ubuntu

How to Install and Configure Xdebug 3 for PHP 8.3 on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install Drupal 11 on Ubuntu 24.04

Drupal 11 is an enterprise-grade open-source CMS and web application framework. Released in 2024, it requires PHP 8.3+ and modern extensions. This guide installs Drupal 11 on Ubuntu 24.04 LTS with Nginx and PHP 8.3. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server Nginx, PHP 8.3-FPM, MySQL 8.0 installed Composer installed […]

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Ubuntu 20.04 — flatpak — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — flatpak — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 December 2024 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7046-1 Related CVEs: CVE-2024-42472 https://launchpad.net/bugs/2077087 CVE-2021-41133 CVE-2021-21381 CVE-2021-21261 Upstream summary: It was discovered that Flatpak incorrectly handled certain persisted directories. An attacker could possibly use this issue to read and […]

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How to Secure MySQL 8.0 on Ubuntu 24.04 — step-by-step Linux tutorial on Progressive Robot

How to Install pgAdmin 4 on Ubuntu 24.04

pgAdmin 4 is the leading open-source web-based management tool for PostgreSQL. This guide installs the pgAdmin 4 web version on Ubuntu 24.04 LTS so you can manage databases from a browser. Tested and valid on: Ubuntu 24.04 LTS Prerequisites Ubuntu 24.04 LTS server PostgreSQL 16 installed Nginx installed A user with sudo privileges Step 1 […]

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Ubuntu 22.04 — twisted — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — twisted — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 December 2024 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6988-2 Related CVEs: CVE-2024-41671 CVE-2024-41810 CVE-2022-39348 CVE-2023-46137 CVE-2022-24801 CVE-2022-21716 Upstream summary: USN-6988-1 fixed CVE-2024-41671 in Twisted. The USN incorrectly stated that previous releases were unaffected. This update provides the equivalent […]

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Common Problems 118993

Ubuntu 14.04 LTS Wi-Fi keeps disconnecting

🟡 Medium   ⏱ 5–30 min  Last verified: 24 December 2024 📖 ~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 117941

Ubuntu 18.04 NVIDIA Driver Install Leaves GUI Unusable

🟡 Medium   ⏱ 5–30 min  Last verified: 24 December 2024 📖 ~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 117055

Ubuntu 22.04 LTS – PostgreSQL refuses remote connections – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 December 2024 Affected versions: Ubuntu 22.04 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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Common Problems 116604

Ubuntu 24.04 LTS – NGINX fails to start because port 80 is already in use – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 24 December 2024 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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Common Problems 116552

Ubuntu 24.04 LTS – sshd fails to start after configuration change

🔴 Critical   ⏱ 5–30 min  Last verified: 24 December 2024 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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