Fluentd
1.0
1.0
  • Introduction
  • Overview
    • Life of a Fluentd event
    • Support
    • FAQ
    • Logo
    • fluent-package v5 vs td-agent v4
  • Installation
    • Before Installation
    • Install fluent-package
      • RPM Package (Red Hat Linux)
      • DEB Package (Debian/Ubuntu)
      • .dmg Package (macOS)
      • .msi Installer (Windows)
    • Install calyptia-fluentd
      • RPM Package (Red Hat Linux)
      • DEB Package (Debian/Ubuntu)
      • .dmg Package (macOS)
      • .msi Installer (Windows)
    • Install by Ruby Gem
    • Install from Source
    • Post Installation Guide
    • Obsolete Installation
      • Treasure Agent v4 (EOL) Installation
        • Install by RPM Package v4 (Red Hat Linux)
        • Install by DEB Package v4 (Debian/Ubuntu)
        • Install by .dmg Package v4 (macOS)
        • Install by .msi Installer v4 (Windows)
      • Treasure Agent v3 (EOL) Installation
        • Install by RPM Package v3 (Red Hat Linux)
        • Install by DEB Package v3 (Debian/Ubuntu)
        • Install by .dmg Package v3 (macOS)
        • Install by .msi Installer v3 (Windows)
  • Configuration
    • Config File Syntax
    • Config File Syntax (YAML)
    • Routing Examples
    • Config: Common Parameters
    • Config: Parse Section
    • Config: Buffer Section
    • Config: Format Section
    • Config: Extract Section
    • Config: Inject Section
    • Config: Transport Section
    • Config: Storage Section
    • Config: Service Discovery Section
  • Deployment
    • System Configuration
    • Logging
    • Signals
    • RPC
    • High Availability Config
    • Performance Tuning
    • Multi Process Workers
    • Failure Scenarios
    • Plugin Management
    • Trouble Shooting
    • Fluentd UI
    • Linux Capability
    • Command Line Option
    • Source Only Mode
    • Zero-downtime restart
  • Container Deployment
    • Docker Image
    • Docker Logging Driver
    • Docker Compose
    • Kubernetes
  • Monitoring Fluentd
    • Overview
    • Monitoring by Prometheus
    • Monitoring by REST API
  • Input Plugins
    • tail
    • forward
    • udp
    • tcp
    • unix
    • http
    • syslog
    • exec
    • sample
    • monitor_agent
    • windows_eventlog
  • Output Plugins
    • file
    • forward
    • http
    • exec
    • exec_filter
    • secondary_file
    • copy
    • relabel
    • roundrobin
    • stdout
    • null
    • s3
    • kafka
    • elasticsearch
    • opensearch
    • mongo
    • mongo_replset
    • rewrite_tag_filter
    • webhdfs
    • buffer
  • Filter Plugins
    • record_transformer
    • grep
    • parser
    • geoip
    • stdout
  • Parser Plugins
    • regexp
    • apache2
    • apache_error
    • nginx
    • syslog
    • ltsv
    • csv
    • tsv
    • json
    • msgpack
    • multiline
    • none
  • Formatter Plugins
    • out_file
    • json
    • ltsv
    • csv
    • msgpack
    • hash
    • single_value
    • stdout
    • tsv
  • Buffer Plugins
    • memory
    • file
    • file_single
  • Storage Plugins
    • local
  • Service Discovery Plugins
    • static
    • file
    • srv
  • Metrics Plugins
    • local
  • How-to Guides
    • Stream Analytics with Materialize
    • Send Apache Logs to S3
    • Send Apache Logs to Minio
    • Send Apache Logs to Mongodb
    • Send Syslog Data to Graylog
    • Send Syslog Data to InfluxDB
    • Send Syslog Data to Sematext
    • Data Analytics with Treasure Data
    • Data Collection with Hadoop (HDFS)
    • Simple Stream Processing with Fluentd
    • Stream Processing with Norikra
    • Stream Processing with Kinesis
    • Free Alternative To Splunk
    • Email Alerting like Splunk
    • How to Parse Syslog Messages
    • Cloud Data Logging with Raspberry Pi
  • Language Bindings
    • Java
    • Ruby
    • Python
    • Perl
    • PHP
    • Nodejs
    • Scala
  • Plugin Development
    • How to Write Input Plugin
    • How to Write Base Plugin
    • How to Write Buffer Plugin
    • How to Write Filter Plugin
    • How to Write Formatter Plugin
    • How to Write Output Plugin
    • How to Write Parser Plugin
    • How to Write Storage Plugin
    • How to Write Service Discovery Plugin
    • How to Write Tests for Plugin
    • Configuration Parameter Types
    • Upgrade Plugin from v0.12
  • Plugin Helper API
    • Plugin Helper: Child Process
    • Plugin Helper: Compat Parameters
    • Plugin Helper: Event Emitter
    • Plugin Helper: Event Loop
    • Plugin Helper: Extract
    • Plugin Helper: Formatter
    • Plugin Helper: Inject
    • Plugin Helper: Parser
    • Plugin Helper: Record Accessor
    • Plugin Helper: Server
    • Plugin Helper: Socket
    • Plugin Helper: Storage
    • Plugin Helper: Thread
    • Plugin Helper: Timer
    • Plugin Helper: Http Server
    • Plugin Helper: Service Discovery
  • Troubleshooting Guide
  • Appendix
    • Update from v0.12 to v1
    • td-agent v2 vs v3 vs v4
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On this page
  • What is calyptia-fluentd?
  • How to install calyptia-fluentd
  • Step 0: Before Installation
  • Step 1: Install from Apt Repository
  • Step 2: Launch Daemon
  • systemd
  • Step 3: Post Sample Logs via HTTP
  • Next Steps

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  1. Installation
  2. Install calyptia-fluentd

DEB Package (Debian/Ubuntu)

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Last updated 3 months ago

Was this helpful?

This article explains how to install calyptia-fluentd, which is maintained by after its acquisition of Calyptia.

What is calyptia-fluentd?

Fluentd is written in Ruby for flexibility, with performance-sensitive parts in C. However, some users may have difficulty installing and operating a Ruby daemon.

That is why Chronosphere (formerly Calyptia) provides the alternative stable distribution of Fluentd, called calyptia-fluentd.

How to install calyptia-fluentd

Step 0: Before Installation

Please follow the to configure your OS properly.

Step 1: Install from Apt Repository

NOTE: If your OS is not supported, consider 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/calyptia-fluentd.sources and installs the calyptia-fluentd deb package.

For Ubuntu Focal:

# calyptia-fluentd 1
curl -fsSL https://calyptia-fluentd.s3.us-east-2.amazonaws.com/calyptia-fluentd-1-ubuntu-focal.sh | sh

For Ubuntu Bionic:

# calyptia-fluentd 1
curl -fsSL https://calyptia-fluentd.s3.us-east-2.amazonaws.com/calyptia-fluentd-1-ubuntu-bionic.sh | sh

For Ubuntu Xenial:

# calyptia-fluentd 1
curl -fsSL https://calyptia-fluentd.s3.us-east-2.amazonaws.com/calyptia-fluentd-1-ubuntu-xenial.sh | sh

For Debian Buster:

# calyptia-fluentd 1
curl -fsSL https://calyptia-fluentd.s3.us-east-2.amazonaws.com/calyptia-fluentd-1-debian-buster.sh | sh

Step 2: Launch Daemon

systemd

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

$ sudo systemctl start calyptia-fluentd.service
$ sudo systemctl status calyptia-fluentd.service
● calyptia-fluentd.service - calyptia-fluentd: Fluentd based data collector for Calyptia Services
   Loaded: loaded (/lib/systemd/system/calyptia-fluentd.service; enabled; vendor preset: enabled)
   Active: active (running) since Fri 2021-05-28 15:29:45 JST; 1s ago
     Docs: https://docs.fluentd.org/
  Process: 406739 ExecStart=/opt/calyptia-fluentd/bin/fluentd --log $CALYPTIA_FLUENTD_LOG_FILE --daemon /var/run/calyptia-fluentd/calyptia-fluentd.pid $CALYPTIA_FLUENTD_OPTIONS (code=exited, status=0/SUCCESS)
 Main PID: 406762 (fluentd)
    Tasks: 5 (limit: 4915)
   CGroup: /system.slice/calyptia-fluentd.service
           ├─406762 /opt/calyptia-fluentd/bin/ruby /opt/calyptia-fluentd/bin/fluentd --log /var/log/calyptia-fluentd/calyptia-fluentd.log --daemon /var/run/calyptia-fluentd/calyptia-fluentd.pid
           └─406835 /opt/calyptia-fluentd/bin/ruby -Eascii-8bit:ascii-8bit /opt/calyptia-fluentd/bin/fluentd --log /var/log/calyptia-fluentd/calyptia-fluentd.log --daemon /var/run/calyptia-fluentd/calyptia-fluentd.pid --under-supervisor

To customize systemd behavior, put your calyptia-fluentd.service in /lib/systemd/system.

Please make sure your configuration file path is:

/etc/calyptia-fluentd/calyptia-fluentd.conf

Step 3: Post Sample Logs via HTTP

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

You can post sample log records with curl command:

$ curl -X POST -d 'json={"json":"message"}' http://localhost:8888/debug.test
$ sudo tail -n 1 /var/log/calyptia-fluentd/calyptia-fluentd.log
2021-05-28 15:45:17.998214460 +0900 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:

  • Basic Configuration

  • Application Logs

  • Examples

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If this article is incorrect or outdated, or omits critical information, please . is an open-source project under . All components are available under the Apache 2 License.

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