A quick reminder how to upgrade a Ruby version for a Rails Application.

Update rbenv

$ cd /home/daniel/.rbenv/plugins/ruby-build && git pull && cd -

Install desired Ruby version

$ rbenv install 2.3.3

Use Ruby version everywhere

$ rbenv global 2.3.3

Change into the application directory, then:

$ rbenv local 2.3.3

This will put the version number in .ruby-version.

Don’t forget to adjust config/deploy.rb.

Install bundler

$ gem install bundler

Install sidekiq

$ gem install sidekiq

Adjust Apache site configuration

If using Phusion Passenger with an Apache server, change the PassengerRuby path to point to the ruby binary in the site configuration:

# /etc/apache2/sites-available/my-ruby-site.conf
PassengerRuby /home/daniel/.rbenv/versions/2.3.3/bin/ruby

Restart passenger

$ passenger-config restart-app

I’ll update this from time to time.

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Mon 12 Dec 2016

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