cross-platform singularity

pages/docs/install/install-crossplatform.md

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+---
+title: Running Singularity with Vagrant (Windows/Linux/Mac etc)
+sidebar: main_sidebar
+permalink: install-crossplatform
+folder: docs
+---
+
+
+This recipe demonstrates how to run Singularity on your Windows/Linux/Mac etc environment via Vagrant. Mac is not tried due to lack of Mac computer.The idea is to run Singularity on all platforms which Vagrant supports.Provisioning is chosen "ansible_local".Cross-platform method is applicable to Docker container as well. 
+
+## Environment
+
+First, install the following software:
+- install [VirtualBox](https://www.virtualbox.org)
+- install [Vagrant for Windows](https://www.vagrantup.com/downloads.html) or Vagrant for Linux,Mac etc.
+- choose any linux flavor on vagrant cloud or custom vagrant box as base.
+- Vagrantfile configuration
+
+"config.vm.provision "ansible_local" do |ansible|"
+
+
+
+
+Bring up vagrant vmguest
+
+
+```
+vagrant up
+vagrant ssh
+```
+On Vagrant vmguest install ubuntu singularity package.
+
+```bash
+$ sudo apt-get singularity-container
+```
+
+Verify  singularity installation
+
+```
+vagrant@vagrant:~$ which singularity
+/usr/bin/singularity
+vagrant@vagrant:~$ singularity --version
+2.4.5-dist
+```
+