Rob Garth Mildly Useful Stuff

Using vagrant to build a serverless puppet host for testing

I spent a little bit of time setting up a repo which will build a serverless EL7 puppet test box.

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White noise in headphones running linux on a Thinkpad T470s

This has been bugging me for a while, finally took a look today. Under Linux on a Thinkpad T470s I was experiencing a whitenoise/hissing sound whenever I had headphones plugged in, and no app was actively playing sound. It happened under various kernels and distros, and it looks like it happens on other thinkpad models as well.

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Running Jekyll/gh-pages locally

Running jekyll locally can be great for testing Github pages before pushing to your account, and it’s pretty simple. The following worked on fedora. This assumes you already have a gh-pages repo and you are in the toplevel directory of that repository.

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Resetting a Yubikey

I needed to reset a locked yubikey running in CCID (smartcard) mode, and came accross this Gist. https://gist.github.com/pkirkovsky/c3d703633effbdfcb48c.

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Cert testing from the command line

I am always forgetting openssl command-line options. Just some quick commands for testing the validity of ssl certs from the command line

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