Ubuntu 24.04

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

How to Set Up a Next.js 14 Application on Ubuntu 24.04

Next.js 14 introduces Partial Prerendering, improved Server Actions, and a stable Turbopack bundler. This guide creates and deploys a Next.js 14 application on Ubuntu 24.04 LTS with PM2 and Nginx. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Node.js 20 LTS installed PM2 installed Nginx installed Step 1 – Create a […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 5 October 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7317-1 Related CVEs: CVE-2022-23303 CVE-2022-23304 CVE-2022-37660 CVE-2024-5290 https://launchpad.net/bugs/2067613 Upstream summary: George Chatzisofroniou and Panayiotis Kotzanikolaou discovered that wpa_supplicant and hostapd reused encryption elements in the PKEX protocol. An attacker could […]

Read more
Common Problems 116597

Ubuntu 24.04 LTS – Docker service fails to start with overlay2 errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 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 […]

Read more
Common Problems 116531

UFW Blocking Kubernetes Traffic on Ubuntu 24.04 LTS

🟠 High   ⏱ 5–30 min  Last verified: 4 October 2025 Affected versions: 24.04 📖 ~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 […]

Read more
Common Problems 116406

Ubuntu 24.04 LTS – do-release-upgrade blocked by held packages – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 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 […]

Read more
How to Manage Docker Images and Containers on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Deploy Applications with Docker Compose on Ubuntu 24.04

Docker Compose simplifies deploying multi-service applications. This guide walks through creating a production-ready Docker Compose deployment for a LEMP stack (Nginx, MySQL, PHP) on Ubuntu 24.04 LTS. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Docker Engine and Docker Compose plugin installed A user in the docker group Step 1 – […]

Read more
Ubuntu 24.04 — sudo — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — sudo — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 3 October 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-8092-1 Related CVEs: https://launchpad.net/bugs/2143042 CVE-2025-32462 CVE-2025-32463 Upstream summary: It was discovered that Sudo incorrectly checked return codes when dropping privileges to run the mailer. A local attacker could possibly use […]

Read more
Common Problems 116436

Ubuntu 24.04 LTS – UFW blocks required inbound service ports – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 2 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 […]

Read more
Ubuntu 24.04 — ruby-webrick — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — ruby-webrick — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 2 October 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7709-1 Related CVEs: CVE-2025-6442 CVE-2024-47220 Upstream summary: It was discovered that WEBrick incorrectly parsed HTTP headers. In configurations where WEBrick is placed behind an HTTP proxy, a remote attacker could […]

Read more
Ubuntu 24.04 — gtk+3.0 — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — gtk+3.0 — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 1 October 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6899-1 Related CVEs: CVE-2024-6655 Upstream summary: It was discovered that GTK would attempt to load modules from the current directory, contrary to expectations. If users started GTK applications from shared […]

Read more
CHAT