ProxySQL is an open-source MySQL proxy server which can improve performance by distributing traffic among a pool of multiple database servers and also improve availability by automatically failing over to a standby if a database server fails. In this guide, you will set up ProxySQL as a load balancer for multiple MySQL servers with automatic failover.
Telepresence is a Cloud-Native Computing Foundation project for fast, efficient development on Kubernetes. Telepresence creates a bi-directional network connection between your Kubernetes cluster and your local workstation, which allows you to run your service locally, while you run the rest of your application in the cloud. In this tutorial, you’ll install and configure Telepresence to work with a Kubernetes cluster, and redirect traffic to that cluster to your local machine.
Ansible Vault is a feature that allows users to encrypt values and data structures within Ansible projects. This provides the ability to secure sensitive data that may be necessary to successfully run Ansible plays, but should not be publicly visible. Ansible is able to…
Ketika Anda menciptakan server Ubuntu 20.04 yang baru untuk pertama kali, Anda harus melakukan beberapa langkah konfigurasi penting sebagai bagian dari persiapan dasar. Langkah-langkah ini akan meningkatkan keamanan dan penggunaan server Anda, serta memberikan Anda suatu fondasi yang kuat untuk berbagai tindakan berikutnya.
In this article, we will install and configure Bacula on an Ubuntu 12.04 Virtual Private Server instance. Bacula is a powerful backup solution that offers flexibility and scaleability by relying on a client-server model.
Monit is a free and open source service monitoring application which can perform various event-based actions. Monit can send email notifications, restart a service or application, or take other responsive actions.
Системы управления реляционными базами данных являются ключевым компонентом работы многих веб-сайтов и приложений. Они предоставляют средство структурированного хранения, организации и доступа к информации. PostgreSQL или Postgres – это система управления реляционной базой…
Learn what causes the SSL Protocol Error and how to fix it in Chrome, Firefox, and other browsers. Follow this guide for simple troubleshooting steps.
UFW est un outil de configuration de pare-feu pour les iptables qui est inclus dans Ubuntu par défaut. Sous forme d’aide-mémo, ce guide vous permettra de trouver rapidement les commandes UFW qui créeront des règles de pare-feu iptables qui sont utiles dans les scénarios classiques du quotidien. Ceci intègre des exemples UFW d’autorisation et de blocage de plusieurs services par port, interface de réseau ou adresse IP source.
This tutorial will demonstrate how to plan and set up a sample production application from start to finish. Hopefully, this will help you plan and implement your own production server environment, even if you are running a different application on a completely different technology stack. Because this tutorial covers many different system administration topics, it will often defer the detailed explanation to external supporting articles that provide supplemental information.
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