Every time if people going to a web site and download installation image or update their operation system most of Linux users don’t thing about information security. Linux is more secure than OS X and Windows by design, but absolute security is a myth. Yes, some people can store their data high in the Himalayas, but not all can do it. Few of the most popular providers have the big security teams and many users live in countries with censorship like China, Syria, North Korea, Russia, Cuba.
So, can I be sure that web site of my lovely Linux Distribution is real and hackers doesn’t replace it with infected software? Can I get a backdoor in my operating system from installed updates? No, but only with these conditions:
Update 05.12.2015: Let’s Encrypt without ssh and renew/revoke instructions
Today the SSL certificate from the top SSL providers costs ~$50-100 – big money for non-commercial websites and bloggers. But some peoples can change it just now. In this article I try to describe a practical guide for getting a free as a beer certificate for your blog, website or e-mail. There are two ways: