Operations

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel-container — vulnerability — patch and remediation guide (ELSA-2023-12121)

🟠 High   ⏱ 15–60 min  Last verified: 13 March 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-12121 Related CVEs: CVE-2022-42896 CVE-2022-4139 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

Read more
Windows Server 2016 — KB5028952 — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2016

Windows Server 2016 — KB5028952 — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Windows Server 2016 📖 ~4 min read  •  Source: Microsoft KB5028952 • MSRC update-guide entry Related CVEs: CVE-2023-36873 CVE-2023-36899 Affected components: Microsoft .NET Framework 4.8 on Windows Server 2016 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick […]

Read more
How to Configure Windows Server 2022 with Nagios — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Windows Server 2022 with Nagios

Overview: Using Terraform with Azure and AWS from Windows Server 2022 Windows Server 2022 is frequently used as a CI/CD build agent, jump host, or automation server in enterprise environments. Terraform running on Windows Server 2022 can provision resources in both Microsoft Azure and Amazon Web Services (AWS) using the same HCL configuration workflow. This […]

Read more
Oracle Linux 9 — mysql security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — mysql security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2022-6590)

🟡 Medium   ⏱ 10–30 min  Last verified: 12 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-6590 Related CVEs: CVE-2022-21444 CVE-2022-21534 CVE-2022-21478 CVE-2022-21556 CVE-2022-21547 CVE-2022-21435 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

Read more
Common Problems 113412

Windows Server 2012 R2 NTFS MFT Fragmentation Causing Slow File Enumeration – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 12 March 2023 Affected versions: Windows Server 2012 R2 📖 ~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 […]

Read more
Alpine Linux edge — zbar — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — zbar — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 0.23.93-r0 📖 ~4 min read  •  Source: Alpine secdb entry — zbar 0.23.93-r0 Related CVEs: CVE-2023-40889 CVE-2023-40890 Upstream summary: Alpine community repository for vedge ships zbar 0.23.93-r0 which addresses CVE-2023-40889. Table of contents Symptom & Impact […]

Read more
Common Problems 112605

Windows Server 2019 — WindowsUpdate.log conversion fails because ETW decoder cannot find symbols — Fix & Prevention

🟢 Low   ⏱ 5–30 min  Last verified: 12 March 2023 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 […]

Read more
IBM AIX 7.3 — CVE-2021-38877 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-38877 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 12 March 2023 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2021-38877, IBM Support Bulletin CVE: CVE-2021-38877 NVD summary: IBM Jazz for Service Management 1.1.3.10 is vulnerable to stored cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web […]

Read more
openSUSE Tumbleweed — traceroute — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — traceroute — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:3924-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-46316 Upstream summary: In buc Traceroute 2.0.12 through 2.1.2 before 2.1.3, the wrapper scripts do not properly parse command lines. Table of contents Symptom & […]

Read more
CHAT