Operations

Rocky Linux 8 — python-pygments — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — python-pygments — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-32681 Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic typing. The python27 packages […]

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Debian 11 — gtkwave — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — gtkwave — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 20 April 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-32650 CVE-2023-34087 CVE-2023-34436 CVE-2023-35004 CVE-2023-35057 CVE-2023-35128 CVE-2023-35702 CVE-2023-35703  +12 more Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – […]

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Rocky Linux 8 — python-markupsafe — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — python-markupsafe — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2023:5994 Related CVEs: CVE-2023-40217 CVE-2023-32681 CVE-2007-4559 CVE-2020-10735 CVE-2021-28861 CVE-2022-45061 Upstream summary: Python is an interpreted, interactive, object-oriented programming language that supports modules, classes, exceptions, high-level dynamic data types, and dynamic […]

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How to Set Up DHCP Server Authorisation on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up DHCP Server Authorisation on Windows Server 2022

How to Configure SQL Server Performance Tuning on Windows Server 2022 SQL Server performance tuning on Windows Server 2022 is a disciplined process that involves identifying bottlenecks through Dynamic Management Views (DMVs), analyzing execution plans, configuring server-level settings, and maintaining indexes and statistics. This guide covers the most impactful performance tuning techniques for SQL Server […]

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Oracle Linux 9 — nodejs:18 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — nodejs:18 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2023-5363)

🟠 High   ⏱ 15–60 min  Last verified: 19 April 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5363 Related CVEs: CVE-2023-32006 CVE-2023-32002 CVE-2022-25883 CVE-2023-32559 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]

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Common Problems 118578

PHP-FPM pool fails due to permission errors

🟡 Medium   ⏱ 5–30 min  Last verified: 19 April 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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AlmaLinux 9 — xdg-utils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 9

AlmaLinux 9 — xdg-utils — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 9 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:7672 Related CVEs: CVE-2022-4055 Upstream summary: The xdg-utils package is a set of simple scripts that provide basic desktop integration functions for any Free Desktop. Security Fix(es): * xdg-utils: improper parse of […]

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Common Problems 118460

Ubuntu 16.04 high CPU usage from desktop processes

🟡 Medium   ⏱ 5–30 min  Last verified: 19 April 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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How to Implement Network Segmentation on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Implement Network Segmentation on Oracle Linux 9

Introduction Setting up implement network segmentation on oracle linux 9 on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Implement Network Segmentation on Oracle Linux 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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