Note: Fix Ruby on Rails Qt Installation

In your rails project when you run bundle command, if you getting below error,

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/ruby extconf.rb qmake:couldn't find a QT installation of '' Command 'qmake_spec linux-gtt' failed

on Ubuntu, you can fix with below command to this error.

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$ sudo apt-get install qt4-dev-tools libqt4-dev libqt4-core libqt4-gui

Then you need to install capybara-webkit gem to your project with,

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$ gem install capybara-webkit

You can search this bug on stackoverflow

That’s all.

I hope your bug is fixed.