March 2021 - Page 45 of 69

Oracle Linux 8 — Certain SEV Guest Configurations Might Cause Hypervisor CPU Soft-Lockup Warnings — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Certain SEV Guest Configurations Might Cause Hypervisor CPU Soft-Lockup Warnings (XK2-XB5-CWB)

🟠 High   ⏱ 5–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug OLRNT-topic_xk2_xb5_cwb 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 […]

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Common Problems 118433

Ubuntu 16.04 LTS – network interface names changed after kernel update – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 16.04 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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Amazon Linux 2 — kernel-livepatch-4.14.209-160.335 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — kernel-livepatch-4.14.209-160.335 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2LIVEPATCH-2021-040 Related CVEs: CVE-2021-3347 CVE-2020-28374 Upstream summary: A flaw was found in the Linux kernel. A use-after-free memory flaw in the Fast Userspace Mutexes functionality allowing a local user to […]

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Common Problems 112622

Windows Server 2019 – Fine-grained password policy not applied to subjects – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 02 April 2027 Affected versions: Windows Server 2019 📖 ~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 Use cfgmgr to Configure New Devices on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use cfgmgr to Configure New Devices on IBM AIX 7.2

Introduction IBM AIX 7.2 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 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use cfgmgr to configure new devices on ibm aix […]

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Arch Linux — godot — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — godot — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202103-26 Related CVEs: CVE-2021-26826 CVE-2021-26825 Upstream summary: Type: arbitrary code execution. Status: Fixed. Affected: 3.2.3-1. Fixed in: 3.2.3-2. Group: AVG-1544. Table of contents Symptom & Impact Environment & Reproduction Root […]

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How to Configure IPsec Policies on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure IPsec Policies on Windows Server 2012 R2

How to Configure IPsec Policies on Windows Server 2012 R2 Internet Protocol Security (IPsec) provides cryptographic authentication and encryption at the IP layer, securing network communications between servers without requiring changes to applications. On Windows Server 2012 R2, IPsec policies can be configured to require encrypted communications between specific servers, authenticate traffic between network segments, […]

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How to Configure Harbor Container Registry on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Harbor Container Registry on Oracle Linux 8

Introduction This tutorial demonstrates how to Configure Harbor Container Registry 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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Типы данных в Go — step-by-step Programming tutorial on Progressive Robot

Типы данных в Go

Типы данных определяют виды значений, которые сохраняются определенными переменными при написании программы. Типы данных также помогают определить операции, которые можно выполнять с использованием данных. В этой статье мы рассмотрим наиболее важные типы данных в Go. Это не…

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