How to Set Up Windows Server 2016 Server Manager Server Manager is the central management console in Windows Server 2016 that consolidates the most common server administration tasks into a single dashboard. It provides a unified view of server status, role and feature management, event logs, performance data, and service health across both local and […]
Puppet is a configuration management tool that helps system administrators automate the provisioning, configuration and management of a server infrastructure. In this tutorial, we will demonstrate how to install open source Puppet 4 in a master-agent setup on Ubuntu 16.04. In this setup, the Puppet master server—which runs the Puppet Server software—can be used to control al
🔴 Critical ⏱ 15–90 min Last verified: 27 February 2021 Affected versions: Oracle Linux 8 📖 ~4 min read • Source: ELSA advisory ELSA-2021-0655 Related CVEs: CVE-2021-23968 CVE-2021-23973 CVE-2021-23969 CVE-2021-23978 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
Предыдущая версия настоящего обучающего модуля составлена Хейзел Вирдо MySQL — это система управления базами данных с открытым исходным кодом, которая, как правило, устанавливается в составе…
🟡 Medium ⏱ 10–30 min Last verified: 27 February 2021 Affected versions: Debian 10 (buster) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2019-14232 CVE-2019-19844 CVE-2020-13254 CVE-2020-7471 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches […]
Kubernetes is a container orchestration system that can manage containerized applications across a cluster of server nodes. Maintaining network connectivity between all the containers in a cluster requires some advanced networking techniques. In this article, we will briefly…
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2021:0588-1 (see also SUSE bugzilla) Related CVEs: CVE-2021-21416 Upstream summary: django-registration is a user registration package for Django. The django-registration package provides tools for implementing user-account registration flows in the Django web […]
In this tutorial, you’ll use LXD to install two Nginx-based web sites on the same server, each confined to its own container. Then you’ll install HAProxy in a third container which will act as a reverse proxy. You’ll then route traffic to the HAProxy container in order to make both web sites accessible from the Internet.
Props are arguments that you provide to a JSX element in a React application. They look like standard HTML props, but they aren’t predefined and can have many different JavaScript data types, including numbers, strings, functions, arrays, and even other React components. In this tutorial, you’ll create custom components by passing props to your component. After adding props, you will use PropTypes to define the type of data you expect a component to receive.
How to Manage Node.js Versions with NVM on RHEL 7 Managing Node.js versions is one of the most common challenges for developers and system administrators working with JavaScript applications. Different projects often require different Node.js versions—a legacy application might target Node.js 14 while a new microservice targets Node.js 20. Upgrading the system-wide Node.js installation to […]
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