Using Rackspace DNSaaS with curl (part 1)

With the release of Rackspace DNSaaS (blog post here), I thought I would put together some examples of using curl with the service. With this release, you now have programmatic access to DNS via the API where you can set TTLs, create and delete various record types, and create and delete domains.
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Edge Purge Content from Rackspace Cloud Files via curl

When the Rackspace Cloud Files product received Edge Purge functionality via the API, I didn’t give it much thought as I didn’t use the CDN functionality for any of my personal projects. That changed recently and I started doing some work with the CDN (powered by Akamai). All was fine until I realized I had set the TTL for the objects too high for my testing and wasn’t receiving the right content. Below you’ll find the appropriate methods for doing an edge purge of an object and container via curl using the API.
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Putting subject & from in mail from command line

I couldn’t figure out how to send an email with both the subject and from set from the command line.

  1. mail -s "my subject" example@foo.bar

worked with mail but would only set the subject.

  1. sendmail -f "sender@foo.bar" receiver@foo.bar

worked with sendmail but would only set the “from”. With a little help from Google I put this together:
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