🟡 Medium ⏱ 5–30 min Last verified: 19 February 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 […]
🟢 Low ⏱ 5–15 min Last verified: 18 February 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7349-1 Related CVEs: CVE-2022-30333 CVE-2023-40477 Upstream summary: It was discovered that RAR incorrectly handled certain paths. If a user or automated system were tricked into extracting a specially crafted RAR […]
🟢 Low ⏱ 5–15 min Last verified: 18 February 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7892-1 Related CVEs: CVE-2023-44487 Upstream summary: It was discovered that H2O exhibited poor server resource management in its HTTP/2 protocol. An attacker could possibly use this issue to cause H2O […]
Configuration management systems are designed to streamline the process of controlling large numbers of servers, for administrators and operations teams. They allow you to control many different systems in an automated way from one central location. While there are many…
🟠 High ⏱ 15–60 min Last verified: 16 February 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5485-1 Related CVEs: CVE-2022-21123 CVE-2022-21125 CVE-2022-21166 CVE-2022-1158 CVE-2022-1966 CVE-2022-1972 CVE-2022-21499 CVE-2022-24958 +12 more Upstream summary: It was discovered that some Intel processors did not completely perform cleanup actions on multi-core […]
![Como instalar o Composer no Ubuntu 20.04 [Início rápido] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-composer-on-ubuntu-20-04-quickstart-pt-80546-featured.png "Como instalar o Composer no Ubuntu 20.04 [Início rápido] 6")
Neste guia de início rápido, instalaremos o Composer em um servidor Ubuntu 20.04. Para uma versão mais detalhada deste tutorial, contendo explicações mais detalhadas para cada passo, confira [Como instalar e configurar o Composer no Ubuntu…
![How To Install Linux, Apache, MySQL, PHP (LAMP) stack on Ubuntu 20.04 [Quickstart] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-linux-apache-mysql-php-lamp-stack-on-ubuntu-20-04-quickstart-81376-featured.png "How To Install Linux, Apache, MySQL, PHP (LAMP) stack on Ubuntu 20.04 [Quickstart] 7")
In this quickstart guide, we’ll install a LAMP stack on an Ubuntu 20.04 server.
🟢 Low ⏱ 5–15 min Last verified: 13 February 2023 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5937-1 Related CVEs: CVE-2022-47021 Upstream summary: It was discovered that Opusfile was not properly validating pointer arguments in some of its functions, which could lead to a NULL pointer dereference. […]
In this tutorial we will download and install Deno on Ubuntu 20.04, and run a `hello world` statement to test out our installation. Deno is a new JavaScript runtime being developed by the creator of Node.js, with a focus on security, developer experience, and compatibility with standard browser APIs. Deno uses the same V8 JavaScript engine as Node.js and the Chrome web browser, but ships with secure sandboxing, built-in TypeScript support, and a curated set of standard modules.
Let’s Encrypt adalah Otoritas Sertifikat (CA) yang memfasilitasi perolehan dan instalasi sertifikat TLS/SSL gratis, yang dengan demikian mengaktifkan HTTPS terenkripsi pada server web. Saat ini, seluruh proses perolehan dan instalasi sertifikat dijalankan otomatis sepenuhnya baik pada Apache dan Nginx dengan menggunakan Certbot. Dalam panduan ini, kita akan menggunakan Certbot untuk memperoleh sertifikat SSL gratis untuk Apache pada Ubuntu 20.04, dan memastikan agar sertifikat ini disiapkan untu
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