How to upgrade a server? (In this case direwolf 1.20 1-8-0 to 1-9-1)

Buggy87

New Member
Jul 29, 2019
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Hello my last server experience is 7 years old. Now you have the good install script. But how can i upgrade my 1.8.0 server to 1.9.1 (direwolf 1.20)?

Thanks for help