Extract specific Chef environment from a master template

This is the follow-up article for “Merging Chef JSONs into 1 template“. We are now able to merge environments and role files into 1 master template to manage, how are we gonna extract an environment or a role out of that template.
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Solve zsh cursor positioned at the beginning in zsh history lookup using arrow key for Ubuntu

Zsh under Ubuntu has a strange behaviour. When you have typed some commands and use up arrow key to look back, the cursor is always at the beginning of the line. This can be solved very easily.
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