Would you like to learn how to create a self-signed certificate using OpenSSL? In this tutorial, we are going to show you how to create a self-signed certificate on a computer running Linux.
• Ubuntu 18
• Ubuntu 19
• Ubuntu 20
• Ubuntu 22
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Tutorial Linux - Create a self-signed certificate
Install OpenSSL.
Create a self-signed certificate on Linux.
Enter a password to protect the private key.
Enter the certificate information.
Optionally, create a self-signed certificate without prompting for information.
View the content of the certificate.
Congratulations! You are able to create a self-signed certificate on Linux.
Tutorial OpenSSL - Self-signed certificate commands
Generate a self-signed certificate with multiple alternative names.
Export the private key without the password.
Export the certificate and private key as a PFX file.
Export the public certificate to the CRT format.
On Windows, use Powershell to import this certificate as a trusted root certification authority.
Congratulations! You are able to create a self-signed certificate on Linux.
