How to Create a Self Signed TLS Certificate in Linux

Here is a quick way to create a self signed certificate in Linux.

Run the following command. Fill out the required info.

openssl req -x509 -sha256 -nodes -days 3652 -newkey rsa:4096 -keyout /etc/pki/tls/private/localhost.key -out /etc/pki/tls/certs/localhost.crt

chmod 400 /etc/pki/tls/private/localhost.key

Now in your Apache or Nginx files, specify the path to the Key and the Certificate.

Note that if you’ll need to add the

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