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Debian 12 — yubico-pam — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — yubico-pam — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 August 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4120 CVE-2018-9275 Upstream summary: Yubico PAM Module before 2.10 performed user authentication when 'use_first_pass' PAM configuration option was not used and the module was configured as 'sufficient' in […]

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Debian 12 — pam-p11 — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — pam-p11 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 31 July 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-16058 Upstream summary: An issue was discovered in the pam_p11 component 0.2.0 and 0.3.0 for OpenSC. If a smart card creates a signature with a length longer than […]

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How to Install Nomad Workload Orchestrator on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Nomad Workload Orchestrator on Debian 12

Introduction Deploying install nomad workload orchestrator on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you […]

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Common Problems 124677

Oracle Linux 9 – Common Problem 022 – Diagnosis and Fix

🟠 High   ⏱ 5–30 min  Last verified: 30 July 2023 Affected versions: Oracle Linux 9 📖 ~3 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 Audit Logging on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Audit Logging on Oracle Linux 9

Introduction How to Configure Audit Logging 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 […]

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Common Problems 114482

RHEL 9 LVM Volume Not Expanding After Disk Growth

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 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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Common Problems 117534

Ubuntu 20.04 LTS MySQL Access Denied for Root User

🟡 Medium   ⏱ 5–30 min  Last verified: 30 July 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 Configure Multipath I/O on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure Multipath I/O on Debian 12

Introduction Deploying configure multipath i/o on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before you begin, […]

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How to Configure Failover Clustering on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Configure Failover Clustering on Windows Server 2022

How to Configure Failover Clustering on Windows Server 2022 Windows Server Failover Clustering (WSFC) provides high availability for server roles and applications by grouping multiple servers (nodes) into a cluster. If one node fails, the cluster automatically moves the workload (a clustered role) to another healthy node — a process called failover. Windows Server 2022 […]

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How to Configure Oracle Linux 9 in Google Cloud — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Oracle Linux 9 in Google Cloud

Introduction Setting up configure oracle linux 9 in google cloud on a Oracle Linux 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure Oracle Linux 9 in Google Cloud, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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