audit_getloginuid - Linux
Overview
audit_getloginuid is a powerful Linux command that provides the login user ID (UID) of the user who initiated an auditable event. It’s essential for comprehensive audit logging and forensic investigations within the Linux environment.
Syntax
audit_getloginuid [OPTIONS]
Options/Flags
| Option | Description | Default |
|————|———————————————————————————————————|———|
| -a | Output newlines after each UID | no |
| -c | Only output UIDs that are unique | no |
| -F file | Read UIDs from file | stdin |
| -t | Print the time at which each UID was recorded | no |
| -T fmt | Use the specified timestamp format | ——– |
| -V | Print version information and exit | no |
| -h | Print help information and exit | no |
Examples
1. Output all UIDs
audit_getloginuid
2. Output unique UIDs only
audit_getloginuid -c
3. Output UIDs with timestamps
audit_getloginuid -t
4. Output UIDs from a file
audit_getloginuid -F /path/to/file.txt
Common Issues
- Ensure that the audit daemon is running before using audit_getloginuid.
- Verify that the file specified with -F exists and has read permissions.
- Correctly format timestamps when using -T. Refer to strptime(3) for details.
Integration
audit_getloginuid can be integrated with other Linux commands for advanced analysis:
audit_getloginuid | grep <pattern>
audit_getloginuid | sort | uniq