ubuntu

Ubuntu 24.04 — mosquitto — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — mosquitto — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 17 June 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7441-1 Related CVEs: CVE-2024-10525 CVE-2024-3935 Upstream summary: It was discovered that Eclipse Mosquitto client incorrectly handled memory when receiving a SUBACK packet. An attacker with a malicious broker could possibly […]

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Ubuntu 22.04 — linux-gcp-6.5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — linux-gcp-6.5 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 17 June 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6895-2 Related CVEs: CVE-2023-52631 CVE-2023-52637 CVE-2023-52638 CVE-2023-52642 CVE-2023-52643 CVE-2023-52645 CVE-2023-52880 CVE-2023-6270  +12 more Upstream summary: It was discovered that the ATA over Ethernet (AoE) driver in the Linux kernel contained […]

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Ubuntu 24.04 — ckeditor — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ckeditor — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 17 June 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7258-1 Related CVEs: CVE-2022-24728 CVE-2023-28439 CVE-2024-24815 CVE-2024-24816 CVE-2024-43411 Upstream summary: Kevin Backhouse discovered that CKEditor did not properly sanitize HTML content. An attacker could possibly use this issue to perform […]

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How to Set Up Software RAID with mdadm on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Netdata on Ubuntu 24.04

Netdata is a real-time performance monitoring tool that collects thousands of metrics per second with near-zero overhead. It provides a beautiful web dashboard out of the box with no configuration required. This guide installs Netdata on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server A user with sudo […]

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Ubuntu 18.04 — node-path-to-regexp — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-path-to-regexp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 16 June 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8290-1 Related CVEs: CVE-2024-45296 Upstream summary: It was discovered that Path-to-Regexp incorrectly handled route patterns containing multiple named parameters separated by non-delimiter characters such as hyphens. An attacker could possibly […]

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Common Problems 116960

Ubuntu 22.04 LTS Snap Services Fail to Start After Proxy Changes

🟡 Medium   ⏱ 5–30 min  Last verified: 15 June 2025 📖 ~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 116409

Ubuntu 24.04 LTS Netplan Apply Fails After NIC Rename

🟡 Medium   ⏱ 5–30 min  Last verified: 15 June 2025 📖 ~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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Ubuntu 18.04 — node-sha.js — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — node-sha.js — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 15 June 2025 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7778-1 Related CVEs: CVE-2025-9288 Upstream summary: Nikita Skovoroda discovered that sha.js did not properly handle certain inputs. An attacker could possibly use this issue to manipulate the internal state of […]

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How to Use Python Virtual Environments on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Deploy a Node.js Application with PM2 on Ubuntu 24.04

PM2 is a battle-tested process manager for Node.js applications that provides automatic restarts, logging, monitoring, and cluster mode. This guide deploys a Node.js application in production using PM2 on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Node.js 20 LTS installed Nginx installed (for reverse proxy) Step 1 […]

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Cómo agregar espacio de intercambio en Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Cómo agregar espacio de intercambio en Ubuntu 20.04

Una opción para evitar errores de memoria insuficiente en aplicaciones es agregar espacio de intercambio a su servidor. En esta guía, abordaremos la manera de añadir un archivo de intercambio a un servidor Ubuntu 20.04. <$>[warning] Advertencia: Si bien, en general, el…

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