mysql2安装失败in ubuntu
> gem install mysql2
Building native extensions. This could take a while…
ERROR: Error installing mysql2:
ERROR: Failed to build gem native extension.
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使用gem 安装 mysql2前，需要先安装 libmysqlclient-dev ：
>sudo apt-get install libmysqlclient-dev
>gem install mysql2
Just try！
FromLehazi
