StrongSwan IKEv2 VPN on IBM AIX 7.1

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 set up strongswan ikev2 vpn on ibm aix 7.1 […]

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How to Install Prometheus and Grafana on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Prometheus and Grafana on Oracle Linux 8

Introduction This tutorial demonstrates how to Install Prometheus and Grafana 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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Sysadmin eBook: Как заставить серверы работать — step-by-step Linux tutorial on Progressive Robot

Sysadmin eBook: Как заставить серверы работать

<$>[note] [label Загрузите полную электронную книгу!] Электронная книга «Как заставить серверы работать: практическое руководство по системному администрированию» в формате EPUB [Электронная книга *«Как заставить серверы работать: практическое…

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How To Use Node.js Modules with npm and package.json — step-by-step Javascript tutorial on Progressive Robot

How To Use Node.js Modules with npm and package.json

The Node.js Package Manager (npm) is the default and most popular package manager in the Node.js ecosystem, and is primarily used to install and manage external modules in a Node.js project. In this tutorial, you will manage packages with npm, first keeping track of modules with the package.json file, and then using the npm CLI tool to list your package dependencies, update your packages, uninstall your packages, and perform an audit to find security flaws in your packages.

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