How to upgrade Debian 8 (Jessie) to 9 (Stretch) safelyJan 22, 2018, 19:00 (0 Talkback[s])
(Other stories by Till Brehm)
This tutorial shows you how to upgrade your Debian system from Debian Jessie (8) to Debian Stretch (9) in a few simple steps. It also shows useful commands to test if the server is upgradable and how to backup data before you perform the update.
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