What is Cloud Computing?
Cloud computing is the on-demand delivery of computing resources as services, meaning that the resources are owned and managed by the cloud provider rather than the end user.
AlmaLinux 8 — qt5-qttools — multiple vulnerabilities (6 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read • Source: AlmaLinux ALSA ALSA-2021:4172 Related CVEs: CVE-2021-3481 CVE-2015-9541 CVE-2018-21035 CVE-2020-0569 CVE-2020-0570 CVE-2020-13962 Upstream summary: Qt is a software toolkit for developing applications. The following packages have been upgraded to a later upstream version: adwaita-qt (1.2.1), […]
Ubuntu 16.04 — netty-3.9 — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 26 June 2021 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4600-1 Related CVEs: CVE-2019-16869 CVE-2019-20444 CVE-2019-20445 CVE-2020-7238 Upstream summary: It was discovered that Netty had HTTP request smuggling vulnerabilities. A remote attacker could used it to extract sensitive information. (CVE-2019-16869, […]
Ubuntu 14.04 — libsdl1.2 — multiple vulnerabilities (12 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 26 June 2021 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5398-1 Related CVEs: CVE-2021-33657 CVE-2019-13616 CVE-2019-7572 CVE-2019-7573 CVE-2019-7574 CVE-2019-7575 CVE-2019-7576 CVE-2019-7577 +4 more Upstream summary: It was discovered that SDL (Simple DirectMedia Layer) incorrectly handled certain files. An attacker could […]
Amazon Linux 2 — python-rsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2023-2150 Related CVEs: CVE-2020-25658 CVE-2020-13757 Upstream summary: A flaw was found in python-rsa, where it is vulnerable to Bleichenbacher timing attacks. This flaw allows an attacker, via the RSA decryption […]
![Installieren von MySQL unter Ubuntu 20.04 [Schnellstart] — step-by-step Linux tutorial on Progressive Robot](https://www.progressiverobot.com/wp-content/uploads/2026/05/how-to-install-mysql-on-ubuntu-20-04-quickstart-de-81811-featured.png "Installieren von MySQL unter Ubuntu 20.04 [Schnellstart] 6")
Installieren von MySQL unter Ubuntu 20.04 [Schnellstart]
MySQL ist ein Open-Source-basiertes Datenbank-Managementsystem, das üblicherweise als Teil des beliebten LAMP-Stacks (Linux, Apache,…
Oracle Linux 8 — virt:ol and virt-devel:rhel security and — enhancement update — new behaviour and fixes (ELSA-2024-2962)
🟡 Medium ⏱ 10–30 min Last verified: 25 June 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2024-2962 Related CVEs: CVE-2023-3255 CVE-2023-5088 CVE-2023-6683 CVE-2023-6693 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
What is High Availability?
While handling increased system load is a common concern, decreasing downtime and eliminating single points of failure are just as important. High availability is a quality of infrastructure design at scale that addresses these latter considerations. In this guide, we will discuss what exactly high availability means and how it can improve your infrastructure’s reliability.
Spring Dependency Injection
URL: https://www.progressiverobot.com/spring-dependency-injection/ Today we will look into Spring Dependency Injection. Spring Framework core concepts are "Dependency Injection" and "Aspect Oriented Programming". We have written earlier about [Java Dependency Injection](/community/tutorials/java-dependency-injection-design-pattern-example-tutorial "Java Dependency Injection ") and how we can use [Google Guice](/community/tutorials/google-guice-dependency-injection-example-tutorial "Google Guice Dependency Injection Example Tutorial") framework to automate this process in our applications. Spring […]
How to install WordPress on Ubuntu
URL: https://www.progressiverobot.com/install-wordpress-on-ubuntu/ In this article, we will focus on how to install WordPress on Ubuntu 18.04. WordPress is a free and open-source content management platform based on PHP and MySQL. It’s the world’s leading blogging and content management system with a market share of over 60%, dwarfing its rivals such as Joomla and Drupal. WordPress […]
