Ubuntu 20.04 - Easy Install - Fails

Yes, the page of manual sequence is followed along with below links, for manual installation steps for erpnext.

  1. The Hitchhiker’s Guide to Installing Frappe on Linux
  2. Frappe framework installation steps (suggested by @Mohammad_Ahmad_Zulfi )
  3. setting-up-erpnext-in-mac-os
  4. ERPNext v12 manual install (suggested by @trentmu)
  5. How To Install ERPNext ERP System on Ubuntu 20.04/18.04