DEB Package (Debian/Ubuntu)

This article explains how to install stable versions of fluent-package deb packages, the stable Fluentd distribution packages maintained by Fluentd Project.

What is fluent-package?

Please see fluent-package-v5-vs-td-agent.

How to install fluent-package

NOTE:

The following are deprecated td-agent (EOL) information:

Step 0: Before Installation

Please follow the Pre-installation Guide to configure your OS properly.

Step 1: Install from Apt Repository

NOTE: If your OS is not supported, consider gem installation instead.

A shell script is provided to automate the installation process for each version. The shell script registers a new apt repository at /etc/apt/sources.list.d/fluent.sources (or /etc/apt/sources.list.d/fluent-lts.sources) and installs the fluent-package deb package.

For Ubuntu Noble:

fluent-package 6 (LTS)

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-ubuntu-noble-fluent-package6-lts.sh | sh

fluent-package 6

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-ubuntu-noble-fluent-package6.sh | sh

fluent-package 5 (LTS)

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-ubuntu-noble-fluent-package5-lts.sh | sh

fluent-package 5

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-ubuntu-noble-fluent-package5.sh | sh

For Ubuntu Jammy:

fluent-package 6 (LTS)

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-ubuntu-jammy-fluent-package6-lts.sh | sh

fluent-package 6

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-ubuntu-jammy-fluent-package6.sh | sh

fluent-package 5 (LTS)

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-ubuntu-jammy-fluent-package5-lts.sh | sh

fluent-package 5

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-ubuntu-jammy-fluent-package5.sh | sh

For Ubuntu Focal:

fluent-package v6 will not be shipped for Ubuntu Focal.

fluent-package 5 (LTS)

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-ubuntu-focal-fluent-package5-lts.sh | sh

fluent-package 5

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-ubuntu-focal-fluent-package5.sh | sh

For Debian Trixie:

fluent-package 6

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-debian-trixie-fluent-package6-lts.sh | sh

fluent-package 6

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-debian-trixie-fluent-package6.sh | sh

For Debian Bookworm:

fluent-package 6 (LTS)

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-debian-bookworm-fluent-package6-lts.sh | sh

fluent-package 6

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-debian-bookworm-fluent-package6.sh | sh

fluent-package 5 (LTS)

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-debian-bookworm-fluent-package5-lts.sh | sh

fluent-package 5

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-debian-bookworm-fluent-package5.sh | sh

For Debian Bullseye:

fluent-package v6 will not be shipped for Debian Bullseye.

fluent-package 5 (LTS)

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-debian-bullseye-fluent-package5-lts.sh | sh

fluent-package 5

curl -fsSL https://fluentd.cdn.cncf.io/sh/install-debian-bullseye-fluent-package5.sh | sh

Step 2: Launch Daemon

systemd

Use /lib/systemd/system/fluentd script to start, stop, or restart the agent:

$ sudo systemctl start fluentd.service
$ sudo systemctl status fluentd.service
 sudo systemctl status fluentd
● fluentd.service - fluentd: All in one package of Fluentd
     Loaded: loaded (/lib/systemd/system/fluentd.service; enabled; vendor preset: enabled)
     Active: active (running) since Wed 2023-08-16 08:18:22 UTC; 18s ago
       Docs: https://docs.fluentd.org/
    Process: 494 ExecStart=/opt/fluent/bin/fluentd --log $FLUENT_PACKAGE_LOG_FILE --daemon /var/run/fluent/fluentd.pid $FLUENT_PACKAGE_OPTI>
   Main PID: 826 (fluentd)
      Tasks: 9 (limit: 4660)
     Memory: 95.4M
        CPU: 731ms
     CGroup: /system.slice/fluentd.service
             ├─826 /opt/fluent/bin/ruby /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run/fluent/fluentd.pid
             └─833 /opt/fluent/bin/ruby -Eascii-8bit:ascii-8bit /opt/fluent/bin/fluentd --log /var/log/fluent/fluentd.log --daemon /var/run>

To customize systemd behavior, put your fluentd.service in /etc/systemd/system.

NOTE: In fluent-package v5, path is different. /opt/fluent/bin instead of /opt/td-agent/bin

Step 3: Post Sample Logs via HTTP

The default configuration (/etc/fluent/fluentd.conf) is to receive logs at an HTTP endpoint and route them to stdout. For fluent-package logs, see /var/log/fluent/fluentd.log.

You can post sample log records with curl command:

$ curl -X POST -d 'json={"json":"message"}' http://localhost:8888/debug.test
$ tail -n 1 /var/log/fluent/fluentd.log
2018-01-01 17:51:47 -0700 debug.test: {"json":"message"}

Next Steps

You are now ready to collect real logs with Fluentd. Refer to the following tutorials on how to collect data from various sources:

There are some commercial supports for Fluentd, see Enterprise Services. If you use Fluentd on production, Let's share your use-case/testimonial on Testimonials page. Please consider to feedback via GitHub.

If this article is incorrect or outdated, or omits critical information, please let us know. Fluentd is an open-source project under Cloud Native Computing Foundation (CNCF). All components are available under the Apache 2 License.

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