https://www.juniper.net/documentation/en_US/vmx17.4/topics/concept/vmx-architecture.html
cd /var/tmp/
wget "https://cdn.juniper.net/software/vmx/17.3R1.10/vm x-bundle-17.3R1.10.tgz?SM_USER=jkriker&__gda__=1515493714_7a8ffdsfsadfsadf" -O vmx-bundle-17.3R1.10.tgz
...
Edit the config/vmx.conf
#Configuration on the host side - management interface, VM images etc.
...