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Use $() for command substitution instead of backticks/quotes.
One of the example was using quotes instead of backticks. Backticks are the "older" way of doing things, which has a number of disadvantes: http://mywiki.wooledge.org/BashFAQ/082 Here I'm more worried about readability as depending on font and "smart" editor helping on the web, many people may confuse ` with ', it could end up modifying formatting on makrdown powered website... etc...
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@@ -18,7 +18,7 @@ implementations in other web servers or languages.
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1. generate an API token:
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export JUPYTERHUB_API_TOKEN=`openssl rand -hex 32`
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export JUPYTERHUB_API_TOKEN=$(openssl rand -hex 32)
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2. launch a version of the the whoami service.
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For `whoami-oauth`:
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