---
title: "Ruby on Linux"
slug: "prefix-ruby-on-linux"
description: "Learn how to install and configure Stackify Ruby Profiler with Prefix for your Ruby application. Verify requests in Prefix. Build and deploy with ease!"
updated: 2021-09-13T21:08:01Z
published: 2021-09-13T21:08:01Z
canonical: "docs.stackify.com/prefix-ruby-on-linux"
---

> ## Documentation Index
> Fetch the complete documentation index at: https://docs.stackify.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Ruby on Linux

:::(Info) (Prerequisites:)
* [Supported Ruby Technologies](https://docs.stackify.com/docs/supported)
*Since Prefix and Retrace share the same modules/profiler, the supported frameworks between the two products will be the same in most cases.*
:::

### 1. Download and install the Prefix installation file:
Check out the [Getting Started](https://docs.stackify.com/v1/docs/prefix-getting-started) Prefix page to download and install Prefix on your workstation. 

### 2. Get the latest Stackify Ruby Profiler for Prefix:
Modify the application `Gemfile`:
```ruby
gem 'stackify-ruby-apm'
```
### 3. Configure the Application to use the Profiler with Prefix Enabled:
* Add `config/stackify_apm.yml` to your application, modify **application_name** and **environment_name**.
* Add `prefix_enabled: true`to the **stackify_apm.yml** file.
 ```yaml
application_name: 'Ruby Application'
environment_name: 'Production'
prefix_enabled: true
```
### 4. Initialize the Profiler:
#### Rails 
Profiler will startup automatically, no additional configuration. 

#### Non-Rails 
Include **StackifyRubyAPM::Middleware** when starting your application: 
```ruby 
# config.ru

require 'stackify-ruby-apm'
use StackifyRubyAPM::Middleware
StackifyRubyAPM.start

# application startup

at_exit { StackifyRubyAPM.stop }
``` 

#### Sinatra 
```ruby 
# config.ru

require 'stackify-ruby-apm'
require 'sinatra/base'

class MyApp < Sinatra::Base
  use StackifyRubyAPM::Middleware

  # get '/' do ... 

end

StackifyRubyAPM.start 

run MyApp

at_exit { StackifyRubyAPM.stop }
``` 
**Build and Deploy your application.**

### 5. Verify application requests show up in Prefix