https://sourcedigit.com/16778-install-network-diagnostic-tool-on-linux-ubuntu-15-04-ubuntu-14-04/
Install Network Diagnostic Tool on Linux Ubuntu 15.04 & Ubuntu 14.04
Aug 3, 2015 - Resolve TCP/IP connection errors using network diagnostic tool on Linux Ubuntu. Install "Why Can not I Connect?" on Ubuntu 15.04, Ubuntu 14.04 and Ubuntu 14.10.
network diagnostic toollinux ubuntuinstall
https://dataservicesolutions.com/blog/tag/quickbooks-network-diagnostic-tool/
QuickBooks Network Diagnostic Tool -
network diagnostic toolquickbooks