20170210-7 选题

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

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+# How to increase screen resolution on XenServer 7 GUI Virtual Machine (VM)
+
+Contents
+
+*   *   [1. Objective][5]
+    *   [2. Requirements][6]
+    *   [3. Difficulty][7]
+    *   [4. Conventions][8]
+    *   [5. Instructions][9]
+        *   [5.1. Obtain VM UUID][1]
+        *   [5.2. Shutdown VM][2]
+        *   [5.3. Update VGA a VIDEORAM settings][3]
+        *   [5.4. Start VM][4]
+
+### Objective
+
+If your intention is to use XenServer's virtual machine as a remote desktop, the default screen resolution may not be satisfactory for your purposes. 
+
+
+ ![Default xenserver screen VM resolution](https://linuxconfig.org/images/xenserver-7-default-screen-resolution.png) 
+
+
+The objective is to increase screen resolution on XenServer 7 GUI Virtual Machine.
+
+### Requirements
+
+Privileged access to XenServer 7 system.
+
+### Difficulty
+
+EASY
+
+### Conventions
+
+*   **#** - requires given command to be executed with root privileges either directly as a root user or by use of `sudo` command
+*   **$** - given command to be executed as a regular non-privileged user
+
+### Instructions
+
+### Obtain VM UUID
+
+First, we need to obtain a relevant UUID of the Virtual Machine on which we wish to increase a screen resolution:
+```
+# xe vm-list 
+uuid ( RO)           : 09a3d0d3-f16c-b215-9460-50dde9123891
+     name-label ( RW): CentOS 7
+    power-state ( RO): running
+```
+Tip: It saves some time if you save this UUID as a shell variable:
+```
+# UUID=09a3d0d3-f16c-b215-9460-50dde9123891
+```
+
+### Shutdown VM
+
+Gracefully shutdown your VM or shutdown using `xe vm-vm-shutdown` command:
+```
+# xe vm-shutdown uuid=$UUID
+```
+
+### Update VGA a VIDEORAM settings
+
+Check your current VGA a VIDEORAM parameter settings:
+```
+# 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
+```
+To increase a screen resolution, update your VGA to `std` ( if its already set, nothing needs to be done ) and `videoram` to some greater number in megabytes. Eg. 16:
+```
+# xe vm-param-set uuid=$UUID platform:vga=std
+# xe vm-param-set uuid=$UUID platform:videoram=16
+```
+
+### Start VM
+
+```
+# 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]
+译者：[译者ID](https://github.com/译者ID)
+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