ubuntu

Ubuntu 20.04 — prometheus-alertmanager — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — prometheus-alertmanager — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 November 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6935-1 Related CVEs: CVE-2023-40577 Upstream summary: It was discovered that prometheus-alertmanager didn't properly sanitize input it received through an API endpoint. An attacker with permission to send requests to this […]

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How To Install Umami Web Analytics Software on Ubuntu 20.04 — step-by-step Docker tutorial on Progressive Robot

How To Install Umami Web Analytics Software on Ubuntu 20.04

Umami is an open-source, self-hosted web analytics application written in Node.js. It focuses on being simple, well-designed, fast, and privacy-focused. It can store data about your website’s visitors in either a MySQL or PostgreSQL database. In this tutorial you will install Umami and a PostgreSQL database using Docker Compose, then install Nginx and Certbot to set up a secure HTTPS reverse proxy for Umami.

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Ubuntu 18.04 — golang-1.18 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — golang-1.18 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 5 November 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7109-1 Related CVEs: CVE-2022-41723 CVE-2022-41724 CVE-2022-41725 CVE-2023-24531 CVE-2023-24536 CVE-2023-29402 CVE-2023-29403 CVE-2023-29404  +12 more Upstream summary: Philippe Antoine discovered that Go incorrectly handled crafted HTTP/2 streams. An attacker could possibly use […]

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Ubuntu 22.04 — python-git — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — python-git — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 5 November 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6326-1 Related CVEs: CVE-2023-40267 CVE-2022-24439 Upstream summary: It was discovered that GitPython did not block insecure options from user inputs in the clone command. An attacker could possibly use this […]

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Common Problems 117577

Ubuntu 20.04 LTS – AppArmor profile denial breaks custom application startup – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 4 November 2023 Affected versions: Ubuntu 20.04 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 117092

Ubuntu 22.04 unmet dependencies during package install

🟡 Medium   ⏱ 5–30 min  Last verified: 4 November 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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Ubuntu 16.04 — perl — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — perl — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 3 November 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6112-1 Related CVEs: CVE-2023-31484 CVE-2020-16156 CVE-2020-10543 CVE-2020-10878 CVE-2020-12723 CVE-2018-18311 CVE-2018-18312 CVE-2018-18313  +10 more Upstream summary: It was discovered that Perl was not properly verifying TLS certificates when using CPAN together […]

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Common Problems 117003

Ubuntu 22.04 LTS – time drift causes TLS and authentication failures – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 3 November 2023 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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Установка Nginx в Ubuntu 20.04 [Краткое руководство] — step-by-step Linux tutorial on Progressive Robot

Установка Nginx в Ubuntu 20.04 [Краткое руководство]

Nginx — один из самых популярных в мире веб-серверов, на базе которого размещены некоторые из самых крупных сайтов интернета с огромным трафиком. Обычно он использует ресурсы эффективнее, чем Apache, и может использоваться как веб-сервер или обратный прокси-сервер. В этом…

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Common Problems 117037

Ubuntu 22.04 Bluetooth Adapter Not Detected After Update

🟡 Medium   ⏱ 5–30 min  Last verified: 1 November 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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