April 2023 - Page 17 of 69

How to Set Up Windows Deployment Services (WDS) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Deployment Services (WDS) on Windows Server 2022

Introduction to IIS URL Rewrite Module The IIS URL Rewrite Module is one of the most powerful extensions available for Internet Information Services on Windows Server 2022. It allows administrators and developers to define rules that transform incoming URLs before IIS processes them, enabling clean URLs, canonical redirects, protocol enforcement, and complex routing logic — […]

Read more
AlmaLinux 9 — samba — multiple vulnerabilities (11 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — samba — multiple vulnerabilities (11 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2023:2127 Related CVEs: CVE-2022-38023 CVE-2022-2127 CVE-2023-34966 CVE-2023-34967 CVE-2023-34968 CVE-2023-3961 CVE-2023-4091 CVE-2023-42669  +3 more Upstream summary: Samba is an open-source implementation of the Server Message Block (SMB) protocol and the related Common Internet […]

Read more
Alpine Linux edge — cjose — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — cjose — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.6.2.2-r0 📖 ~4 min read  •  Source: Alpine secdb entry — cjose 0.6.2.2-r0 Related CVEs: CVE-2023-37464 Upstream summary: Alpine community repository for vedge ships cjose 0.6.2.2-r0 which addresses CVE-2023-37464. Table of contents Symptom & Impact Environment […]

Read more
Common Problems 124537

Oracle Linux 9 – Common Problem 008 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Oracle Linux 9 📖 ~2 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 […]

Read more
Common Problems 121541

Debian 9 – sshd Fails to Start After Config Change – Fast Validation Workflow

🔴 Critical   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Debian 9 📖 ~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 & […]

Read more
IBM AIX 7.3 — CVE-2020-4365 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2020-4365 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2020-4365, IBM Support Bulletin CVE: CVE-2020-4365 NVD summary: IBM WebSphere Application Server 8.5 is vulnerable to server-side request forgery. By sending a specially crafted request, a remote authenticated attacker could exploit this […]

Read more
How to Set Up a LEMP Stack on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up a LEMP Stack on Oracle Linux 9

Introduction How to Set Up a LEMP Stack on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

Read more
Common Problems 115579

RHEL 7 sudo failures caused by PAM or sudoers syntax errors

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 7 📖 ~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 & […]

Read more
Common Problems 112967

Windows Server 2016 — PowerShellGet install-module fails with repository policy is untrusted — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 04 June 2027 Affected versions: Windows Server 2016 📖 ~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 […]

Read more
CHAT