Issue in standalone dev environment about networkml HOT 7 CLOSED

@cglewis done #561

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@jseparovic that's a bug with running it in python3.6. Updating to python3.7 will fix this issue. However, it's something we should handle, so I'll keep this open and work on a quick patch. Will update here when it's ready.

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@jseparovic PR #560 addresses this (thanks @anarkiwi !) I’ll merge it in when the tests finish. Feel free to reopen this if the problem persists with these changes.

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@cglewis thanks for the fast response. Just on the data pre-processing for training, is there a specific utility from the Poseidon code base I can look at to understand how to transform a full pcap file into the processed pcap file required for training?

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@cglewis Just noticed the Makefile dev target is pointing to 3.6, should this be 3.7 ?
https://github.com/CyberReboot/NetworkML/blob/master/Makefile#L93

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For cutting up a pcap for training that captured from more than one host, the easiest way is it to use something like `tshark -r input.pcap -w output.pcap -Y "eth.addr == " (replacing with the MAC address of the device in your PCAP you want to train with.

Then name the output.pcap file to something like: DevWorkstation-uniquename-Wed2350-n00.pcap where DevWorkstation is the label (https://github.com/CyberReboot/NetworkML/blob/master/networkml/configs/label_assignments.json) of that device you want to train and the rest of the parts of the filename don't really matter, but let you keep track of different devices with the same role, date/time, and option to dedup overlap.

As for the Makefile, yes, you're right - would you be open to making a PR for that? Thanks.

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@cglewis needed to also update posml-dev.yml as conda was taking the versions from there even after setting env create python=3.7

Here's a PR for the change #562

(posml-dev) [root@d2 NetworkML]# python -V
Python 3.7.6
(posml-dev) [root@d2 NetworkML]# pip -V
pip 20.0.2 from /root/anaconda3/envs/posml-dev/lib/python3.7/site-packages/pip (python 3.7)

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