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Problem

You have installed GPG, then tried to commit and suddenly you see this error message after it:

error: gpg failed to sign the data
fatal: failed to write commit object

Debug

Run Raspberry 3 in digital signage mode with Chromium Web browser on a TV screen

	/**
	Usage:

	let originalImage = UIImage(named: "cat")
	let tintedImage = originalImage.tintWithColor(UIColor(red: 0.9, green: 0.7, blue: 0.4, alpha: 1.0))

	*/
	extension UIImage {

	func tintWithColor(color:UIColor)->UIImage {