Encrypt files with GNUPG

GnuPG is wonderful and free tool which can help you encrypt your data and communication.

GnuPG is free and is already embedded into some Linux distros. Ubuntu is one of them, and I will use it today. Also, it works on Windows and Mac with appropriate apps installed. I will cover all the basic details for file encryption for your personal use in this guide.

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Openstack – Build of instance aborted: Unable to establish connection to http://controller:9696/v2.0/

The full error when you try to create instance goes something like this – Failed to perform requested operation on instance “IntanceName”, the instance has an error status: Please try again later [Error: Build of instance d1fc1a1a-0322-45f9-9e04-6bbdaf0063b1 aborted: Unable to establish connection to http://controller:9696/v2.0/networks?id=d08d8880-36c1-4c32-b1d7-6381ae91003d: HTTPConnectionPool(host=’controller’, port=9696): Max retries exceeded with url].

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