For newer Ubuntu versions we currently need to install the patch level version 1.8.7-p375, otherwise the dev dependencies from openssl will cause the installation to fail.

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For a project that specifies the Ruby version 1.8.7 in the .ruby-version the rbenv autoswitch will not work. You have several options how you can solve this problem:

• Install rbenv-aliases Show archive.org snapshot , which will alias your Ruby 1.8.7-p375 to 1.8.7 with rbenv alias 1.8.7 1.8.7-p375 (recommended)
• Use rbenv shell 1.8.7-p375, but don't forget to say rbenv shell --unset after you're finished with the project
• Change the Ruby version in the .ruby-version to 1.8.7-p375