Operations

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

How to Set Up Windows Server Update Services (WSUS) on Windows Server 2022

Introduction to Local User and Group Management Windows Server 2022 supports two distinct categories of accounts: local accounts, which are stored in the local Security Account Manager (SAM) database on the server itself, and domain accounts, which are managed through Active Directory. This article focuses entirely on local accounts — when to use them, how […]

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

Oracle Linux 9 — podman — security and stability fixes — required update (ELSA-2023-2282)

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2282 Related CVEs: CVE-2022-30629 CVE-2022-41717 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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IBM AIX 7.3 — CVE-2022-34362 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2022-34362 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 8 April 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2022-34362, IBM Support Bulletin CVE: CVE-2022-34362 NVD summary: IBM Sterling Secure Proxy 6.0.3 is vulnerable to HTTP header injection, caused by improper validation of input by the HOST headers. This could allow […]

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How to Configure PHP Session Handling on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure PHP Session Handling on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying configure php session handling on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure PHP Session Handling on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the firewalld rules […]

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Amazon Linux 2 — jbigkit — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — jbigkit — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2305 Related CVEs: CVE-2022-1210 Upstream summary: A vulnerability classified as problematic was found in LibTIFF 4.3.0. Affected by this vulnerability is the TIFF File Handler of tiff2ps. Opening a malicious […]

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Common Problems 111815

Windows Server 2022 VSS Writer Failed State Breaks Backup Jobs – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 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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FreeBSD 13 — softether-devel — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — softether-devel — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: SoftEtherVPN — multiple vulnerabilities Related CVEs: CVE-2023-22325 CVE-2023-27395 CVE-2023-27516 CVE-2023-31192 CVE-2023-32275 CVE-2023-32634 Upstream summary: Daiyuu Nobori reports: The SoftEther VPN project received a high level code review and technical assistance […]

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Windows Server 2019 — KB5030186 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2019

Windows Server 2019 — KB5030186 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2019 📖 ~4 min read  •  Source: Microsoft KB5030186 • MSRC update-guide entry Related CVEs: CVE-2023-36796 CVE-2023-36793 CVE-2023-36792 CVE-2023-36794 CVE-2023-36788 Affected components: Microsoft .NET Framework 3.5 AND 4.7.2 on Windows Server 2019 Microsoft .NET Framework 3.5 AND 4.8 on Windows […]

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Debian 11 — libspf2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libspf2 — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 8 April 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-2469 CVE-2021-20314 CVE-2021-33912 CVE-2021-33913 CVE-2023-42118 Upstream summary: Heap-based buffer overflow in the SPF_dns_resolv_lookup function in Spf_dns_resolv.c in libspf2 before 1.2.8 allows remote attackers to execute arbitrary code via […]

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