TranslateProject/translated/tech/20161111 How to increase screen resolution on XenServer 7 GUI Virtual Machine.md

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# 如何在 XenServer 7 GUI 虚拟机VM上提高屏幕分辨率
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内容
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* * [1. 目的][5]
* [2. 要求][6]
* [3. 难易性][7]
* [4. 惯例][8]
* [5. 指导][9]
* [5.1. 获得 VM UUID][1]
* [5.2. 关闭 VM][2]
* [5.3. 更新 VGA 的 VIDEORAM 设置][3]
* [5.4. 启动 VM][4]
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### 目的
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如果你想要将 XenServer 虚拟机作为远程桌面,默认的分辨率可能不能满足你的要求。
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![Default xenserver screen VM resolution](https://linuxconfig.org/images/xenserver-7-default-screen-resolution.png)
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本篇的目标是提高 XenServer 7 GUI 虚拟机VM的屏幕分辨率
### 要求
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访问 XenServer 7 系统的特权
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### 难易性
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简单
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### 惯例
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* **#** - 给定命令需要作为 root 用户权限运行或者使用 `sudo` 命令
* **$**- 给定命令作为常规权限用户运行
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### 指导
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### 获得 VM UUID
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首先,我们需要获得想要提升分辨率的虚拟机的 UUID。
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```
# xe vm-list
uuid ( RO) : 09a3d0d3-f16c-b215-9460-50dde9123891
name-label ( RW): CentOS 7
power-state ( RO): running
```
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提示:如果你将此 UUID 保存为 shell 变量会节省一些时间:
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```
# UUID=09a3d0d3-f16c-b215-9460-50dde9123891
```
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### 关闭 VM
优雅地关闭 VM 或使用 `xe vm-vm-shutdown` 命令:
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```
# xe vm-shutdown uuid=$UUID
```
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### 更新 VGA 的 VIDEORAM 设置
检查你目前的 VGA 的 VIDEORAM 参数设置:
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```
# xe vm-param-get uuid=$UUID param-name="platform" param-key=vga
std
# xe vm-param-get uuid=$UUID param-name="platform" param-key=videoram
8
```
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要提升屏幕的分辨率,将 VGA 更新到 `std` (如果已经设置过,就不需要做什么),并将 `videoram` 调大几兆,如设置成 16
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```
# xe vm-param-set uuid=$UUID platform:vga=std
# xe vm-param-set uuid=$UUID platform:videoram=16
```
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### 启动 VM
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```
# xe vm-start uuid=$UUID
```
![increased xenserver screen VM resolution](https://linuxconfig.org/images/xenserver-7-increased-screen-resolution.png)
--------------------------------------------------------------------------------
via: https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm
作者:[Lubos Rendek][a]
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译者:[geekpi](https://github.com/geekpi)
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校对:[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译,[Linux中国](https://linux.cn/) 荣誉推出
[a]:https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm
[1]:https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm#h5-1-obtain-vm-uuid
[2]:https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm#h5-2-shutdown-vm
[3]:https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm#h5-3-update-vga-a-videoram-settings
[4]:https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm#h5-4-start-vm
[5]:https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm#h1-objective
[6]:https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm#h2-requirements
[7]:https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm#h3-difficulty
[8]:https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm#h4-conventions
[9]:https://linuxconfig.org/how-to-increase-screen-resolution-on-xenserver-7-gui-virtual-machine-vm#h5-instructions