openssl req -x509 -nodes -days 365 -newkey rsa:2048 -keyout cert_dev.key -out cert_dev.crt
And fill fields.
Common Name (
CN) should be the domain you want to use.
This will create
reqmeans we want to use
X.509certificate signing request (
-x509means further modify of the previous subcommand by telling the utility that we want to make a self-signed certificate instead of generating a certificate signing request, as would normally happen.
Use in Nginx config:
listen 443 ssl; server_name your_domain.com; ssl_certificate path_to/cert_dev.crt; ssl_certificate_key path_to/cert_dev.key;
another way to generate
mkdir -p folder openssl genrsa -out folder/site.key 2048 openssl req -new -key folder/site.key -out folder/site.csr openssl x509 -req -days 1000 -in folder/site.csr -signkey folder/site.key -out folder/site.crt