In VBox settings configuration:
Folder path: C:\VirtualBoxSharedFolder
Folder name: shared

https://forums.virtualbox.org/viewtopic.php?f=3&t=15868

In /etc/rc.local

sudo gedit /etc/rc.local
sudo mount -t vboxsf -o rw,uid=1000,gid=1000 shared /home/alfredo/projects

1. Clone the machine

2. Inside vm folder, eg UbuntuDev1, change hd size to 12GB:

C:\VirtualBox VM\UbuntuDev2>"c:\Program Files\Oracle\VirtualBox\vboxmanage.exe" modifyhd "UbuntuDev2-disk1.vdi" --resize 12288

3. Start the machine

4. Extended and swap partitions must be eliminated to make free space be continuous to primary partition. Swap must be “Swapoff”

5. Increase partition size with “GParted” app. Left 1300 Bytes free for swapping

6. Create extended and swap partitions.

7. Restart.

1. Insert VBoxGuestAdditions Disk
2. Autoruns
3. Restart
4. Settings: Set display resolution to max
5. Host key + F

http://askubuntu.com/questions/44418/how-to-enable-root-login

sudo passwd root

you will prompted for a new Unix password. Write it twice(second for confirmation).

Then execute

sudo passwd -u root 

Reverting back:

sudo passwd -l root

https://github.com/joyent/node/wiki/Installing-Node.js-via-package-manager#debian-and-ubuntu-based-linux-distributions Setup with Debian (as root):

apt-get install curl
curl -sL https://deb.nodesource.com/setup | bash -

Then install with Debian (as root):

apt-get install -y nodejs

node -v

npm install bower

Remember during 1 hour
$ git config credential.helper 'cache –timeout=3600'