Copy-ready commandopenssl x509
openssl x509 -in cert.pem -noout -textRequirements and permissions
- Requirements
- Linux with the referenced utility installed
- Permissions
- Use sudo or root only when required
- Last reviewed
- 2026-07-31
Examples
Basic example
Display certificate details.
openssl x509 -in cert.pem -noout -textCommon errors
Command not found
Confirm Linux with the referenced utility installed is installed and available in your current shell.