1How to create self signed certificate:
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3openssl genrsa -des3 -passout pass:x -out keypair.key 2048
4openssl rsa -passin pass:x -in keypair.key -out <ip>.key
5openssl req -new -key <ip>.key -out <ip>.csr
6openssl x509 -req -days 365 -in <ip>.csr -signkey <ip>.key -out <ip>.crt
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8e.g.: https://www.rosehosting.com/blog/how-to-generate-a-self-signed-ssl-certificate-on-linux/
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