# Install monitoring and logging tools¶

The Backend.AI can use several 3rd-party monitoring and logging services. Using them is completely optional.

## Guide variables¶

⚠️ Prepare the values of the following variables before working with this page and replace their occurrences with the values when you follow the guide.

Name

Description

{DDAPIKEY}

{DDAPPKEY}

{SENTRYURL}

The private Sentry report URL

$DD_API_KEY={DDAPIKEY} bash -c "$(curl -L https://raw.githubusercontent.com/DataDog/dd-agent/master/packaging/datadog-agent/source/install_agent.sh)"