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Added YAML examples to the networking docs. Fixes #1744. #1745

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Jun 17, 2025
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Added YAML examples to the networking docs. Fixes #1744. #1745

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38 changes: 36 additions & 2 deletions administration/networking.md
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Original file line number Diff line number Diff line change
Expand Up @@ -95,7 +95,38 @@ that rely on networking I/O:
This example sends five random messages through a TCP output connection. The remote
side uses the `nc` (netcat) utility to see the data.

Put the following configuration snippet in a file called `fluent-bit.conf`:
Use the following configuration snippet of your choice in a corresponding file named `fluent-bit.yaml` or `fluent-bit.conf`:

{% tabs %}
{% tab title="fluent-bit.yaml" %}

```yaml
service:
flush: 1
log_level: info

pipeline:
inputs:
- name: random
samples: 5

outputs:
- name: tcp
match: '*'
host: 127.0.0.1
port: 9090
format: json_lines
# Networking Setup
net.dns.mode: TCP
net.connect_timeout: 5
net.source_address: 127.0.0.1
net.keepalive: on
net.keepalive_idle_timeout: 10
```

{% endtab %}

{% tab title="fluent-bit.conf" %}

```text
[SERVICE]
Expand All @@ -120,6 +151,9 @@ Put the following configuration snippet in a file called `fluent-bit.conf`:
net.keepalive_idle_timeout 10
```

{% endtab %}
{% endtabs %}

In another terminal, start `nc` and make it listen for messages on TCP port 9090:

```text
Expand All @@ -142,4 +176,4 @@ If the `net.keepalive` option isn't enabled, Fluent Bit closes the TCP connectio
and netcat quits.

After the five records arrive, the connection idles. After 10 seconds, the connection
closes due to `net.keepalive_idle_timeout`.
closes due to `net.keepalive_idle_timeout`.