Ssl

Generate CSR

From: https://www.namecheap.com/support/knowledgebase/article.aspx/9446/14/generating-csr-on-apache--opensslmodsslnginx--heroku/

From: https://www.namecheap.com/support/knowledgebase/article.aspx/9446/0/apache-opensslmodsslnginx

openssl req -new -newkey rsa:2048 -nodes -keyout server.key -out server.csr

Note! For Wildcard certificates, the Common Name should be represented with an asterisk in front (e.g. *.example.com).

 SSLEngine on
 SSLCertificateFile /etc/apache2/ssl/static.piousbox.com/static_piousbox_com.crt
 SSLCertificateKeyFile /etc/apache2/ssl/static.piousbox.com/server.key
 SSLCACertificateFile /etc/apache2/ssl/static.piousbox.com/static_piousbox_com.ca-bundle

Don't forget to chmod +x, the user is www-data, verify with https://www.sslshopper.com/ssl-checker.html#hostname=https://wasya.co/

Self-signed certificate

From: https://www.baeldung.com/openssl-self-signed-cert

 openssl x509 -signkey server.key -in server.csr -req -days 365 -out server.crt

Local apache

From: https://medium.freecodecamp.org/how-to-get-https-working-on-your-local-development-environment-in-5-minutes-7af615770eec

openssl genrsa -des3 -out rootCA.key 2048
openssl req -x509 -new -nodes -key rootCA.key -sha256 -days 1024 -out rootCA.pem

Local nginx (or anything)

From: https://certbot.eff.org/instructions?ws=nginx&os=osx

 brew install certbot
 sudo certbot certonly --webroot

generate rsa public private key

openssl genrsa -out privkey.pem 2048
openssl rsa -in private.pem -outform PEM -pubout -out public.pem