This script generates self-signed SSL certificates for domains.

Usage

1. Download and run it.
2. Enter the domain name that needs to be signed (wildcards are supported).
3. Press Enter key and done!

curl -O "https://raw.githubusercontent.com/gnup/self-signed-ssl/main/self-ssl.sh" && bash self-ssl.sh

List of files after running

.
├── example.com.crt
├── example.com.csr
├── example.com.key
├── rootCA.crt
├── rootCA.key
├── rootCA.srl
└── self-ssl.sh

Tips：

1. The OpenSSL dependency is required.
2. By default, the domain certificate is valid for 365 days and the CA certificate is valid for 1024 days. You can modify these settings in the self-ssl.sh file.

Example

1. Install the domain certificates example.com.srt, example.com.key into the server (e.g. Nginx).
2. Install rootCA.crt in your browser or OS.
3. Connect again https://example.com/ warning will disappear.

About

Source page: https://gist.github.com/fntlnz/cf14feb5a46b2eda428e000157447309