Hello @conne914,
Welcome!!
Here’s an example with the CLI:
You’ll want to configure your CLI first. Here’s an example and useful blog:
Here’s how to write line protocol with the 2.0 api and cURL:
You might also find this thread relevant: Move data from Influx V1 to Influx V2 - #2 by Anaisdg
Line protocol requires that the timestamp be in unix timestamp. However, you can use the telegraf file plugin to help you convert data from a variety formats with different types of timestamps and convert it into line protocol telegraf/plugins/inputs/file at master · influxdata/telegraf · GitHub
Finally this resource could also be generally helpful
Hopefully I didn’t bombard you with too much information. Please give some of it a brief look and let me know if I can help you with any aspect in further detail.
Thanks 
