change virtual machine directory

$ cd /g/Dev/Vagrant/ubuntu/

set private network to 'Vagrantfile'

$ vim Vagrantfile

Comment lines have been omitted.

Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/xenial64"
end

set private network to 'Vagrant.configure("2")' item

Vagrant.configure("2") do |config|
  #
  # Create a private network, which allows host-only access to the machine
  # using a specific IP.
  config.vm.network "private_network", ip: "192.168.33.10"
  #
end

reload vagrant

$ vagrant reload
==> default: Attempting graceful shutdown of VM...
==> default: Checking if box 'ubuntu/xenial64' version '20190308.0.0' 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: Forwarding ports...
    default: 22 (guest) => 2222 (host) (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: Machine booted and ready!
==> default: Checking for guest additions in VM...
    default: The guest additions on this VM do not match the installed version of
    default: VirtualBox! In most cases this is fine, but in rare cases it can
    default: prevent things such as shared folders from working properly. If you see
    default: shared folder errors, please make sure the guest additions within the
    default: virtual machine match the version of VirtualBox you have installed on
    default: your host and reload your VM.
    default:
    default: Guest Additions Version: 5.1.38
    default: VirtualBox Version: 6.0
==> default: Configuring and enabling network interfaces...
==> default: Mounting shared folders...
    default: /vagrant => G:/Dev/Vagrant/ubuntu
==> default: Machine already provisioned. Run `vagrant provision` or use the `--provision`
==> default: flag to force provisioning. Provisioners marked to run always will still run.

change read from home directory '.bashrc'

reopen Git-Bash by System Manager

open 'bash.bashrc'

$ vim "/c/Program Files/Git/etc/bash.bashrc"

add script under '# System-wide bashrc file' comment.

So that you don't have to enter command $ source .bashrc every time

# System-wide bashrc file
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi

create home directory's '.bashrc'

$ vim ~/.bashrc

add script to '.bashrc'

This script prevents the ping return text garbled

function wincmd() {
    CMD=$1
    shift
    $CMD $* 2>&1 | iconv -f cp932 -t utf-8
}
alias ping='wincmd ping'

confirm ping command

reopen Git-Bash

ping command input

$ ping 192.168.33.10

192.168.33.10 に ping を送信しています 32 バイトのデータ:
192.168.33.10 からの応答: バイト数 =32 時間 <1ms TTL=64
192.168.33.10 からの応答: バイト数 =32 時間 <1ms TTL=64
192.168.33.10 からの応答: バイト数 =32 時間 <1ms TTL=64
192.168.33.10 からの応答: バイト数 =32 時間 <1ms TTL=64

192.168.33.10 の ping 統計:
    パケット数: 送信 = 4、受信 = 4、損失 = 0 (0% の損失)、
ラウンド トリップの概算時間 (ミリ秒):
    最小 = 0ms、最大 = 0ms、平均 = 0ms

directories synchronize between host OS and guest OS

open 'Vagrantfile'

$ vim ~/Vagrantfile

Comment lines have been omitted.

Vagrant.configure("2") do |config|
  config.vm.box = "ubuntu/xenial64"
  config.vm.network "private_network", ip: "192.168.33.10"
end

add 'synced_Folders' to 'Vagrant.configure("2")' item

directory "./data" on host OS synchronize to directory "/vagrant_data" on guest OS.

  # Share an additional folder to the guest VM. The first argument is
  # the path on the host to the actual folder. The second argument is
  # the path on the guest to mount the folder. And the optional third
  # argument is a set of non-required options.
  # config.vm.synced_folder "../data", "/vagrant_data"
config.vm.synced_folder "./data", "/vagrant_data"

create "./data" holder on host OS

$ pwd
/g/Dev/Vagrant/ubuntu

$ mkdir data

$ ll
data  ubuntu-xenial-16.04-cloudimg-console.log  Vagrantfile

reload vagrant

$ vagrant reload
==> default: Attempting graceful shutdown of VM...
==> default: Checking if box 'ubuntu/xenial64' version '20190308.0.0' 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: Forwarding ports...
    default: 22 (guest) => 2222 (host) (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 reset. Retrying...
    default: Warning: Connection aborted. Retrying...
==> default: Machine booted and ready!
==> default: Checking for guest additions in VM...
    default: The guest additions on this VM do not match the installed version of
    default: VirtualBox! In most cases this is fine, but in rare cases it can
    default: prevent things such as shared folders from working properly. If you see
    default: shared folder errors, please make sure the guest additions within the
    default: virtual machine match the version of VirtualBox you have installed on
    default: your host and reload your VM.
    default:
    default: Guest Additions Version: 5.1.38
    default: VirtualBox Version: 6.0
==> default: Configuring and enabling network interfaces...
==> default: Mounting shared folders...
    default: /vagrant => G:/Dev/Vagrant/ubuntu
    default: /vagrant_data => G:/Dev/Vagrant/ubuntu/data
==> default: Machine already provisioned. Run `vagrant provision` or use the `--provision`
==> default: flag to force provisioning. Provisioners marked to run always will still run.

confirm synchronized between host OS and guest OS

create test data file

$ touch ./data/test.data

$ ll ./data
total 0
-rw-r--r-- 1 teruroom 197618 0 3月  10 18:27 test.data

ssh login to guest OS

$ vagrant ssh
Welcome to Ubuntu 16.04.6 LTS (GNU/Linux 4.4.0-142-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

  Get cloud support with Ubuntu Advantage Cloud Guest:
    http://www.ubuntu.com/business/services/cloud

0 個のパッケージがアップデート可能です。
0 個のアップデートはセキュリティアップデートです。

New release '18.04.2 LTS' available.
Run 'do-release-upgrade' to upgrade to it.


Last login: Sun Mar 10 02:30:18 2019 from 10.0.2.2

confirm guest OS "/vagrant_data" directory

vagrant@ubuntu-xenial:~$ ll /vagrant_data/
合計 4
drwxrwxrwx  1 vagrant vagrant    0  3月 10 09:27 ./
drwxr-xr-x 25 root    root    4096  3月 10 09:23 ../
-rwxrwxrwx  1 vagrant vagrant    0  3月 10 09:27 test.data*

login user set 'root'

open 'Vagrantfile'

bash

$ vim ~/Vagrantfile

add username and password

bash

  config.ssh.username = 'root'
  config.ssh.password = 'vagrant'
  config.ssh.insert_key = 'false'

confirm setting

bash

$ vagrant ssh-config
Host default
  HostName 127.0.0.1
  User root
  Port 2222
  UserKnownHostsFile /dev/null
  StrictHostKeyChecking no
  PasswordAuthentication no
  IdentityFile G:/Dev/Vagrant/ubuntu/.vagrant/machines/default/virtualbox/private_key
  IdentitiesOnly yes
  LogLevel FATAL

login by user 'vagrant'

bash

$ vagrant ssh
Welcome to Ubuntu 16.04.6 LTS (GNU/Linux 4.4.0-143-generic x86_64)

 * Documentation:  https://help.ubuntu.com
 * Management:     https://landscape.canonical.com
 * Support:        https://ubuntu.com/advantage

  Get cloud support with Ubuntu Advantage Cloud Guest:
    http://www.ubuntu.com/business/services/cloud

0 個のパッケージがアップデート可能です。
0 個のアップデートはセキュリティアップデートです。

New release '18.04.2 LTS' available.
Run 'do-release-upgrade' to upgrade to it.


Last login: Fri Mar 15 19:54:15 2019 from 10.0.2.2

promote root

bash

$ su root

copy 'authorized_keys' to root directory

bash

$ cp /home/vagrant/.ssh/authorized_keys ~/.ssh/
$ chmod 600 ~/.ssh/authorized_keys
$ ll ~/.ssh/
合計 12
drwx------ 2 root root 4096  3月  9 18:20 ./
drwx------ 7 root root 4096  3月 15 20:01 ../
-rw------- 1 root root  389  3月 15 19:47 authorized_keys

confirm ssh login

reload Vagrant

bash

$ vagrant reload

ssh command login by vagrant user

bash

$ ssh -p 2222 -v vagrant@127.0.0.1 -i .vagrant/machines/default/virtualbox/private_key

bash

Last login: Fri Mar 15 19:50:25 2019 from 10.0.2.2
$ whoami
vagrant

ssh command login by root

bash

$ ssh -p 2222 -v root@127.0.0.1 -i .vagrant/machines/default/virtualbox/private_key

bash

Last login: Fri Mar 15 20:12:19 2019 from 10.0.2.2
# whoami
root

normal vagrant command login

bash

$ vagrant ssh

bash

Last login: Fri Mar 15 20:26:32 2019 from 10.0.2.2
# whoami
root