settext/atx switch

howto/new-machine.md

 [[_TOC_]]
 
-How to
-======
+# How to
 
-Burn-in
--------
+## Burn-in
 
 Before we even install the machine, we should do some sort of
 stress-testing or [burn-in](https://en.wikipedia.org/wiki/Burn-in) so that we don't go through the lengthy
@@ -28,8 +26,7 @@ Stressant is still in development and currently has serious
 limitations (e.g. it tests one disk at a time and clunky UI) but
 should be a good way to get started.
 
-Installation
-------------
+## Installation
 
 This document assumes the machine is already installed with a Debian
 operating system. We preferably install stable or, when close to the
@@ -54,8 +51,7 @@ The following sites are deprecated:
  * [howto/KVM](howto/KVM)/libvirt (really at Hetzner) - replaced by Ganeti
  * scaleway - see [ticket 32920](https://bugs.torproject.org/32920)
 
-Post-install configuration
---------------------------
+## Post-install configuration
 
 The post-install configuration mostly takes care of bootstrapping
 Puppet and everything else follows from there. There are, however,