auparse_next_event - Linux
Overview
auparse_next_event parses the next event from an audit trail file. This command is primarily used to analyze logs generated by the Linux Audit Framework. It provides a structured representation of events, making it easier to extract useful information.
Syntax
auparse_next_event [options] [audit_trail_file] [offset]
Options/Flags
| Option | Description | Default |
|—|—|—|
| -d | Dump the serialized audit message in hex format | False |
| -e | Print event fields in text format | False |
| -f | Force output in text format | False |
| -h | Print help and exit | N/A |
| -j | Print event fields in JSON format | False |
| -s | Print event fields in short text format | False |
Examples
Basic Usage
Extract events from an audit trail file:
auparse_next_event -e audit.log
Dump events in hexadecimal format:
auparse_next_event -d audit.log
Advanced Usage
Parse a specific event from an offset:
auparse_next_event -e audit.log 1000
Extract events in JSON format:
auparse_next_event -j audit.log | jq '.'
Common Issues
Empty Output
If auparse_next_event produces no output, the audit trail file may be empty or corrupted. Verify the file’s integrity.
Invalid Format
If auparse_next_event reports an invalid format, the audit trail file may not be in a recognizable format. Check the file’s source and ensure it was generated by the Linux Audit Framework.
Integration
auparse_next_event can be used in conjunction with other commands for advanced analysis tasks:
- grep: Filter events based on specific criteria
- awk: Extract specific fields from events
- jq: Parse JSON-formatted events
Related Commands
- ausearch: Search for events in audit trail files
- auditctl: Control the Linux Audit Framework
- auditd man page
- Linux Audit Framework documentation