Installation

gem install fluentd Install Fluentd using Ruby Gems td-agent-gem install Install plugins in td-agent (enterprise version) fluent-gem install Install plugins in OSS version

Configuration

fluentd -c /path/to/config.conf Start Fluentd with a specific configuration file fluentd --dry-run -c /path/to/config.conf Check configuration file syntax without starting fluentd -s /path/to/config.conf Show configuration file after parsing

Service Management

systemctl start td-agent Start the td-agent service systemctl stop td-agent Stop the td-agent service systemctl restart td-agent Restart the td-agent service systemctl status td-agent Check the status of td-agent service

Logging and Debugging

tail -f /var/log/td-agent/td-agent.log View live td-agent logs fluentd -v Display Fluentd version fluentd -vv Display verbose debug information

Plugin Management

fluent-gem list List all installed Fluentd plugins fluent-gem install fluent-plugin- Install a specific plugin fluent-gem uninstall fluent-plugin- Remove a specific plugin

Testing

curl -X POST -d 'json={"message":"test"}' http://localhost:8888/ Send a test message to Fluentd HTTP input echo '{"message":"test"}' | fluent-cat Send a test message using fluent-cat command