Preparation

1. Download new code from https://www.citrix.com/downloads
2. Copy the new code to /var/nsinstall on both Citrix ADC nodes
3. On each Citrix ADC node, perform the following steps:
   1. shell
   2. cd /var/nsinstall
   3. mkdir build-<version>
   4. tar xvf build-<version>.tgz -C build-<version>