Logging Monitoring

Oracle Linux 9 — python-kdcproxy — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — python-kdcproxy — vulnerability — patch and remediation guide (ELSA-2025-21139)

🟠 High   ⏱ 15–60 min  Last verified: 9 October 2025 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-21139 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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Red Hat Enterprise Linux 8 — openshift — vulnerability — patch and remediation guide — diagnosis and fix on Red Hat Enterprise Linux 8

Red Hat Enterprise Linux 8 — openshift — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Red Hat Enterprise Linux 8 📖 ~4 min read  •  Source: Red Hat advisory RHSA RHSA-2026:7238 Related CVEs: CVE-2025-65637 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Unbreakable Enterprise kernel — vulnerability — patch and remediation guide (ELSA-2025-25755)

🟠 High   ⏱ 15–60 min  Last verified: 9 October 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-25755 Related CVEs: CVE-2025-37968 CVE-2025-39841 CVE-2025-39847 CVE-2025-39853 CVE-2025-39860 CVE-2025-39864 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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How to Configure rsyslog for System Logging on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure rsyslog for System Logging on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up configure rsyslog for system logging on Trixie leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Trixie freeze. Follow each step carefully and the resulting […]

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How to Secure Nginx with Let's Encrypt SSL on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install OpenLiteSpeed Web Server on Ubuntu 24.04

OpenLiteSpeed is the open-source version of LiteSpeed Web Server — a high-performance, event-driven server with a built-in WebAdmin GUI. It handles PHP natively via LiteSpeed SAPI, which is significantly faster than PHP-FPM. This guide installs it on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with […]

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How to Install Drone CI on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Install Drone CI on RHEL 10

Introduction Setting up install drone ci on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Install Drone CI on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and how to validate the […]

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Common Problems 127082

CentOS Stream 10 – Common Problem 137 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 8 October 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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Common Problems 124180

Oracle Linux 10 – dnf offline-upgrade leaves system in partial transaction state – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 8 October 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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How to Configure nftables on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure nftables on Oracle Linux 10

Introduction Oracle Linux 10 ships with a stable, security-hardened base that makes deploying configure nftables on oracle linux 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Configure nftables on Oracle Linux 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. […]

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AlmaLinux 10 — grub2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on AlmaLinux 10

AlmaLinux 10 — grub2 — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 10 📖 ~4 min read  •  Source: AlmaLinux ALSA ALSA-2026:4649 Related CVEs: CVE-2025-61662 CVE-2024-45776 CVE-2024-45781 CVE-2025-0622 CVE-2025-0677 CVE-2025-1118 Upstream summary: The grub2 packages provide version 2 of the Grand Unified Boot Loader (GRUB), a highly configurable and customizable boot loader with […]

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