April 2023 - Page 49 of 69

How to Perform Disaster Recovery Testing on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Perform Disaster Recovery Testing on Windows Server 2022

Why Disaster Recovery Testing Matters Disaster recovery plans that are never tested are disaster plans that will fail when you need them most. On Windows Server 2022 environments, backups may silently fail, recovery procedures may have drifted from reality, and key personnel may have changed — none of which becomes apparent until an actual incident. […]

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Amazon Linux 2023 — libksba — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2023

Amazon Linux 2023 — libksba — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2023 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2023-2023-088 Related CVEs: CVE-2022-3515 Upstream summary: A vulnerability was found in the Libksba library due to an integer overflow within the CRL parser. The vulnerability can be exploited remotely for […]

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Oracle Linux 9 — git — security and stability fixes — required update — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — git — security and stability fixes — required update (ELSA-2023-2319)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2319 Related CVEs: CVE-2022-39253 CVE-2022-24765 CVE-2022-29187 CVE-2022-39260 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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Alpine Linux edge — rxvt-unicode — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — rxvt-unicode — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 9.31-r0 📖 ~4 min read  •  Source: Alpine secdb entry — rxvt-unicode 9.31-r0 Related CVEs: CVE-2022-4170 CVE-2021-33477 Upstream summary: Alpine community repository for vedge ships rxvt-unicode 9.31-r0 which addresses CVE-2022-4170. Table of contents Symptom & Impact […]

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Alpine Linux edge — jetty-runner — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — jetty-runner — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 9.4.53.20231009-r0 📖 ~4 min read  •  Source: Alpine secdb entry — jetty-runner 9.4.53.20231009-r0 Related CVEs: CVE-2023-44487 CVE-2023-36478 Upstream summary: Alpine community repository for vedge ships jetty-runner 9.4.53.20231009-r0 which addresses CVE-2023-44487. Table of contents Symptom & Impact […]

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openSUSE Tumbleweed — obs-service-go_modules — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — obs-service-go_modules — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2022-45155 Upstream summary: An Improper Handling of Exceptional Conditions vulnerability in obs-service-go_modules of openSUSE Factory allows attackers that can influence the call to the service […]

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Common Problems 117548

Ubuntu 20.04 LTS – netplan apply fails due to YAML syntax errors

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: Ubuntu 20.04 LTS Ubuntu 20.04 Ubuntu 20.04.6 📖 ~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 […]

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How to Install PHP 8.3 on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install PHP 8.3 on Oracle Linux 9

Introduction This tutorial demonstrates how to Install PHP 8.3 on Oracle Linux 9 on Oracle Linux 9. 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 9 system with the default […]

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