„upgrade-notes-debian.md“ ändern

upgrade-notes-debian.md

@@ -1,8 +1,14 @@
-Dist upgrade from debian 9 straight to debian 10, then directly after that to debian 11.
-Use `apt-get install -o Dpkg::Options::="--force-confold" --force-yes -y`
 
-then `perl imscp-autoinstaller -d -n -v`
+- Make a backup with `/var/www/imscp/engine/backup/imscp-backup-imscp` (see /var/www/imscp/backups)
+- Make a full backup of of your data /var/www/imscp /var/www/virtual /var/mail/virtual 
+- Disable all plugins 
+- Remove every SSL Webhost configuration in Panel
+- ensure your hostname (e.g. my-imscphost) resolves into a valid address on your server
+- Dist upgrade from debian 9 to debian 10, then directly after that to debian 11.
+-- Use `apt-get install -o Dpkg::Options::="--force-confold" --force-yes -y`
+- after successfuly dist-upgrade run `perl imscp-autoinstaller -d -n -v`
+- you should now be up-to-date
 
-then an error comes after removing lock files, but installer says, upgrade was complete
+After these steps i got only an error at the end after the message came that everything was done ok. 
 
 changing vhost (ssl) settings cause a bug where domain/alias status keeps in "tochange" but everything seems to be done