System logs record events generated by operating systems, applications, and services. These logs provide critical insight into system behavior, errors, and security incidents. Proper log configuration ensures that relevant events are captured without overwhelming storage resources.
Log configuration includes defining log levels such as informational, warning, error, and debug. Higher verbosity levels provide more detail but consume more storage and processing power. Administrators must balance visibility with performance considerations.
Logs are typically written to files or centralized logging systems. Centralization allows logs from multiple systems to be aggregated, searched, and analyzed from a single interface. Retention policies define how long logs are stored before being archived or deleted.
Well-configured logs support troubleshooting, compliance audits, and forensic investigations. Poor log management can result in missing critical information or excessive storage usage.
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