NetScaler VPX Express is the free edition of NetScaler (Citrix account and registration for a 1-year NetScaler Express license required).

Citrix Developer - Netscaler HowTo Guides - Common Configuration HowTo guides

How to Troubleshoot Web Interface on NetScaler When the Client Connections are Unresponsive on the agesso.jsp Page
Citrix NetScaler Migration Guide - Release 10
Best Practices for Upgrading NetScaler or Access Gateway Enterprise Edition Appliances
How to Upgrade Software of NetScaler Appliances in High Availability Setup
How to Create a Self-Signed SAN Certificate Using OpenSSL on a NetScaler Appliance
How to Obtain and Activate NetScaler VPX Trial Licenses

Java KeyStore Becomes Corrupt or a Certificate is Missing After Certificate Update
How to Add a SSL Certificate Bundle on the NetScaler Appliance

Exchange for the Working Man - How to Use Managed Availability in Exchange 2013 with your Load Balancer

robinhobo.com - Configure Citrix NetScaler 10.5 including Gateway and Citrix StoreFront 2.5.2

The Citrix Blog - NetScaler 10.1 – Another Landmark Release with 200+ New Features

The Citrix Blog - NetScaler 10 – A Landmark Release with 100s of New Features

Tested on NetScaler 10.5 and 9.3.

ssh-keygen -lf /nsconfig/ssh/ssh_host_rsa_key
ssh-keygen -lf /nsconfig/ssh/ssh_host_dsa_key