$ vagrant up
Bringing machine
'default'
up with
'virtualbox'
provider...
==> default: Box
'centos/7'
could not be found. Attempting to
find
and
install
...
default: Box Provider: virtualbox
default: Box Version: >= 0
==> default: Loading metadata
for
box
'centos/7'
default: URL: https:
//vagrantcloud
.com
/centos/7
==> default: Adding box
'centos/7'
(v1801.02)
for
provider: virtualbox
default: Downloading: https:
//vagrantcloud
.com
/centos/boxes/7/versions/1801
.02
/providers/virtualbox
.box
default: Progress: 59% (Rate: 17059
/s
, Estimated
time
remaining: 0:07:55)