Fixing shel usage and standardizing on YAML examples for network io metrics input plugin. Fixes #1829.

Signed-off-by: Eric D. Schabell <[email protected]>

Author: eschabell

pipeline/inputs/network-io-metrics.md

@@ -25,20 +25,36 @@ To monitor network traffic from your system, you can run the plugin from the com
 
 Run Fluent Bit using a command similar to the following:
 
-```bash
-bin/fluent-bit -i netif -p interface=eth0 -o stdout
+```shell
+$ fluent-bit -i netif -p interface=eth0 -o stdout
 ```
 
 Which returns something the following:
 
 ```text
-Fluent Bit v1.x.x
-* Copyright (C) 2019-2020 The Fluent Bit Authors
-* Copyright (C) 2015-2018 Treasure Data
+Fluent Bit v4.0.3
+* Copyright (C) 2015-2025 The Fluent Bit Authors
 * Fluent Bit is a CNCF sub-project under the umbrella of Fluentd
 * https://fluentbit.io
 
-[2017/07/08 23:34:18] [ info] [engine] started
+______ _                  _    ______ _ _             ___  _____
+|  ___| |                | |   | ___ (_) |           /   ||  _  |
+| |_  | |_   _  ___ _ __ | |_  | |_/ /_| |_  __   __/ /| || |/' |
+|  _| | | | | |/ _ \ '_ \| __| | ___ \ | __| \ \ / / /_| ||  /| |
+| |   | | |_| |  __/ | | | |_  | |_/ / | |_   \ V /\___  |\ |_/ /
+\_|   |_|\__,_|\___|_| |_|\__| \____/|_|\__|   \_/     |_(_)___/
+
+
+[2025/07/01 14:44:47] [ info] [fluent bit] version=4.0.3, commit=f5f5f3c17d, pid=1
+[2025/07/01 14:44:47] [ info] [storage] ver=1.5.3, type=memory, sync=normal, checksum=off, max_chunks_up=128
+[2025/07/01 14:44:47] [ info] [simd    ] disabled
+[2025/07/01 14:44:47] [ info] [cmetrics] version=1.0.3
+[2025/07/01 14:44:47] [ info] [ctraces ] version=0.6.6
+[2025/07/01 14:44:47] [ info] [input:mem:mem.0] initializing
+[2025/07/01 14:44:47] [ info] [input:mem:mem.0] storage_strategy='memory' (memory only)
+[2025/07/01 14:44:47] [ info] [sp] stream processor started
+[2025/07/01 14:44:47] [ info] [engine] Shutdown Grace Period=5, Shutdown Input Grace Period=2
+[2025/07/01 14:44:47] [ info] [output:stdout:stdout.0] worker #0 started
 [0] netif.0: [1499524459.001698260, {"eth0.rx.bytes"=>89769869, "eth0.rx.packets"=>73357, "eth0.rx.errors"=>0, "eth0.tx.bytes"=>4256474, "eth0.tx.packets"=>24293, "eth0.tx.errors"=>0}]
 [1] netif.0: [1499524460.002541885, {"eth0.rx.bytes"=>98, "eth0.rx.packets"=>1, "eth0.rx.errors"=>0, "eth0.tx.bytes"=>98, "eth0.tx.packets"=>1, "eth0.tx.errors"=>0}]
 [2] netif.0: [1499524461.001142161, {"eth0.rx.bytes"=>98, "eth0.rx.packets"=>1, "eth0.rx.errors"=>0, "eth0.tx.bytes"=>98, "eth0.tx.packets"=>1, "eth0.tx.errors"=>0}]
@@ -47,25 +63,9 @@ Fluent Bit v1.x.x
 
 ### Configuration file
 
-In your main configuration file append the following `Input` and `Output` sections:
+In your main configuration file append the following:
 
 {% tabs %}
-{% tab title="fluent-bit.conf" %}
-
-```python
-[INPUT]
-    Name          netif
-    Tag           netif
-    Interval_Sec  1
-    Interval_NSec 0
-    Interface     eth0
-[OUTPUT]
-    Name   stdout
-    Match  *
-```
-
-{% endtab %}
-
 {% tab title="fluent-bit.yaml" %}
 
 ```yaml
@@ -76,14 +76,31 @@ pipeline:
           interval_sec: 1
           interval_nsec: 0
           interface: eth0
+          
     outputs:
         - name: stdout
           match: '*'
 ```
 
+{% endtab %}
+{% tab title="fluent-bit.conf" %}
+
+```text
+[INPUT]
+    Name          netif
+    Tag           netif
+    Interval_Sec  1
+    Interval_NSec 0
+    Interface     eth0
+
+[OUTPUT]
+    Name   stdout
+    Match  *
+```
+
 {% endtab %}
 {% endtabs %}
 
 Which calculates using the formula: `Total interval (sec) = Interval_Sec + (Interval_Nsec / 1000000000)`.
 
-For example: `1.5s = 1s + 500000000ns`
+For example: `1.5s = 1s + 500000000ns`