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How to Set Up Windows Admin Center on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Windows Admin Center on Windows Server 2022

What Is the Sysinternals Suite? The Sysinternals Suite is a collection of advanced diagnostic and troubleshooting utilities for Windows developed originally by Mark Russinovich and Bryce Cogswell, and now maintained by Microsoft. The tools provide deep visibility into the Windows operating system that Task Manager, Event Viewer, and other built-in tools simply cannot match. For […]

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Common Problems 121683

Debian 9: Nginx serves incomplete TLS certificate chain

🟠 High   ⏱ 5–30 min  Last verified: 28 November 2022 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-2016-8963 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2016-8963 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 28 November 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2016-8963, IBM Support Bulletin CVE: CVE-2016-8963 NVD summary: IBM BigFix Inventory v9 stores potentially sensitive information in log files that could be read by a local user. References: www.ibm.com/support/docview.wss?uid=swg21995029   www.securityfocus.com/bid/95282   […]

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Common Problems 117128

Ubuntu 22.04 LTS – Docker daemon fails to start after update – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 28 November 2022 Affected versions: Ubuntu 22.04 LTS (Jammy) 📖 ~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 […]

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How to Build and Deploy a Go Web Application on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Build and Deploy a Go Web Application on RHEL 9

Go’s standard library includes a production-ready HTTP server with support for HTTP/2, TLS, and concurrent request handling — no external framework is required for simple web applications. For more complex applications, the Gin framework adds routing, middleware, request binding, and response rendering while maintaining excellent performance. Go web applications compile to a single binary, making […]

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Debian 11 — postfix-gld — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — postfix-gld — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2005-1099 CVE-2005-1100 Upstream summary: Multiple buffer overflows in the HandleChild function in server.c in Greylisting daemon (GLD) 1.3 and 1.4, when GLD is listening on a network interface, […]

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Common Problems 114889

RHEL 8 DNF Metadata Cache Corruption Causes Update Failures

🟡 Medium   ⏱ 5–30 min  Last verified: 28 November 2022 Affected versions: 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

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Debian 11 — wv — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — wv — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 November 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2004-0645 CVE-2006-4513 Upstream summary: Buffer overflow in the wvHandleDateTimePicture function in wv library (wvWare) 0.7.4 through 0.7.6 and 1.0.0 allows remote attackers to execute arbitrary code via a […]

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How to Configure IBM PowerHA SystemMirror on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure IBM PowerHA SystemMirror on IBM AIX 7.3

Introduction IBM AIX 7.3 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure ibm powerha systemmirror on IBM AIX 7.3 with […]

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Common Problems 111740

Windows Server 2022 — Performance Monitor counters missing after server role install — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 28 November 2022 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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