About Installing homestead using vagrant in ubuntu

I downloaded homestead offline and installed it offline. The following are my installation steps: 1. use a plug-in file to add the box {code ...} 2. use composer to install homestead globally {code ...} the installation was not successful because it was not found under homewaterchan. composer... I downloaded homestead offline and installed it offline. Follow these steps:
1. Add a box using a plug-in file

vagrant box add laravel/homestead /home/waterchan/homestead.box

2. Use composer to install homestead globally

composer global require "laravel/homestead=~2.0"

The installation was not successful because the. composer directory was not found in/home/waterchan. When composer installs homestead, it will install it to the vender directory under the. composer directory.
I would like to ask you how to install the downloaded homestead.

Reply content:

I downloaded homestead offline and installed it offline. Follow these steps:
1. Add a box using a plug-in file

vagrant box add laravel/homestead /home/waterchan/homestead.box

2. Use composer to install homestead globally

composer global require "laravel/homestead=~2.0"

The installation was not successful because the. composer directory was not found in/home/waterchan. When composer installs homestead, it will install it to the vender directory under the. composer directory.
I would like to ask you how to install the downloaded homestead.

The installation of composer is not automatically created ~ /. Composer directory