auparse_first_record - Linux
Overview
auparse_first_record is a command for parsing the first record of an audit log file in binary format. It processes the raw byte stream and extracts the initial record, presenting it in a human-readable format. This is useful for analyzing audit logs and quickly obtaining essential information from the initial record.
Syntax
auparse_first_record [OPTIONS] <inputfile>
Options/Flags
| Option | Description | Default |
|—|—|—|
| -t, –timestamp | Print the timestamp of the record | No |
| -n, –nodeid | Print the node ID of the record | No |
| -r, –recordid | Print the record ID of the record | No |
| -u, –user | Print the username associated with the record | No |
| -s, –session | Print the session ID associated with the record | No |
| -e, –event | Print the event type of the record | No |
| -p, –priority | Print the priority level of the record | No |
| -h, –help | Display help information | No |
Examples
Example 1: Parsing the first record of an audit log file:
auparse_first_record audit.log
Example 2: Printing the timestamp, node ID, and event type of the first record:
auparse_first_record -t -n -e audit.log
Common Issues
- Missing input file: Ensure the provided input file exists and has the correct permissions.
- Invalid audit log file: Check if the input file is an audit log file in binary format.
- Incorrect timestamps: The timestamps may need to be adjusted for the current timezone.
Integration
auparse_first_record can be integrated into scripts or pipelines for automated log analysis and extraction. For example, you can combine it with other Linux commands to:
auparse_first_record audit.log | grep "user: root"
Related Commands
ausearchausearchauditd