openssl
Verified for current stable LTS
Openssl Command: Generate Self Signed Certificate
Use for generate self signed certificate with Openssl. Exact CLI syntax to generate self signed certificate using Openssl.
When to use this: Use for generate self signed certificate with Openssl.
Command Syntax
openssl req -new -x509 -key <path/to/private.key> -out <path/to/certificate.crt> -days 365openssl req -new -x509 -key <path/to/private.key> -out <path/to/certificate.crt> -days 365Live Command Builder
Final Command
openssl req -new -x509 -key <path/to/private.key> -out <path/to/certificate.crt> -days 365 Command Breakdown
-new- Command Option
- Tool-specific option used by this command invocation.
-x509- Command Option
- Tool-specific option used by this command invocation.
-key- Command Option
- Tool-specific option used by this command invocation.
-out- Command Option
- Tool-specific option used by this command invocation.
-days- Command Option
- Tool-specific option used by this command invocation.
FAQ
Purpose: Exact syntax to generate self signed certificate using Openssl.
Test path: Replace placeholders and run destructive commands in a disposable workspace first.
Flag behavior: Tool version, platform, and shell can change behavior.
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Related Operations
Openssl Command: Check Certificate Details
openssl x509 -in <path/to/certificate.crt> -text -noout Openssl Command: Convert Certificate Format openssl x509 -in <path/to/certificate.crt> -out <path/to/certificate.pem|path/to/certificate.der> -outform <pem|der> Openssl Command: Display Openssl Help openssl help Openssl Command: Display Openssl Version openssl version Openssl Command: Generate Certificate Signing Request openssl req -new -key <path/to/private.key> -out <path/to/request.csr>