On Tuesday 28 July 2015 15:38:41 Dennis Wicks wrote: > Greetings! > > I am considering upgrading from Jessie 8.1 to Stretch > (testing) to see if some problems disappear. > > Is there any procedure for backing out the upgrade just in > case things "don't work out"? 1. Take a really good back-up and restore from it. 2. Install Stretch as a dual boot with Jessie. Lisi