Operations

How to Configure ArgoCD on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure ArgoCD on Oracle Linux 9

Introduction How to Configure ArgoCD on Oracle Linux 9 on Oracle Linux 9 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible […]

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Common Problems 117490

Ubuntu 20.04 LTS High CPU Usage from Systemd Journal

🟡 Medium   ⏱ 5–30 min  Last verified: 26 February 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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Windows Server 2022 — KB5027539 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5027539 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5027539 • MSRC update-guide entry Related CVEs: CVE-2023-24897 CVE-2023-24895 CVE-2023-29326 CVE-2023-29331 CVE-2023-32030 CVE-2023-24936 Affected components: Microsoft .NET Framework 3.5 AND 4.8 on Windows Server 2022 Table of contents Symptom & Impact Environment […]

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

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

🟢 Low   ⏱ 5–15 min  Last verified: 26 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-34169 CVE-2022-42920 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Ubuntu 22.04 — owslib — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — owslib — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 26 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8247-1 Related CVEs: CVE-2023-27476 Upstream summary: It was discovered that OWSLib did not properly disable entity resolution within its XML parser. An attacker could possibly use this issue to read […]

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Ubuntu 14.04 — graphicsmagick — multiple vulnerabilities (12 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — graphicsmagick — multiple vulnerabilities (12 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 26 February 2023 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5974-1 Related CVEs: CVE-2018-20184 CVE-2018-20189 CVE-2018-5685 CVE-2018-9018 CVE-2019-11006 CVE-2020-12672 CVE-2022-1270 CVE-2019-12921  +4 more Upstream summary: It was discovered that GraphicsMagick was not properly performing bounds checks when processing TGA image […]

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Ubuntu 22.04 — lrzip — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — lrzip — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 February 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5840-1 Related CVEs: CVE-2018-5786 CVE-2020-25467 CVE-2021-27345 CVE-2021-27347 CVE-2022-26291 CVE-2022-28044 Upstream summary: It was discovered that Long Range ZIP incorrectly handled pointers. If a user or an automated system were tricked […]

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SLES 12 — dmidecode — vulnerability — patch and remediation guide — diagnosis and fix on SLES 12

SLES 12 — dmidecode — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 26 February 2023 Affected versions: SLES 12 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:1494-1 (see also SUSE bugzilla) Related CVEs: CVE-2023-30630 Upstream summary: Dmidecode before 3.5 allows -dump-bin to overwrite a local file. This has security relevance because, for example, execution of Dmidecode via Sudo […]

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Gentoo Linux — media-video/vlc — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — media-video/vlc — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202409-17 Related CVEs: CVE-2022-41325 CVE-2020-26664 CVE-2019-19721 Upstream summary: Multiple vulnerabilities have been discovered in VLC. Please review the CVE identifiers referenced below for details. Table of contents Symptom & Impact Environment & […]

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

Oracle Linux 9 — mysql — vulnerability — patch and remediation guide (ELSA-2023-2621)

🟠 High   ⏱ 15–60 min  Last verified: 26 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-2621 Related CVEs: CVE-2023-21865 CVE-2023-21880 CVE-2023-21883 CVE-2022-21604 CVE-2023-21867 CVE-2022-21640 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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