open-consul/website/source/docs/guides/index.html.markdown

---
layout: "docs"
page_title: "Guides"
sidebar_current: "docs-guides"
description: |-
  This section provides various guides for common actions. Due to the nature of Consul, some of these procedures can be complex, so our goal is to provide guidance to do them safely.
---

# Consul Guides

This section provides various guides for common actions. Due to the nature
of Consul, some of these procedures can be complex, so our goal is to provide
guidance to do them safely.

The following guides are available:

* [Atlas Integration](/docs/guides/atlas.html) - This guide covers how to integrate [Atlas](https://atlas.hashicorp.com) with Consul.

* [Adding/Removing Servers](/docs/guides/servers.html) - This guide covers how to safely add and remove Consul servers from the cluster. This should be done carefully to avoid availability outages.

* [Bootstrapping](/docs/guides/bootstrapping.html) - This guide covers bootstrapping a new datacenter. This covers safely adding the initial Consul servers.

* [DNS Caching](/docs/guides/dns-cache.html) - Enabling TTLs for DNS query caching

* [DNS Forwarding](/docs/guides/forwarding.html) - Forward DNS queries from Bind to Consul

* [External Services](/docs/guides/external.html) - This guide covers registering an external service. This allows using 3rd party services within the Consul framework.

* [Leader Election](/docs/guides/leader-election.html) - The goal of this guide is to cover how to build client-side leader election using Consul.

* [Multiple Datacenters](/docs/guides/datacenters.html) - Configuring Consul to support multiple datacenters.

* [Outage Recovery](/docs/guides/outage.html) - This guide covers recovering a cluster that has become unavailable due to server failures.

* [Semaphore](/docs/guides/semaphore.html) - This guide covers using the Key/Value store to implement a semaphore.