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rsyslog

Collecting log data with rsyslog.

Recording of events, messages, and activities generated by various components within a system gives you visibility and real data that can be used to trouble shoot and test.

rsyslog operates on a client-server model, it functions as both a client and a server to facilitate the transmission of log messages between systems.

  • Input Modules - Responsible for collecting log messages from various sources, such as local files, system logs, or remote devices.

  • Message Modification - Modify log messages according to specific requirements.

  • Output Modules - Forward processed log messages to their designated destinations, including local files, databases, or remote servers.

  • Rules Configuration - Define rules and policies for processing, filtering, and forwarding log messages based on predefined criteria.

rsyslog 🌪️ flow

Collecting Logs > Processing Logs > Forwarding Logs > Reliability & Security

Collecting Logs - Log messages are collected from different sources, either locally or remotely, using input modules configured within rsyslog.

Processing Logs - Upon receipt, log messages undergo processing, which may include filtering based on severity, content, or source, as well as message modification and formatting.

Forwarding Logs - Processed log messages are then forwarded to their designated destinations, such as local storage, databases, or remote servers, based on configured rules and output modules.

Reliability & Security - rsyslog ensures the reliable and secure transmission of log messages using protocols like UDP, TCP, or TLS, as well as encryption and authentication mechanisms.