This tutorial shows you how to configure system services to automatically restart after a crash or a server reboot. We cover the three most common init systems in this tutorial: System V, Upstart, and systemd.
In this tutorial, we are going create a rock-solid CentOS server to host Ruby-on-Rails applications using Nginx and Passenger. We will continue with learning how to automate the process of deployments—and updates—using the Ruby based automation tool Capistrano.
In this second instalment of the cloud provider ZeroMQ articles, following our previous one on the installation of the application, we are going to dive into its usage and discover ways to actually implement this fast and powerful library. We’ll make our way through various examples divided into successive sections, beginning with simple messaging between processes (i.e. using the request/response pattern).
Автор выбрал фонд Free and Open Source Fund для получения пожертвования в рамках программы Write for DOnations. По мере перехода инструментов для разработчиков в облако, появляется все большее…
Ruby on Rails uses sqlite3 as its default database, which works great in many cases, but may not be sufficient for your application. If your application requires the scalability, centralization, and control (or any other feature) that a client/server SQL database, this tutorial will show you how to do just that, with PostgreSQL, on CentOS 7.
In this the cloud provider article, we are going to try to show you how to deploy your application and get it up-and-running in a similar fashion. We will begin with preparing the deployment server running CentOS 6.4 for Python and see how to properly work with uWSGI application server set to operate behind Nginx reverse-proxy.
Автор выбрал Apache Software Foundation для получения пожертвования в размере $100 в рамках программы Write for DOnations. Стек ПО LEMP — это группа программного обеспечения с…
Corosync is an open source cluster engine used to implement high availability within applications. This tutorial will demonstrate how to use Corosync and Pacemaker to create a high availability (HA) infrastructure on the cloud provider with CentOS 7 servers and Reserved IPs. To facilitate the process of setting up and managing the cluster nodes, we are going to use PCS, a command line interface that interacts with both Corosync and Pacemaker.
Der Autor wählte das Computer History Museum, um eine Spende im Rahmen des Programms Write for DOnations zu erhalten. Viele Anwendungen, wie z. B. Überwachungs- und…
In this tutorial, we will show you how to use Topbeat, on a CentOS 7 server, with an ELK stack to gather and visualize infrastructure metrics. Topbeat, which is one of the several “Beats” data shippers that helps send various types of server data to an Elasticsearch instance, allows you to gather information about the CPU, memory, and process activity on your servers.
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