The Sauce Labs Cookbook

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Front End Performance Testing


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To use the --doctor flag, you would run the same command for starting the Sauce Connect Proxy, including any additional flags related to your specific tunnel (for example, --tunnelidentifier or -x to specify a data center). Please note that when using the --doctor flag, the order of flags matter.

sc -u [Your Sauce Username] -k [Your Sauce Access Key] --doctor


  •  --doctor flag
  • Link to your Sauce Labs test from your Sauce Labs dashboard, showing reproduction of the problem
  • Sauce Connect verbose log, which you can get by adding the -vvv and -l sc.log options to your Sauce Connect Proxy command line:

sc -u [Your Sauce Username] -k [Your Sauce Access Key] -vv -l sc.log

Then, attach the resulting sc.log file to your support request.