An Introduction to Metrics, Monitoring, and Alerting

July 11, 2019
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Understanding the state of your infrastructure and systems is essential for ensuring the reliability and stability of your services. In this guide, we will discuss what metrics, monitoring, and alerting are. We will talk about why they are important, what types of opportunities they provide, and the type of data you may wish to track. We will be introducing some key terminology along the way and will end with a short glossary of some other terms you might come across while exploring this space.

How To Execute Ansible Playbooks to Automate Server Setup

July 10, 2019
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Ansible is a modern configuration management tool that facilitates the task of setting up and maintaining remote servers. With a minimalist design intended to get users up and running quickly, it allows you to control one to hundreds of systems from a central location. This short guide demonstrates how to execute Ansible playbooks to automate server setup, using an example playbook that sets up an Nginx server with a single static HTML page.

Erstellen eines Hashicorp-Vault-Servers mit Packer und Terraform in the cloud provider [Schnellstart]

July 2, 2019
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Vault von Hashicorp ist ein Open-Source-Tool, um Geheimnisse und sensible Daten in dynamischen Cloud-Umgebungen sicher zu speichern. Packer und Terraform, ebenfalls von Hashicorp entwickelt,…

Cómo importar recursos existentes de the cloud provider a Terraform

June 25, 2019
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El autor seleccionó la Free and Open Source Fund para recibir una donación como parte del programa Write for DOnations. Terraform es una herramienta de…

Understanding Privilege Escalation in Ansible Playbooks

June 23, 2019
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It is important to understand how privilege escalation works in Ansible, so that you’re able to execute your tasks with appropriate permissions. By default, tasks will run as the connecting user – this might be either root or any regular user with SSH access to the remote nodes in an inventory file. In this guide, learn more about privilege escalation in Ansible playbooks.

An Introduction to Tracking Statistics with Graphite, StatsD, and CollectD

June 19, 2019
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Collecting statistics about your applications and systems can help you make intelligent decisions about what to work on and where issues may like. In this guide, we will discuss a few technologies that can be used together to collect, store, and graph data about your applications, services, and computers over a long period of time.