Vagrant.configure(2) do |config|
   config.vm.box = "ubuntu/trusty64"
   config.vm.box_check_update = false
   config.ssh.forward_agent = true
   config.vm.network "public_network"
   config.vm.synced_folder "/home/vicky/", "/home/vicky/"
end

Bringing machine 'default' up with 'virtualbox' provider...
==> default: Checking if box 'phusion/ubuntu-14.04-amd64' is up to date...
==> default: Clearing any previously set forwarded ports...
==> default: Clearing any previously set network interfaces...
==> default: Preparing network interfaces based on configuration...
    default: Adapter 1: nat
    default: Adapter 2: hostonly
    default: Adapter 3: hostonly
    default: Adapter 4: hostonly
==> default: Forwarding ports...
    default: 3000 => 3334 (adapter 1)
    default: 1080 => 1082 (adapter 1)
    default: 22 => 2222 (adapter 1)
==> default: Running 'pre-boot' VM customizations...
==> default: Booting VM...
==> default: Waiting for machine to boot. This may take a few minutes...
    default: SSH address: 127.0.0.1:2222
    default: SSH username: vagrant
    default: SSH auth method: private key
    default: Warning: Connection timeout. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
    default: Warning: Remote connection disconnect. Retrying...
==> default: Machine booted and ready!
==> default: Checking for guest additions in VM...
==> default: Configuring and enabling network interfaces...
==> default: Exporting NFS shared folders...
==> default: Preparing to edit /etc/exports. Administrator privileges will be required...
Password:
==> default: Mounting NFS shared folders...
==> default: Machine already provisioned. Run `vagrant provision` or use the `--provision`
==> default: to force provisioning. Provisioners marked to run always will still run.
==> default: Running provisioner: shell...
    default: Running: inline script
==> default: stdin: is not a tty
==> default: stop: Unknown instance:
==> default: mongod start/running, process 8424

$ifconfig
eth0      Link encap:Ethernet  HWaddr 08:00:27:fd:f0:ed
          inet addr:10.0.2.15  Bcast:10.0.2.255  Mask:255.255.255.0
          inet6 addr: fe80::a00:27ff:fefd:f0ed/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:3459 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3324 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:248047 (248.0 KB)  TX bytes:240540 (240.5 KB)

eth1      Link encap:Ethernet  HWaddr 08:00:27:b2:d7:a2
          inet6 addr: fe80::a00:27ff:feb2:d7a2/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:22924 errors:0 dropped:0 overruns:0 frame:0
          TX packets:145 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:1964056 (1.9 MB)  TX bytes:43062 (43.0 KB)