How to say "Hello world" for everyone

Let's try to create the simplest page, like this

  1. Log into the system
  2. Open Knowledge link in the top menu
  3. Press "Create" button
  4. Add "Hello world!" as name of the article and in the source text area
  5. Press "Save" button
  6. Open Security tab and add permission for Everyone
  7. Type id of created article in the url after '/arina/show/' and press Enter
  8. That's all! You just created an article and published it for everyone in the Internet