Logging Monitoring

Amazon Linux 2 — golang-github-kr-pty — multiple vulnerabilities (16 CVEs) — patch and remediation guide

• April 24, 2023
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2022-1864 Related CVEs: CVE-2022-1705 CVE-2022-1962 CVE-2022-1996 CVE-2022-24675 CVE-2022-27191 CVE-2022-27664 CVE-2022-28131 CVE-2022-28327  +8 more Upstream summary: 2023-05-11: CVE-2022-1996 has changed status to NOT AFFECTED for this package and has been removed […]

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

• April 24, 2023
• Tutorials
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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 — […]

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Oracle Linux 9 – Common Problem 008 – Diagnosis and Fix

• April 23, 2023
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 23 April 2023 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 […]

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

• April 23, 2023
• Linux
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🔴 Critical   ⏱ 5–30 min  Last verified: 23 April 2023 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 & […]

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

• April 23, 2023
• Tutorials
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🟡 Medium   ⏱ 15–45 min  Last verified: 23 April 2023 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 […]

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How to Set Up a LEMP Stack on Oracle Linux 9

• April 23, 2023
• Oracle Linux
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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 […]

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RHEL 7 sudo failures caused by PAM or sudoers syntax errors

• April 23, 2023
• Linux
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🟠 High   ⏱ 5–30 min  Last verified: 23 April 2023 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 & […]

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FreeBSD 13 — libqb — vulnerability — patch and remediation guide

• April 23, 2023
• BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 23 April 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: libqb — Buffer overflow Related CVEs: CVE-2023-39976 Upstream summary: [email protected] reports: log_blackbox.c in libqb before 2.0.8 allows a buffer overflow via long log messages because the header size is not […]

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

• April 23, 2023
• Linux
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🟠 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 […]

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Windows Server 2022 RRAS NAT Stops Translating Outbound Client Traffic – Fix & Prevention

• April 23, 2023
• Tutorials
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🟡 Medium   ⏱ 5–30 min  Last verified: 23 April 2023 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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