Your hardware malfunctioned, server got hacked, or Redmine does not work after upgrade, and of course, backup is unavailable for some reason. System failure does not necessarily mean that you have lost all your Redmine data and files.
Prepare a new system with a blank Redmine installed or hard drive space to save Redmine data, which will be used after reinstallation.
Recovering from system failure should not be too hard considering that you can still access the hard drive on which Redmine data is stored. The steps to recover from failure would be, as follows:
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