Hacker News on 18 June 2017

• Georgia Tech's free math textbook collective
• Your own company? You can do it (2011)
• Debian 9 Stretch released
• Stop Buying Things and Start Borrowing Them
• If companies interviewed translators the way they interview coders
• Ask HN: What do you want to see in Debian 10 (“buster”)?
• So long, farewell and goodbye
• Dedicated to Ian Murdock
• How is Ruby different in Japan?
• Things to know before using AWS’s Elasticsearch Service