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Установка MySQL в Ubuntu 20.04 [Краткое руководство]
MySQL — это система управления базами данных с открытым исходным кодом, которая, как правило, устанавливается в составе популярного стека…
How to Install CouchDB on RHEL 10
Introduction How to Install CouchDB on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is reproducible and production-safe. […]
How to Deploy Your Application or Microservice on Kubernetes
How Kubernetes deploys and manages groups of pods. How to distinguish between the different use cases for a Kubernetes Deployment. How to create a YAML manifest for a Deployment. How to create and inspect a Kubernetes Deployment.
How To Configure a Galera Cluster with MariaDB on CentOS 7 Servers
In this guide, you will configure an active-active MariaDB Galera cluster. For demonstration purposes, you will configure and test three CentOS 7 Droplets that will act as nodes in the cluster. MariaDB is an open source relational database system that is fully compatible with the popular MySQL RDBMS system. Galera is a database clustering solution that enables you to set up multi-master clusters using synchronous replication.
Debian 9 — expat — multiple vulnerabilities (3 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2017-9233 CVE-2018-20843 CVE-2019-15903 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]
Централизация журналов с помощью Journald в Debian 10
Автор выбрал фонд Free and Open Source Fund для получения пожертвования в рамках программы Write for DOnations. Системные журналы — чрезвычайно важный компонент управления системами Linux. Они…
HAproxy SSL/TLS Warning: Setting tune.ssl.default-dh-param to 1024 by default
You may encounter an HAProxy Setting tune.ssl.default-dh-param to 1024 by default warning message if your HAProxy server is configured with an SSL/TLS certificate and key, but there isn’t a value set for the tune.ssl.default-dh-param parameter in the configuration file. In…
How To Access Front and Rear Cameras with JavaScript’s getUserMedia()
With HTML5 came the introduction of APIs with access to device hardware, including the MediaDevices API. This API provides access to media input devices like audio and video. In this tutorial, you’ll see how to get access to the video feeds from a user’s device cameras.
How to Configure Azure Site Recovery for Windows Server 2019
Introduction to Azure Site Recovery for Windows Server 2019 Azure Site Recovery (ASR) is Microsoft’s cloud-based disaster recovery service that replicates workloads running on physical and virtual Windows Server 2019 machines to Azure, providing automated failover to Azure VMs when the primary site is unavailable. Unlike backup solutions that restore from a point-in-time copy, ASR […]
Como Otimizar Imagens Docker para Produção
O autor escolheu a Code.org para receber uma doação como parte do programa Write for DOnations. Em um ambiente de produção, o Docker facilita a criação, o deployment e…
