Linux

Debian 12 — torbrowser-launcher — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — torbrowser-launcher — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2016-3180 Upstream summary: Tor Browser Launcher (aka torbrowser-launcher) before 0.2.4, during the initial run, allows man-in-the-middle attackers to bypass the PGP signature verification and execute arbitrary code via […]

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Ubuntu 22.04 — json-c — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — json-c — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6310-1 Related CVEs: CVE-2021-32292 Upstream summary: It was discovered that json-c incorrectly handled certain JSON files. An attacker could possibly use this issue to cause a crash or execute arbitrary […]

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Gentoo Linux — dev-java/openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — dev-java/openjdk — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202412-07 Related CVEs: CVE-2023-22006 CVE-2023-22025 CVE-2023-22036 CVE-2023-22041 CVE-2023-22044 CVE-2023-22045 CVE-2023-22049 CVE-2023-22067  +12 more Upstream summary: Multiple vulnerabilities have been discovered in OpenJDK. Please review the CVE identifiers referenced below for details. Table […]

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Ubuntu 22.04 — monit — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — monit — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 20 October 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6571-1 Related CVEs: CVE-2022-26563 Upstream summary: Youssef Rebahi-Gilbert discovered that Monit did not properly process credentials for disabled accounts. An attacker could possibly use this issue to login to the […]

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How to Set Up DRBD Block Replication on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up DRBD Block Replication on Debian 12

Introduction Debian 12 Bookworm is built around the ethos of stability and free software. Setting up set up drbd block replication on debian 12 on Bookworm leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Bookworm freeze. Follow each step carefully […]

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Common Problems 124707

Oracle Linux 9 – Common Problem 025 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 19 October 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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Common Problems 120145

Debian 12 Rsync Permission Denied During Backups

🟡 Medium   ⏱ 5–30 min  Last verified: 19 October 2023 Affected versions: Debian 12 📖 ~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 Chef Client on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure Chef Client on CentOS Stream 9

Introduction This tutorial demonstrates how to Configure Chef Client on CentOS Stream 9 on CentOS Stream 9. 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 9 system with the default […]

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Common Problems 117076

Ubuntu 22.04 unattended-upgrades Leaves dpkg in Interrupted State

🟡 Medium   ⏱ 5–30 min  Last verified: 19 October 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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Debian 12 — tpp — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — tpp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 October 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2208 Upstream summary: tpp 1.3.1 allows remote attackers to execute arbitrary commands via a –exec command in a TPP template file. Table of contents Symptom & Impact Environment […]

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