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Ingest logs with Filebeat

If you haven’t already, you need to install Elasticsearch for storing and searching your data, and Kibana for visualizing and managing it. For more information, see Spin up the Elastic Stack.

Install and configure Filebeat on your servers to collect log events. Filebeat allows you ship log data from sources that come in the form of files. It monitors the log files or locations that you specify, collects log events, and forwards them to Elasticsearch. To ease the collection and parsing of log formats for common applications such as Apache, MySQL, and Kafka, a number of modules are available.

Step 1: Install Filebeat

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Install Filebeat on all the servers you want to monitor.

To download and install Filebeat, use the commands that work with your system:

curl -L -O https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-7.17.26-amd64.deb
sudo dpkg -i filebeat-7.17.26-amd64.deb

curl -L -O https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-7.17.26-x86_64.rpm
sudo rpm -vi filebeat-7.17.26-x86_64.rpm

curl -L -O https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-7.17.26-darwin-x86_64.tar.gz
tar xzvf filebeat-7.17.26-darwin-x86_64.tar.gz

brew tap elastic/tap
brew install elastic/tap/filebeat-full

This command installs the most recently released default distribution of Filebeat. To install the OSS distribution, specify elastic/tap/filebeat-oss.

curl -L -O https://artifacts.elastic.co/downloads/beats/filebeat/filebeat-7.17.26-linux-x86_64.tar.gz
tar xzvf filebeat-7.17.26-linux-x86_64.tar.gz

Download the Filebeat Windows zip file from the downloads page.
Extract the contents of the zip file into C:\Program Files.
Rename the filebeat-<version>-windows directory to Filebeat.
Open a PowerShell prompt as an Administrator (right-click the PowerShell icon and select Run As Administrator).

From the PowerShell prompt, run the following commands to install Filebeat as a Windows service:

PS > cd 'C:\Program Files\Filebeat'
PS C:\Program Files\Filebeat> .\install-service-filebeat.ps1

If script execution is disabled on your system, you need to set the execution policy for the current session to allow the script to run. For example: PowerShell.exe -ExecutionPolicy UnRestricted -File .\install-service-filebeat.ps1.

Other installation options

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Step 2: Connect to Elasticsearch and Kibana

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Connections to Elasticsearch and Kibana are required to set up Filebeat.

Set the connection information in filebeat.yml. To locate this configuration file, see Directory layout.

Specify the cloud.id of your Elasticsearch Service, and set cloud.auth to a user who is authorized to set up Filebeat. For example:

cloud.id: "staging:dXMtZWFzdC0xLmF3cy5mb3VuZC5pbyRjZWM2ZjI2MWE3NGJmMjRjZTMzYmI4ODExYjg0Mjk0ZiRjNmMyY2E2ZDA0MjI0OWFmMGNjN2Q3YTllOTYyNTc0Mw=="
cloud.auth: "filebeat_setup:YOUR_PASSWORD"

This examples shows a hard-coded password, but you should store sensitive values in the secrets keystore.

Set the host and port where Filebeat can find the Elasticsearch installation, and set the username and password of a user who is authorized to set up Filebeat. For example:
```
output.elasticsearch:
  hosts: ["myEShost:9200"]
  username: "filebeat_internal"
  password: "YOUR_PASSWORD" 
```
This examples shows a hard-coded password, but you should store sensitive values in the secrets keystore.

If you plan to use our pre-built Kibana dashboards, configure the Kibana endpoint. Skip this step if Kibana is running on the same host as Elasticsearch.

  setup.kibana:
    host: "mykibanahost:5601" 
    username: "my_kibana_user"  
    password: "{pwd}"

	The hostname and port of the machine where Kibana is running, for example, `mykibanahost:5601`. If you specify a path after the port number, include the scheme and port: `http://mykibanahost:5601/path`.
	The `username` and `password` settings for Kibana are optional. If you don’t specify credentials for Kibana, Filebeat uses the `username` and `password` specified for the Elasticsearch output.
	To use the pre-built Kibana dashboards, this user must be authorized to view dashboards or have the `kibana_admin` built-in role.

To learn more about required roles and privileges, see Grant users access to secured resources.

You can send data to other outputs, such as Logstash, but that requires additional configuration and setup.

Step 3: Enable and configure modules

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Filebeat uses modules to collect and parse log data.

Identify the modules you need to enable. To see a list of available modules, run:
```
filebeat modules list
```
```
filebeat modules list
```
```
./filebeat modules list
```
```
filebeat modules list
```
```
./filebeat modules list
```
```
PS > .\filebeat.exe modules list
```
Can’t find a module for your file type? Skip this section and configure the input manually.

From the installation directory, enable one or more modules. For example, the following command enables the nginx module config:

filebeat modules enable nginx

filebeat modules enable nginx

./filebeat modules enable nginx

filebeat modules enable nginx

./filebeat modules enable nginx

PS > .\filebeat.exe modules enable nginx

In the module config under modules.d, change the module settings to match your environment.

For example, log locations are set based on the OS. If your logs aren’t in default locations, set the paths variable:
```
- module: nginx
  access:
    var.paths: ["/var/log/nginx/access.log*"] 
```

To see the full list of variables for a module, see the documentation under Modules.

To test your configuration file, change to the directory where the Filebeat binary is installed, and run Filebeat in the foreground with the following options specified: ./filebeat test config -e. Make sure your config files are in the path expected by Filebeat (see Directory layout), or use the -c flag to specify the path to the config file.

For more information about configuring Filebeat, also see:

Configure Filebeat
Config file format
filebeat.reference.yml: This reference configuration file shows all non-deprecated options. You’ll find it in the same location as filebeat.yml.

Step 4: Set up assets

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Filebeat comes with predefined assets for parsing, indexing, and visualizing your data. To load these assets:

Make sure the user specified in filebeat.yml is authorized to set up Filebeat.
From the installation directory, run:
```
filebeat setup -e
```
```
filebeat setup -e
```
```
./filebeat setup -e
```
```
filebeat setup -e
```
```
./filebeat setup -e
```
```
PS > .\filebeat.exe setup -e
```
-e is optional and sends output to standard error instead of the configured log output.

This step loads the recommended index template for writing to Elasticsearch and deploys the sample dashboards for visualizing the data in Kibana.

This step does not load the ingest pipelines used to parse log lines. By default, ingest pipelines are set up automatically the first time you run the module and connect to Elasticsearch.

A connection to Elasticsearch (or Elasticsearch Service) is required to set up the initial environment. If you’re using a different output, such as Logstash, see:

Step 5: Start Filebeat

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Before starting Filebeat, modify the user credentials in filebeat.yml and specify a user who is authorized to publish events.

To start Filebeat, run:

sudo service filebeat start

If you use an init.d script to start Filebeat, you can’t specify command line flags (see Command reference). To specify flags, start Filebeat in the foreground.

Also see Filebeat and systemd.

sudo service filebeat start

If you use an init.d script to start Filebeat, you can’t specify command line flags (see Command reference). To specify flags, start Filebeat in the foreground.

Also see Filebeat and systemd.

sudo chown root filebeat.yml 
sudo chown root modules.d/nginx.yml 
sudo ./filebeat -e

You’ll be running Filebeat as root, so you need to change ownership of the configuration file and any configurations enabled in the modules.d directory, or run Filebeat with --strict.perms=false specified. See Config File Ownership and Permissions.

To have launchd start elastic/tap/filebeat and then restart it at login, run:

brew services start elastic/tap/filebeat-full

To run Filebeat in the foreground instead of running it as a background service, run:

sudo chown root /usr/local/etc/filebeat/filebeat.yml 
sudo chown root /usr/local/etc/filebeat/modules.d/nginx.yml 
sudo filebeat -e

sudo chown root filebeat.yml 
sudo chown root modules.d/nginx.yml 
sudo ./filebeat -e

PS C:\Program Files\filebeat> Start-Service filebeat

By default, Windows log files are stored in C:\ProgramData\filebeat\Logs.

Filebeat should begin streaming events to Elasticsearch.

Step 6: Confirm logs are streaming

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Let’s confirm your data is correctly streaming to your cloud instance.

Launch Kibana:
1. Log in to your Elastic Cloud account.
2. Navigate to the Kibana endpoint in your deployment.
Point your browser to http://localhost:5601, replacing localhost with the name of the Kibana host.
Open the main menu, then click Discover.
Select filebeat-* as your index pattern.

Each document in the index that matches the filebeat-* index pattern is displayed. By default, Discover shows data for the last 15 minutes. If you have a time-based index, and no data displays, you might need to increase the time range.

You can now search your log messages, filter your search results, add or remove fields, examine the document contents in either table or JSON format, and view a document in context.

Now let’s have a look at the Logs app.

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