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[Translated]20150604 How To Install Unity 8 Desktop Preview In Ubuntu.md
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Translating by GOLinux!
How To Install Unity 8 Desktop Preview In Ubuntu
================================================================================
![](http://itsfoss.itsfoss.netdna-cdn.com/wp-content/uploads/2015/06/Unity_8.jpeg)
If you have been following the news, Ubuntu will be switching to [Mir display server][1] along with [Unity 8][2] desktop. While it is still not certain if Unity 8 running on Mir will be available in [Ubuntu 15.10 Willy Werewolf][3], a preview version of Unity 8 is available for you to try and test. With the official PPA, it is really easy to **install Unity 8 in Ubuntu 14.04, 14.10 and 15.04**.
Until now, this Unity 8 desktop preview has been available via an [ISO][4] for (primarily) developers to test it. But Canonical has made it available through [LXC containers][5]. By using this method you get a Unity 8 desktop session running on Mir display server as any desktop environment. It’s like as if you [install Mate desktop in Ubuntu][6] and choose the desktop session from the LightDm login screen.
Curious to give Unity 8 a try? Let’s see how to install it.
**Note: It’s an experimental preview and may not work properly for everyone.**
### Install Unity 8 desktop in Ubuntu ###
Following are the steps to install and use Unity 8:
#### Step 1: Install Unity 8 in Ubuntu 12.04 and 14.04 ####
If you are running Ubuntu 12.04 and 14.04, you’ll have to use the official PPA to install Unity 8. Use the following command:
sudo apt-add-repository ppa:unity8-desktop-session-team/unity8-preview-lxc
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install unity8-lxc
#### Step 1: Install Unity 8 in Ubuntu 14.10 and 15.04 ####
If you are running Ubuntu 14.10 or 15.04, Unity 8 LXC is already in the sources. You just need to run the following commands:
sudo apt-get update
sudo apt-get install unity8-lxc
#### Step 2: Set up Unity 8 desktop preview LXC ####
Once you have installed Unity 8 LXC, it’s time to set it up. Use the following command for this purpose:
sudo unity8-lxc-setup
It will take some time in set up, so have some patience. It downloads the ISO and then extracts it, and then any last bits of setup necessary to make it work. It will also install a slightly modified version of LightDM. Once everything is done, a restart is required.
#### Step 3: Select Unity 8 ####
After restarting, at login screen, click on the Ubuntu icon beside your login name:
![](http://itsfoss.itsfoss.netdna-cdn.com/wp-content/uploads/2014/08/Change_Desktop_Environment_Ubuntu.jpeg)
You should see the option of Unity 8 here. Select it:
![](http://itsfoss.itsfoss.netdna-cdn.com/wp-content/uploads/2015/06/Select_Unity8.jpeg)
### Uninstall Unity 8 LXC ###
If you find Unity 8 too buggy or if you don’t like it, you can simply switch back to the default Unity version in similar fashion. Additionally, you can also remove Unity 8 using this command:
sudo apt-get remove unity8-lxc
This will remove the Unity 8 option from LightDM screen but the set-up will remain there.
That’s all you need to do to install Unity 8 with Mir in Ubuntu. Do share what you think of Unity 8 when you try it out.
--------------------------------------------------------------------------------
via: http://itsfoss.com/install-unity-8-desktop-ubuntu/
作者：[Abhishek][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) 原创翻译，[Linux中国](https://linux.cn/) 荣誉推出
[a]:http://itsfoss.com/author/abhishek/
[1]:http://en.wikipedia.org/wiki/Mir_%28software%29
[2]:https://wiki.ubuntu.com/Unity8Desktop
[3]:http://itsfoss.com/ubuntu-15-10-codename/
[4]:https://wiki.ubuntu.com/Unity8DesktopIso
[5]:https://wiki.ubuntu.com/Unity8inLXC
[6]:http://itsfoss.com/install-mate-desktop-ubuntu-14-04/

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Ubuntu中安装Unity 8桌面预览版
================================================================================
![](http://itsfoss.itsfoss.netdna-cdn.com/wp-content/uploads/2015/06/Unity_8.jpeg)
如果你一直关注新闻，那么Ubuntu将会切换到[Mir显示服务器][1]，并随同发布[Unity 8][2]桌面。然而，在尚未确定Unity 8是否会在[Ubuntu 15.10 Willy Werewolf][3]中部署到Mir上之前，提供了一个Unity 8的预览版本供你体验和测试。通过官方PPA，可以很容地**安装Unity 8到Ubuntu 14.04,14.10和15.04中**。
到目前为止，开发者已经可以通过[ISO][4]获得该Unity 8预览来进行测试。但是Canonical已经通过[LXC容器][5]发布了。通过该方法，你可以获取Unity 8桌面会话，让它作为任何一个桌面环境运行在Mir显示服务器上。就像你[在Ubuntu中安装Mate桌面][6]，然后从LightDm登录屏幕选择桌面会话一样。
好奇？想要试试Unity 8？让我们来看怎样安装它吧。
**注意： 它是一个实验性预览，可能不是所有人都可以让它正确工作的。**
### 安装Unity 8桌面到Ubuntu ###
下面是安装并使用Unity 8的步骤：
#### 步骤 1： 安装Unity 8到Ubuntu 12.04和14.04 ####
如果你真运行着Ubuntu 12.04和14.04，那么你必须使用官方PPA来安装Unity 8。使用以下命令进行安装：
sudo apt-add-repository ppa:unity8-desktop-session-team/unity8-preview-lxc
sudo apt-get update
sudo apt-get upgrade
sudo apt-get install unity8-lxc
#### 步骤 1： 安装Unity 8到Ubuntu 14.10和15.04 ####
如果你真运行着Ubuntu 14.10或15.04，那么Unity 8 LXC已经在源中准备好。你只需要运行以下命令：
sudo apt-get update
sudo apt-get install unity8-lxc
#### 步骤 2： 设置Unity 8桌面预览LXC ####
安装Unity 8 LXC后，该对它进行设置，下面的命令就可达到目的：
sudo unity8-lxc-setup
它将花费一些时间来设置，所以，给点耐心吧。它会下载ISO，然后解压缩，接着完整最后一些必要的设置来让它工作。它也会安装一个LightDM的轻度修改版本。这一切都搞定后，需要重启。
#### 步骤 3： 选择Unity 8 ####
重启后，在登录屏幕，点击你的登录旁边的Ubuntu图标：
![](http://itsfoss.itsfoss.netdna-cdn.com/wp-content/uploads/2014/08/Change_Desktop_Environment_Ubuntu.jpeg)
你应该可以在这看到Unity 8的选项，选择它：
![](http://itsfoss.itsfoss.netdna-cdn.com/wp-content/uploads/2015/06/Select_Unity8.jpeg)
### 卸载Unity 8 LXC ###
如果你发现Unity 8毛病太多，或者你不喜欢它，那么你可以以相同的方式切换会默认Unity版本。此外，你也可以通过下面的命令移除Unity 8：
sudo apt-get remove unity8-lxc
该命令会将Unity 8选项从LightDM屏幕移除，但是配置仍然保留着。
以上就是你在Ubuntu中安装嗲有Mir的Unity 8的全部过程，试玩后请分享你关于Unity 8的想法哦！
--------------------------------------------------------------------------------
via: http://itsfoss.com/install-unity-8-desktop-ubuntu/
作者：[Abhishek][a]
译者：[GOLinux](https://github.com/GOLinux)
校对：[校对者ID](https://github.com/校对者ID)
本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](https://linux.cn/) 荣誉推出
[a]:http://itsfoss.com/author/abhishek/
[1]:http://en.wikipedia.org/wiki/Mir_%28software%29
[2]:https://wiki.ubuntu.com/Unity8Desktop
[3]:http://itsfoss.com/ubuntu-15-10-codename/
[4]:https://wiki.ubuntu.com/Unity8DesktopIso
[5]:https://wiki.ubuntu.com/Unity8inLXC
[6]:http://itsfoss.com/install-mate-desktop-ubuntu-14-04/