Ubuntu 20.04

Comment passer à Ubuntu 20.04 Focal Fossa — step-by-step Linux tutorial on Progressive Robot

Comment passer à Ubuntu 20.04 Focal Fossa

La dernière version du support à long terme (LTS) du système d’exploitation Ubuntu, Ubuntu 20.04 (Focal Fossa), est sortie le 23 avril 2020. Ce guide explique comment mettre à niveau un système Ubuntu de la version 18.04 ou ultérieure vers Ubuntu…

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How To Install the Apache Web Server on Ubuntu 20.04 [Quickstart] — step-by-step Linux tutorial on Progressive Robot

How To Install the Apache Web Server on Ubuntu 20.04 [Quickstart]

The Apache HTTP server is the most widely-used web server in the world. It provides many powerful features, including dynamically loadable modules, robust media support, and extensive integration with other popular software. In this guide, we’ll explain how to install an Apache web server on your Ubuntu 20.04 server.

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

Ubuntu 20.04 — spamassassin — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 September 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4899-1 Related CVEs: CVE-2020-1946 Upstream summary: Damian Lukowski discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were tricked into using a specially- crafted CF […]

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Установка веб-сервера Apache в Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Установка веб-сервера Apache в Ubuntu 20.04

HTTP-сервер Apache — самый широко используемый веб-сервер в мире. Он имеет множество мощных функций, включая динамически загружаемые модули, надежную поддержку различных медиаформатов и интеграцию с другим популярным программным обеспечением. В этом обучающем руководстве мы…

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Como instalar o R no Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Como instalar o R no Ubuntu 20.04

R é uma linguagem de programação de código aberto e é amplamente usado para realizar análise de dados e o computação estatística. É amparado pela Fundação R para computação estatística, além de ser uma linguagem cada vez mais popular e extensível com uma comunidade ativa. O R…

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Common Problems 117444

Ubuntu 20.04 LTS NO_PUBKEY Repository Signature Error

🟡 Medium   ⏱ 5–30 min  Last verified: 11 September 2020 📖 ~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 20.04 — kamailio — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 20.04

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

🟡 Medium   ⏱ 10–30 min  Last verified: 10 September 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7416-1 Related CVEs: CVE-2016-2385 CVE-2018-14767 CVE-2020-28361 CVE-2018-16657 CVE-2020-27507 Upstream summary: Stelios Tsampas discovered that Kamailio did not correctly handle certain memory operations, which could lead to a buffer overflow. A […]

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