ubuntu

Ubuntu 20.04 — mumble — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — mumble — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5195-1 Related CVEs: CVE-2021-27229 Upstream summary: It was discovered that the Mumble client supported websites for public servers with arbitrary URL schemes. If a user were tricked into visiting a […]

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Ubuntu 20.04 — nanopb — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — nanopb — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6121-1 Related CVEs: CVE-2020-26243 CVE-2021-21401 Upstream summary: It was discovered that Nanopb incorrectly handled certain decode messages. An attacker could possibly use this cause a denial of service or expose […]

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How To Horizontally Scale a Laravel 4 App with a PostgreSQL Database — step-by-step Linux tutorial on Progressive Robot

How To Horizontally Scale a Laravel 4 App with a PostgreSQL Database

There are two methods to scaling an application, service, server, etc. The first, vertical scaling, calls for more resources to a machine. The second, horizontal scaling, calls for a separation of functionality to create a more piecemeal assembly of parts. This tutorial will show you how to horizontally scale a Laravel 4 App with a PostgreSQL database.

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Ubuntu 14.04 — lxml — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 14.04

Ubuntu 14.04 — lxml — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5225-1 Related CVEs: CVE-2021-43818 CVE-2021-28957 CVE-2020-27783 CVE-2018-19787 CVE-2014-3146 Upstream summary: It was discovered that lxml incorrectly handled certain XML and HTML files. An attacker could possibly use this issue to […]

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Ubuntu 18.04 — whoopsie — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — whoopsie — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4450-1 Related CVEs: CVE-2020-11937 CVE-2020-12135 CVE-2020-15570 https://launchpad.net/bugs/1850608 CVE-2019-11484 CVE-2019-11476 Upstream summary: Seong-Joong Kim discovered that Whoopsie incorrectly handled memory. A local attacker could use this issue to cause Whoopsie to […]

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Установка Linux, Nginx, MySQL, PHP (стека LEMP) в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Установка Linux, Nginx, MySQL, PHP (стека LEMP) в Ubuntu 20.04

Программный стек LEMP — это комплекс программного обеспечения, используемый для обслуживания динамических веб-страниц и веб-приложений, написанных на PHP. Аббревиатура LEMP обозначает операционную систему Linux с веб-сервером Nginx (произносится как «энджинкс»). Данные…

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Common Problems 118554

Ubuntu 16.04 LTS MySQL service fails after abrupt disk full event

🔴 Critical   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 16.04 📖 ~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 […]

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Ubuntu 20.04 — aspell — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

Ubuntu 20.04 — aspell — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5023-1 Related CVEs: CVE-2019-25051 Upstream summary: It was discovered that Aspell incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code or cause a crash. […]

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Ubuntu 18.04 — p11-kit — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — p11-kit — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4677-1 Related CVEs: CVE-2020-29361 CVE-2020-29362 CVE-2020-29363 Upstream summary: David Cook discovered that p11-kit incorrectly handled certain memory operations. An attacker could use this issue to cause p11-kit to crash, resulting […]

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