Devops

How To Monitor CPU Use on cloud servers — step-by-step Devops tutorial on Progressive Robot

How To Monitor CPU Use on cloud servers

Suppose your website or application is more sluggish than usual. How do you begin to investigate the problem? There are so many causes for a slow application, but sometimes it’s because your server’s CPUs are maxed out. This guide will help you find out whether that is the case for you.

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Введение в управление конфигурацией с Ansible — step-by-step Devops tutorial on Progressive Robot

Введение в управление конфигурацией с Ansible

Управление конфигурацией — это процесс учета изменений, вносимых в систему с целью сохранения ее целостности. Обычно используются инструменты и методы, способствующие автоматизации процесса и наблюдению состояния системы. Хотя эта концепция родилась не в ИТ-индустрии, термин стал…

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How To Deploy Multiple Environments in Your Terraform Project Without Duplicating Code — step-by-step Devops tutorial on Progressive Robot

How To Deploy Multiple Environments in Your Terraform Project Without Duplicating Code

Some advanced features Terraform offers become useful when your project grows in size and complexity. It’s possible to alleviate the cost of maintaining complex infrastructure definitions for multiple environments by structuring your code to minimize repetitions and by introducing tool-assisted workflows for easier testing and deployment. In this tutorial, you’ll first deploy multiple infrastructure instances using different workspaces.

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Einführung in das Konfigurationsmanagement mit Ansible — step-by-step Devops tutorial on Progressive Robot

Einführung in das Konfigurationsmanagement mit Ansible

Konfigurationsmanagement ist die Verwaltung von Änderungen in einem System auf eine Weise, die dauerhafte Integrität gewährleistet. Dazu werden in der Regel Tools und Prozesse verwendet, die für Automatisierung und Beobachtbarkeit sorgen. Das Konzept wurde zwar nicht in der…

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How to Manage Multistage Environments with Ansible — step-by-step Devops tutorial on Progressive Robot

How to Manage Multistage Environments with Ansible

Ansible is a powerful configuration management system used to set up and manage infrastructure and applications in varied environments. While Ansible provides easy-to-read syntax, flexible workflows, and powerful tooling, managing large numbers of hosts that have important…

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How To Install and Configure Monit — step-by-step Devops tutorial on Progressive Robot

How To Install and Configure Monit

Monit is a helpful program that automatically monitors and manages server programs to ensure that they not only stay online consistently, but that the file size, checksum, or permissions are always correct. This tutorial covers monit installation and provides an example of how to configure it for some common programs.

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How To Manage Remote Servers with Ansible eBook — step-by-step Devops tutorial on Progressive Robot

How To Manage Remote Servers with Ansible eBook

This book is designed to introduce you to using Ansible to manage your servers. You’ll learn how to install and configure Ansible on a control node, and then how to use it to configure and run commands on remote servers. You’ll also learn how to collect tasks into complete Playbooks to automate server setup from start to finish. This eBook is available for download in both EPUB and PDF formats.

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What Is Immutable Infrastructure? — step-by-step Devops tutorial on Progressive Robot

What Is Immutable Infrastructure?

Immutable infrastructure is an infrastructure paradigm in which servers are never modified after they’re deployed. This article explains the conceptual and practical differences between mutable and immutable infrastructure, describes the advantages of using an immutable infrastructure and contextualizes the complications, and gives a high-level overview of the implementation details and necessary components for an immutable infrastructure.

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