Linux

How to Configure VLAN Interfaces on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Configure VLAN Interfaces on Debian 13

Introduction Deploying configure vlan interfaces on a Debian 13 Trixie 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 Ensure Debian 13 Trixie is fully […]

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Debian 13 — libmodule-metadata-perl — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libmodule-metadata-perl — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-1437 Upstream summary: Eval injection vulnerability in the Module-Metadata module before 1.000015 for Perl allows remote attackers to execute arbitrary Perl code via the $Version value. Table of […]

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Debian 13 — google-authenticator — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — google-authenticator — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2012-6140 Upstream summary: pam_google_authenticator.c in the PAM module in Google Authenticator before 1.0 requires user-readable permissions for the secret file, which allows local users to bypass intended access […]

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Common Problems 116572

Ubuntu 24.04 LTS – logrotate fails due to permission and ownership errors

🟡 Medium   ⏱ 5–30 min  Last verified: 6 October 2025 Affected versions: Ubuntu 24.04 LTS Ubuntu 24.04 Ubuntu 24.04.1 📖 ~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 […]

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Debian 11 — mydumper — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — mydumper — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2025-30224 Upstream summary: MyDumper is a MySQL Logical Backup Tool. The MySQL C client library (libmysqlclient) allows authenticated remote actors to read arbitrary files from client systems via […]

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Debian 13 — libmobi — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — libmobi — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-1533 CVE-2022-1534 CVE-2022-1907 CVE-2022-1908 CVE-2022-1987 CVE-2022-2279 CVE-2022-29788 Upstream summary: Buffer Over-read in GitHub repository bfabiszewski/libmobi prior to 0.11. This vulnerability is capable of arbitrary code execution. Table of […]

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Common Problems 116405

Ubuntu 24.04 LTS – Broken dependencies after interrupted upgrade – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 6 October 2025 Affected versions: Ubuntu 24.04 LTS 📖 ~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 Install GlusterFS on Debian 13 — step-by-step Debian 13 tutorial on Progressive Robot

How to Install GlusterFS on Debian 13

Introduction Debian 13 Trixie is built around the ethos of stability and free software. Setting up install glusterfs 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 configuration will persist […]

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How to Monitor Nginx with nginx-prometheus-exporter on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Monitor Nginx with nginx-prometheus-exporter on RHEL 10

Introduction RHEL 10 ships with a stable, security-hardened base that makes deploying monitor nginx with nginx-prometheus-exporter both straightforward and auditable. This tutorial covers the complete procedure for how to Monitor Nginx with nginx-prometheus-exporter on RHEL 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for network-facing services. Prerequisites You […]

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Debian 13 — psi — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — psi — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 October 2025 Affected versions: Debian 13 (trixie) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2008-6393 Upstream summary: PSI Jabber client before 0.12.1 allows remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a file transfer request […]

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