install Ruby 2.5

Author: fxn

bootstrap.sh

@@ -28,9 +28,9 @@ apt-get -y update >/dev/null 2>&1
 
 install 'development tools' build-essential
 
-install Ruby ruby2.4 ruby2.4-dev
-update-alternatives --set ruby /usr/bin/ruby2.4 >/dev/null 2>&1
-update-alternatives --set gem /usr/bin/gem2.4 >/dev/null 2>&1
+install Ruby ruby2.5 ruby2.5-dev
+update-alternatives --set ruby /usr/bin/ruby2.5 >/dev/null 2>&1
+update-alternatives --set gem /usr/bin/gem2.5 >/dev/null 2>&1
 
 echo installing current RubyGems
 gem update --system -N >/dev/null 2>&1