How to upgrade Debian Wheezy to Jessie safelyJun 30, 2015, 15:00 (0 Talkback[s])
(Other stories by Till Brehm)
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This tutorial explains how to upgrade your Debian system from Wheezy to Jessie in a few simple steps. Before you start with the upgrade, backup all critical data. Thats especially the config data in the /etc directory and the user data in /home. When you run a server then you should include the databases (MySQL, Postgresql, etc), web and email data in the backup as well.
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