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Category: Instructional
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The USA Green Card Journey (pt.2)
![](https://richard-purves.com/wp-content/uploads/2017/07/sha1-980x980.jpg)
SHA-1 Certificate Warning
![](https://richard-purves.com/wp-content/uploads/2016/09/mac-open-public-internet_1024-980x980.png)
Apple 17.0.0.0/8 Services Redux
![](https://richard-purves.com/wp-content/uploads/2017/07/proxy-980x980.png)
Close Encounters of the Proxy Kind
![](https://richard-purves.com/wp-content/uploads/2017/07/psumac2017logo-980x980.png)
PSUMac Smart Cards
![](https://richard-purves.com/wp-content/uploads/2017/06/us-map-pin.jpg)
The USA Green Card Journey (pt.1)
![](https://richard-purves.com/wp-content/uploads/2017/03/aws-design-980x980.png)
JSS and AWS: Cloud Design for a beginner
![](https://richard-purves.com/wp-content/uploads/2016/06/i2c-smart-card-256-byte-2k-bit.jpg)
Smart Cards on macOS (pt.3)
![](https://richard-purves.com/wp-content/uploads/2017/02/1486212395_featured-1-980x980.jpeg)