Debian – How to upgrade to Debian 9
In this article, we will show you how to upgrade from Debian 7 (wheezy) to Debian 9 (stretch) 1. Debian code name First, understand the Debian code name, read this Debian releases Debian 9 (stretch) Debian 8 (jessie) Debian 7 (wheezy) Debian 6 (squeeze) P.S On Debian 7, first upgrade to Debian 8, then Debian …