Hacker News on 20 October 2017

• Iceland's attempts to replant its forests
• HolyJit: A New Hope
• Socially Engineering Myself into High Security Facilities
• Mastodon 2.0
• Writing a Bootloader
• Plain emails not only save time but work better (2016)
• Let’s write a simple Kernel (2014)
• What you should know as a founder of a software company
• IPv6 Buddy
• The First PS4 Kernel Exploit: Adieu