Ubuntu font package fonts-go
You can install these fonts by opening a terminal and executing sudo apt-get install "fonts-go"
See also: installing software on Ubuntu, installing software on debian, and general fonts-go package information.
Go-Bold
Go font family with style Normal/usr/share/fonts/fonts-go/Go-Bold.ttf
Go-Bold-Italic
Go font family with style Italic/usr/share/fonts/fonts-go/Go-Bold-Italic.ttf
Go-Italic
Go font family with style Italic/usr/share/fonts/fonts-go/Go-Italic.ttf
Go-Medium
Go Medium font family with style Normal/usr/share/fonts/fonts-go/Go-Medium.ttf
Go-Medium-Italic
Go Medium font family with style Italic/usr/share/fonts/fonts-go/Go-Medium-Italic.ttf
Go-Mono
Go Mono font family with style Normal/usr/share/fonts/fonts-go/Go-Mono.ttf
Go-Mono-Bold
Go Mono font family with style Normal/usr/share/fonts/fonts-go/Go-Mono-Bold.ttf
Go-Mono-Bold-Italic
Go Mono font family with style Italic/usr/share/fonts/fonts-go/Go-Mono-Bold-Italic.ttf
Go-Mono-Italic
Go Mono font family with style Italic/usr/share/fonts/fonts-go/Go-Mono-Italic.ttf
Go-Regular
Go font family with style Normal/usr/share/fonts/fonts-go/Go-Regular.ttf
Go-Smallcaps
Go Smallcaps font family with style Normal/usr/share/fonts/fonts-go/Go-Smallcaps.ttf
Go-Smallcaps-Italic
Go Smallcaps font family with style Italic/usr/share/fonts/fonts-go/Go-Smallcaps-Italic.ttf