Trusted SSL certificates with Let’s Encrypt and NGINX

letsencrypt.org is the new awesomeness that happened to SSL on the web. Forget over-priced trusted certificates or self-signed certs for your side & pro bono projects. Try trusted SSL in seconds for free instead :). If you choose to use Let’s Encrypt I want to show you what needs to be done on a pretty average Fedora VPS with NGINX server and how to avoid certbot errors like urn:acme:error:unauthorized and urn:acme:error:unknownHost. Continue reading

Specifying parameters encoding by action in Rails

At work I needed to accept a Windows-1250 encoding in URL parameters on some actions in one of our Rails API endpoint. The problem is that Rails will scream at you since everything needs to come as UTF-8. Future! Unfortunately some 3rd party Windows software might be still in the past… at that time I was trying to find a way how to write a middleware or patch Rails’ ActionPack to handle this request and what I found was actually a commit that adds this to Rails in master. Continue reading