Linux

Oracle Linux 10 — python-kdcproxy — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 10

Oracle Linux 10 — python-kdcproxy — vulnerability — patch and remediation guide (ELSA-2025-21142)

🟠 High   ⏱ 15–60 min  Last verified: 22 July 2025 Affected versions: Oracle Linux 10 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-21142 Related CVEs: CVE-2025-59088 CVE-2025-59089 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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Alpine Linux 3.20 — chromium — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — chromium — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 99.0.4844.84-r0 📖 ~4 min read  •  Source: Alpine secdb entry — chromium 99.0.4844.84-r0 Related CVEs: CVE-2022-1096 CVE-2022-0452 CVE-2022-0453 CVE-2022-0454 CVE-2022-0455 CVE-2022-0456 CVE-2022-0457 CVE-2022-0458  +12 more Upstream summary: Alpine community repository for vv3.20 ships chromium 99.0.4844.84-r0 which […]

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openSUSE Leap 15.6 — sslh — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — sslh — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2025:15194-1 (see also SUSE bugzilla) Related CVEs: CVE-2025-46807 CVE-2020-28935 CVE-2025-46806 Upstream summary: A Allocation of Resources Without Limits or Throttling vulnerability in sslh allows attackers to easily exhaust the file descriptors […]

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Common Problems 127118

CentOS Stream 10 – Common Problem 166 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 21 July 2025 Affected versions: CentOS Stream 10 📖 ~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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How to Set Up Nginx Load Balancing on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up Nginx Load Balancing on CentOS Stream 10

Introduction How to Set Up Nginx Load Balancing on CentOS Stream 10 on CentOS Stream 10 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 […]

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How to Install and Use Skopeo for Container Image Management on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Use Skopeo for Container Image Management on RHEL 9

Skopeo is a command-line tool for working with container images and container image registries without requiring a running container daemon or root privileges. While Docker requires docker pull to download an image locally before inspecting or copying it, Skopeo can copy images directly between registries, inspect image metadata without downloading the full image, and sign/verify […]

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How to Set Up Apache Tomcat 10 on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Set Up Apache Tomcat 10 on RHEL 10

Introduction Setting up set up apache tomcat 10 on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Apache Tomcat 10 on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

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Common Problems 124089

Oracle Linux 10 – NFS mount intermittently hits stale file handle errors on client

🟠 High   ⏱ 5–30 min  Last verified: 21 July 2025 Affected versions: Oracle Linux 10 📖 ~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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AlmaLinux 8 — cglib — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — cglib — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2025:9318 Related CVEs: CVE-2019-10086 CVE-2025-48734 Upstream summary: The javapackages-tools packages provide macros and scripts to support Java packaging. Security Fix(es): * apache-commons-beanutils: does not suppresses the class property in PropertyUtilsBean by default […]

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Common Problems 124042

Oracle Linux 10 nftables and firewalld Direct Rules Conflict

🟠 High   ⏱ 5–30 min  Last verified: 21 July 2025 Affected versions: Oracle Linux 10 📖 ~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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