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Editorial Team
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Asked: 2026-05-16T18:50:10+00:00

I am having some problems when trying to install mysql2 gem for Rails. When

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I am having some problems when trying to install mysql2 gem for Rails. When I try to install it by running bundle install or gem install mysql2 it gives me the following error:

Error installing mysql2: ERROR: Failed to build gem native extension.

How can I fix this and successfully install mysql2?

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1 Answer

  1. Editorial Team

    On Ubuntu/Debian and other distributions using aptitude:

    sudo apt-get install libmysql-ruby libmysqlclient-dev

    Package libmysql-ruby has been phased out and replaced by ruby-mysql. This is where I found the solution.

    If the above command doesn’t work because libmysql-ruby cannot be found, the following should be sufficient:

    sudo apt-get install libmysqlclient-dev

    On Red Hat/CentOS and other distributions using yum:

    sudo yum install mysql-devel

    On Mac OS X with Homebrew:

    brew install mysql
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