Update Ruby With Rbenv
How to Update Ruby Versions on Linux with rbenv#
Update ruby-build as an rbenv plugin#
cd ~/.rbenv/plugins/ruby-build
git pull
Find Available versions#
rbenv install --list
Install version#
rbenv install 2.1.5
Set the ruby version to use globally#
rbenv global 2.1.5
Check ruby version#
ruby -v
Note: You need to Reinstall bundler for each version of Ruby you use#
Errors:#
./libffi-3.2.1/.libs/libffi.a: could not read symbols: Bad value
Solution: Install libffi-dev#
sudo apt-get install libffi-dev
Sources: makandracards digitalocean