How to force htpp to https in linux?

[Makanimu]

How can I force htpp to https in linux for my website?

 

[KGIII]

Is .htaccess an option? If so, see this link:

How to redirect HTTP to HTTPS Using .htaccess

Chrome and Firefox have started showing insecure warnings on sites without SSL certificates [https://www.instantssl.com/ssl.html]. Without SSL, your website will show insecure to the visitors. Therefore, using an SSL-encrypted connection for safety, accessibility or PCI compliance reasons is...

www.freecodecamp.org

(.htaccess is pretty much always available with most of the popular web servers, as far as I know.)

 

[dos2unix]

Setup the SSL certs for port 443.
Disable all traffic to port 80. It's different for different web servers.