upgrade the base box to Ubuntu 18.04 [carloszan & fxn]

Author: fxn

README.md

@@ -25,7 +25,7 @@ That's it.
 After the installation has finished, you can access the virtual machine with
 
     host $ vagrant ssh
-    Welcome to Ubuntu 17.10 (GNU/Linux 4.13.0-16-generic x86_64)
+    Welcome to Ubuntu 18.04 LTS (GNU/Linux 4.15.0-20-generic x86_64)
     ...
     vagrant@rails-dev-box:~$
 

Vagrantfile

@@ -1,9 +1,7 @@
 # -*- mode: ruby -*-
 # vi: set ft=ruby :
 Vagrant.configure('2') do |config|
-  # FIXME: When upgrading to a future version of Ubuntu check if the workaround
-  # near the top of bootstrap.sh is still needed. If not, please delete it.
-  config.vm.box      = 'ubuntu/artful64' # 17.10
+  config.vm.box      = 'ubuntu/bionic64' # 18.04
   config.vm.hostname = 'rails-dev-box'
 
   config.vm.network :forwarded_port, guest: 3000, host: 3000

bootstrap.sh

@@ -7,14 +7,6 @@ function install {
     apt-get -y install "$@" >/dev/null 2>&1
 }
 
-# FIXME: This addresses an issue with Ubuntu 17.10 (Artful Aardvark). Should be
-# revisited when the base image gets upgraded.
-#
-# Workaround for https://bugs.launchpad.net/cloud-images/+bug/1726818 without
-# this the root file system size will be about 2GB.
-echo expanding root file system
-sudo resize2fs /dev/sda1
-
 echo adding swap file
 fallocate -l 2G /swapfile
 chmod 600 /swapfile
@@ -32,9 +24,8 @@ 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
 
-# FIXME: Do not upgrade RubyGems, see https://github.com/rails/rails-dev-box/issues/147.
 # echo installing current RubyGems
-# gem update --system -N >/dev/null 2>&1
+gem update --system -N >/dev/null 2>&1
 
 echo installing Bundler
 gem install bundler -N >/dev/null 2>&1