Logging Monitoring

Oracle Linux 8 — compat-openssl10 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — compat-openssl10 — vulnerability — patch and remediation guide (ELSA-2022-5326)

🟢 Low   ⏱ 5–15 min  Last verified: 28 October 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-5326 Related CVEs: CVE-2022-0778 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Oracle Linux 9 — rsync — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — rsync — vulnerability — patch and remediation guide (ELSA-2022-4592)

🟠 High   ⏱ 15–60 min  Last verified: 28 October 2022 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2022-4592 Related CVEs: CVE-2018-25032 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Install and Configure BIND9 DNS Server on Debian 11 — step-by-step Debian 11 tutorial on Progressive Robot

How to Install and Configure BIND9 DNS Server on Debian 11

Introduction How to Install and Configure BIND9 DNS Server on Debian 11 is a fundamental operation for any administrator maintaining a Debian 11 Bullseye server. Debian 11 Bullseye ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from […]

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Alpine Linux edge — pidgin — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux edge

Alpine Linux edge — pidgin — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.14.9-r0 📖 ~4 min read  •  Source: Alpine secdb entry — pidgin 2.14.9-r0 Related CVEs: CVE-2022-26491 Upstream summary: Alpine community repository for vedge ships pidgin 2.14.9-r0 which addresses CVE-2022-26491. Table of contents Symptom & Impact Environment […]

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How to Set Up FTP Server on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Set Up FTP Server 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 set up ftp server on IBM AIX 7.3 with […]

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Debian 11 — netpbm-free — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — netpbm-free — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 27 October 2022 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2003-0146 CVE-2003-0924 CVE-2005-2471 CVE-2005-2978 CVE-2005-3632 CVE-2005-3662 CVE-2008-0554 CVE-2009-4274 Upstream summary: Multiple vulnerabilities in NetPBM 9.20 and earlier, and possibly other versions, may allow remote attackers to cause a […]

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Common Problems 111863

Windows Server 2022 – Kerberos authentication failures after time skew – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 October 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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Ubuntu 18.04 — linux-gkeop-5.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — linux-gkeop-5.4 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 27 October 2022 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5562-1 Related CVEs: CVE-2022-0494 CVE-2022-1048 CVE-2022-1652 CVE-2022-1679 CVE-2022-1734 CVE-2022-1974 CVE-2022-1975 CVE-2022-2586  +12 more Upstream summary: Zhenpeng Lin discovered that the network packet scheduler implementation in the Linux kernel did not […]

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