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How to Resolve "Error Installing mysql2: Failed to Build Gem Native Extension"?
Encountering the "Error installing mysql2: ERROR: Failed to build gem native extension" while installing the mysql2 gem for Rails can be frustrating. Luckily, there are OS-specific solutions to fix this problem.
Ubuntu/Debian:
sudo apt-get install libmysql-ruby libmysqlclient-dev
Red Hat/CentOS:
sudo yum install mysql-devel
Mac OS X with Homebrew:
brew install mysql
Once these commands are executed, the native extension for the mysql2 gem should build successfully, allowing you to proceed with your Rails project.
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