How to add a self-signed certificate to trusted on Ubuntu?

Question

ubuntu

There is an internal site. The certificate for accessing it via https is self-signed.
How to add it to trusted? To make the line in the browser green? :)
Everything is simple on Windows, but how to do it on ubuntu?

Answer 1

It's the same with Ubuntu when it comes to Firefox. For Google Chrome, you will have to do a few gestures:
prophet.ru/2010/11/ssl-chrome-ubuntu

Answer 2

https://help.ubuntu.com/lts/serverguide/certificat...

Answer 3

Yuri Chudnovsky Aleksey Skobkin
tried both options - something doesn't work.
the method with import-cert.sh did not work - swears:
what certificates did he take:
1) downloaded the crt file from the web server, which is registered as a certificate for access via ssl
2) exported the certificate from the browser (view certificate - export - saved in the format pem with crt extension)
in fact the certificate is not self-signed, but wosign
also tried it like this:
www.voip-lab.ru/ustanovka-kornevyx-sertifikatov-v-...