Add steps for installing dependencies using Ubuntu 18.04

README.md

@@ -20,6 +20,7 @@ Install Dependencies
 If you're using one of the following platforms, see the linked instructions for that platform:
 
 - [Debian 9.x](dependency_install_steps_by_platform/Debian_9.x.md)
+- [Ubuntu 18.04.x](dependency_install_steps_by_platform/Ubuntu_18.04.x.md)
 - [macOS 10.13.x](dependency_install_steps_by_platform/macOS_10.13.x.md)
 
 

dependency_install_steps_by_platform/Ubuntu_18.04.x.md

@@ -0,0 +1,94 @@
+# Dependency installation steps for Ubuntu 18.04.x LTS (Bionic Beaver)
+
+This document assumes you are starting from a fresh install of Ubuntu in the 18.04.x series.
+
+Most recently tested 2018-04-28 with the following ubuntu release:
+
+```
+$ lsb_release --description
+Description:	Ubuntu 18.04 LTS
+```
+
+
+
+## Install Git, VirtualBox, Ansible, and GnuPG
+
+```
+$ sudo apt-get install git virtualbox ansible gnupg2
+```
+
+
+
+## Install Vagrant 2.0.3 or higher
+
+As of this writing, the vagrant version that Ubuntu 18.04 uses is 2.0.2 so we suggest a later
+release in the 2.0.x series.
+
+```
+$ wget https://releases.hashicorp.com/vagrant/2.0.4/vagrant_2.0.4_x86_64.deb
+...
+$ sudo apt install ./vagrant_2.0.4_x86_64.deb
+...
+$ dpkg --status vagrant
+Package: vagrant
+Status: install ok installed
+...
+$ rm ./vagrant_2.0.4_x86_64.deb
+```
+
+
+
+
+## Versions
+
+Most recently tested 2018-04-28 with the following versions:
+
+
+### Ubuntu
+
+```
+$ lsb_release --description
+Description:	Ubuntu 18.04 LTS
+```
+
+
+### Git
+
+```
+$ git --version
+git version 2.17.0
+```
+
+
+### VirtualBox
+
+```
+$ virtualbox --help
+Oracle VM VirtualBox Manager 5.2.10_Ubuntu
+...
+```
+
+
+### Ansible
+
+```
+$ ansible --version
+ansible 2.5.1
+```
+
+
+### GnuPG
+
+```
+$ gpg2 --version
+gpg (GnuPG) 2.2.4
+...
+```
+
+
+### Vagrant
+
+```
+$ vagrant --version
+Vagrant 2.0.4
+```