Redmine 6.x
$ cd /var/lib/redmine/plugins
$ git clone https://github.com/zsoltrego/closed_notes_guard.git
$ cd ..
$ bundle config set --local without 'development test'
$ bundle install
$ bundle exec rake redmine:plugins RAILS_ENV=production
$ touch tmp/restart.txt- Login with a standard user.
- Create a test ticket and write some notes.
- Close the ticket.
- Check the ticket to see if you can write notes.
- For settings open Admin → Plugins → Closed Notes Guard → Configure.