# VirtualBox

## Tips

### コマンドラインからの起動

`VBoxManage list vms`

で起動できるVM一覧を表示

起動させる

`VBoxManage startvm YOUR_VM_NAME --type headless`

動いているかどうか確認

`VBoxManage list runningvms`

停止させる

`VBoxManage controlvm YOUR_VM_NAME [ poweroff | savestate | reset | pause | resume ]`

### NATネットワークとNATの違い

<http://changineer.info/server/virtualization/virtualbox.html#_8211-4>

### 容量変更

**vdi形式**

1. "C:Program Files\Oracle\VirtualBox\VBoxManage.exe" modifyhd 拡張したい仮想マシンの仮想ディスクのパス --resize 拡張後のディスク容量(MB)
2. OS起動後、gparted等で変更する

**vmdk形式**

1. "C:Program Files\Oracle\VirtualBox\VBoxManage.exe"  clonehd "box-disk1.vmdk" "cloned.vdi" --format vdi
2. "C:Program Files\Oracle\VirtualBox\VBoxManage.exe"  modifyhd "cloned.vdi" --resize 16384    # 単位はMB
3. "C:Program Files\Oracle\VirtualBox\VBoxManage.exe"  clonehd "cloned.vdi" "resized.vmdk" --format vmdk

### VirtualBox Guest Additionsのインストールでエラーとなる

<http://punio.org/blog/201408041942VVAW.html>


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