SOLDIERX.COM Nobody Can Stop Information Insemination

Excerpt from site:

"The most common use of the Olive platform is for creative and UNIX-competent hackers to learn the JUNOS CLI on a low-cost platform. It is capable of forwarding a small amount of traffic, but does not support many of the features found on real Juniper routers. Essentially the forwarding on an Olive is the same as routing traffic via your fxp0 or em0 management interface on a real Routing Engine."

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While not a Juniper FW, the above pretty much sums it up, there are some prebuilt VM's existing for folks interested in JUNOS CLI without additional hardware somewhere on the internet

There is no support. Juniper says it doesn't exist. See page for more info.

--Said all OS's since you can vm it.