Logging Monitoring

Oracle Linux 9 — pcs — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — pcs (ELSA-2023-6316)

🟢 Low   ⏱ 5–15 min  Last verified: 28 March 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-6316 Related CVEs: CVE-2022-38900 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 Configure Loki for Log Aggregation on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Loki for Log Aggregation on Oracle Linux 9

Introduction This tutorial demonstrates how to Configure Loki for Log Aggregation on Oracle Linux 9 on Oracle Linux 9. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 9 system with […]

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Amazon Linux 2 — amanda — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — amanda — multiple vulnerabilities (4 CVEs) — 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 ALAS2-2023-2218 Related CVEs: CVE-2016-10729 CVE-2016-10730 CVE-2022-37705 CVE-2023-30577 Upstream summary: An issue was discovered in Amanda 3.3.1. A user with backup privileges can trivially compromise a client installation. The "runtar" setuid […]

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FreeBSD 13 — py38-WsgiDAV — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py38-WsgiDAV — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 March 2023 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-WsgiDAV — XSS vulnerability Related CVEs: CVE-2022-41905 Upstream summary: Implementations using this library with directory browsing enabled may be susceptible to Cross Site Scripting (XSS) attacks. Table of contents Symptom […]

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Debian 11 — ipython — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — ipython — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 March 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2014-3429 CVE-2015-4707 CVE-2015-5607 CVE-2015-6938 CVE-2018-8768 CVE-2022-21699 Upstream summary: IPython Notebook 0.12 through 1.x before 1.2 does not validate the origin of websocket requests, which allows remote attackers to […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 1.102.0-r0 📖 ~4 min read  •  Source: Alpine secdb entry — doctl 1.102.0-r0 Related CVEs: CVE-2023-48795 Upstream summary: Alpine community repository for vedge ships doctl 1.102.0-r0 which addresses CVE-2023-48795. Table of contents Symptom & Impact Environment […]

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Common Problems 117596

Ubuntu 20.04 External Monitor Not Recognized

🟡 Medium   ⏱ 5–30 min  Last verified: 28 March 2023 📖 ~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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Ubuntu 14.04 — pixman — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — pixman — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 28 March 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5718-2 Related CVEs: CVE-2022-44638 CVE-2015-5297 CVE-2014-9766 Upstream summary: USN-5718-1 fixed a vulnerability in pixman. This update provides the corresponding update for Ubuntu 14.04 ESM and Ubuntu 16.04 ESM. Original advisory […]

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Ubuntu 14.04 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — sysstat — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 28 March 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6145-1 Related CVEs: CVE-2022-39377 CVE-2023-33204 Upstream summary: It was discovered that Sysstat incorrectly handled certain arithmetic multiplications. An attacker could use this issue to cause Sysstat to crash, resulting in […]

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