How to fix \"mysql2 gem installation failed without errors\" in Ubuntu?

Trouble Installing the Ruby Gem MySQL2?

Issue: "When I try to install the mysql2 gem, it fails with no apparent errors. Can someone guide me on how to resolve this and successfully install mysql2?"

Answer:

For Ubuntu:

1. Install MySQL Development Headers: sudo apt-get install libmysqlclient-dev
2. Specify MySQL Directory: sudo gem install mysql2 -- --with-mysql-dir=/etc/mysql/

Procedure:

Execute the above commands in sequence. The first command installs the MySQL development headers. The second command specifies the MySQL directory during the gem installation process.

Successful Installation:

Once installed, you should see a similar output:

Successfully installed mysql2-0.2.6
1 gem installed
[...]

By following these steps, you can successfully install the mysql2 gem without encountering errors.

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