🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: Alpine Linux 3.18 / fixed in 1.20.2-r1 📖 ~4 min read • Source: Alpine secdb entry — krb5 1.20.2-r1 Related CVEs: CVE-2024-37370 CVE-2024-37371 CVE-2023-36054 CVE-2022-42898 CVE-2021-37750 CVE-2021-36222 CVE-2020-28196 CVE-2018-20217 +3 more Upstream summary: Alpine main repository for vv3.18 ships krb5 1.20.2-r1 which […]
🟠 High ⏱ 5–30 min Last verified: 23 June 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 […]
Introduction How to Configure SELinux Targeted Policy 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 configuration […]
Introduction This tutorial demonstrates how to Configure auditd Rules on RHEL 10 on RHEL 10. 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 RHEL 10 system with the default AppStream repositories enabled. […]
🟡 Medium ⏱ 10–30 min Last verified: 23 June 2025 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2025-9430 Related CVEs: CVE-2025-3576 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
Swap space extends the effective memory of a Linux server by using disk space as overflow RAM. This guide creates and configures a swap file on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo privileges Sufficient free disk space (at least 1–2 GB) Step […]
How to Set Up and Use PowerShell Remoting on Windows Server 2025 PowerShell Remoting transforms individual server management into scalable fleet operations. Instead of logging into each server to run a command, PowerShell Remoting lets you execute scripts on dozens or hundreds of Windows Server 2025 hosts simultaneously from a single administrative workstation. Built on […]
Introduction This tutorial demonstrates how to Configure SELinux Policies on CentOS Stream 10 on CentOS Stream 10. 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 CentOS Stream 10 system with the default […]
🟠 High ⏱ 5–30 min Last verified: 22 June 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 […]
Introduction Setting up back up postgresql with pg_dump on a RHEL 10 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Back Up PostgreSQL with pg_dump on RHEL 10, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]
