Fluent-bit Kernel Logs Plugin

How to Integrate Fluent-bit Kernel Logs Plugin with Apica Ascent

1. Introduction

This guide explains how to send Kernel Logs to Apica Ascent with Fluent-bit, and how to view them.

2. Configure the Kernel Logs Plugin in Fluent-bit

Update your Fluent-bit.conf with an input and filter for the Kernel Logs Plugin:

[INPUT]
    Name kmsg
    Tag  kernel

[FILTER]
    Name          modify
    Match         kernel
    Add namespace Fluent-bit
    Add app_name  Kernel_Logs

Restart Fluent-bit with systemctl restart fluent-bit and check the status with systemctl status fluent-bit to verify that it’s running correctly.

Helpful links:

Official Plugin documentation.

Set up Fluent-bit for Apica Ascent.

3. Verify Logs in Apica Ascent

1. Log in to Apica Ascent

2. Navigate to Explore → Logs & Insights

3. Look for the namespace and application name specified in the config file Example:

4. Example logs

Message:

{"app_name":"Kernel_Logs","date":1765459972.04074,"msg":"systemd-journald[448]: Failed to open system journal: No space left on device","namespace":"Fluent-bit","priority":4,"sec":170736,"sequence":3239959,"usec":40740}

StructuredData :

_size: 219
date: 1765459972.04074
msg: systemd-journald[448]: Failed to open system journal: No space left on device
sec: 170736
sequence: 3239959
usec: 40740

5. Troubleshooting

Fluent-bit Troubleshooting