January 2023 - Page 42 of 72

IBM AIX 7.3 — CVE-2009-1355 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2009-1355 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 25 May 2026 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2009-1355, IBM Support Bulletin CVE: CVE-2009-1355 NVD summary: Stack-based buffer overflow in muxatmd in IBM AIX 5.2, 5.3, and 6.1 allows local users to gain privileges via a long filename. References: aix.software.ibm.com/aix/efixes/security/muxatmd […]

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Comment installer le serveur web Apache sur CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Comment installer le serveur web Apache sur CentOS 8

Le serveur HTTP Apache est le serveur web le plus utilisé au monde. Il offre de nombreuses fonctionnalités puissantes, notamment des modules à chargement dynamique, une prise en charge robuste des médias et une intégration poussée avec d’autres…

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How to Set Up Hyper-V Discrete Device Assignment on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Hyper-V Discrete Device Assignment on Windows Server 2022

Introduction to Hyper-V Replica Hyper-V Replica is an asynchronous replication feature built into Windows Server 2022 Hyper-V that continuously replicates virtual machine changes from a primary server to a replica server, providing disaster recovery capability without requiring shared storage or expensive SAN replication hardware. Changes made to a VM’s virtual hard disks on the primary […]

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Creating Custom Errors in Go — step-by-step Programming tutorial on Progressive Robot

Creating Custom Errors in Go

When communicating more complicated error information to your users, or to your future self when debugging, sometimes these two mechanisms are not enough to adequately capture and report what has happened. To convey this more complex error information we can implement the standard library interface type, `error`, to get more functionality.

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Common Problems 118098

Ubuntu 18.04 Netplan Configuration Ignored on Boot

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 & Cross-Refs References & Further […]

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Common Problems 115976

Ubuntu 26.04 LTS – Docker service fails to start after daemon.json edit – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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Common Problems 115937

ufw allows rule but traffic still blocked

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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-2021-39087 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2021-39087 — 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-2021-39087, IBM Support Bulletin CVE: CVE-2021-39087 NVD summary: IBM Sterling B2B Integrator Standard Edition 6.0.0.0 through 6.0.3.5, 6.1.0.0 through 6.1.0.4, and 6.1.1.0 through 6.1.1.1 could allow an authenticated user to obtain sensitive […]

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Common Problems 114614

RHEL 9: MariaDB Fails to Start After Package Update

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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 & Cross-Refs References & Further […]

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Common Problems 112981

Windows Server 2016 — Update Scan Fails with 0x8024402c Due to Proxy Misconfiguration — Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 18 May 2026 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 […]

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