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20140804-2 选题
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Microsoft’s Raspberry Pi Will Cost $300
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================================================================================
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I presume that you have heard of [Raspberry Pi][1]. A $35 microcomputer that has revolutionized the low cost computing and has cult following among hardware hobbyist and do-it-yourself enthusiasts. Several other followed in the footsteps of Raspberry Pi to provide low cost micro computers, [Arduino][2] is one of the successful examples.
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Microsoft has decided to enter the world of “System on Chip” and to come up with its “own Raspberry Pi”. Teamed up with Intel and [CircuitCo][3], [Microsoft will be launching a micro computer named “Sharks Cove“][4].
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Sharks Cove boasts of Intel Atom Z3735G, a quad-core chip with speeds up to 1.83GHz, 1GB of RAM, 16GB of flash storage and a MicroSD slot among many other things. You can read the full specifications [here][5]. The main aim of Shark Cove is to provide a platform to develop hardware and drivers for Windows and Android.
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Everything sounds fine till it comes to price. Sharks Cove will cost $299 with a Windows 8.1 license. While Arduino costs around $55 and Raspberry Pi $35, I don’t think there will be many buyers for such a high price in a domain which is dominated by low cost Linux based devices. What do you think?
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--------------------------------------------------------------------------------
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via: http://itsfoss.com/microsofts-raspberry-pi/
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作者：[Abhishek][a]
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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[a]:http://itsfoss.com/author/Abhishek/
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[1]:http://www.raspberrypi.org/
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[2]:http://www.arduino.cc/
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[3]:http://www.circuitco.com/
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[4]:http://blogs.msdn.com/b/windows_hardware_and_driver_developer_blog/archive/2014/07/26/the-sharks-cove-is-now-available-for-pre-order.aspx
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[5]:http://www.sharkscove.org/docs/
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Linux FAQs with Answers--How to check if I am in a running screen session
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> **Question**: I often use screen command to run multiple pseudo terminal sessions. Oftentimes I find it difficult to remember whether I am inside a screen session, or in a regular terminal. Is there any convenient way to check whether or not I am inside a running screen session?
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One quick and easy way to tell whether you are inside a screen's pseudo terminal or in a regular terminal is to check STY environment variable. When screen is invoked, it sets STY variable to a session name. So if STY environment variable is set to any non-empty string, that means you are inside a screen session.
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$ echo $STY
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> 2858.pts-3.my_host
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However, note that the above method works **only if** you are still on a local computer where you run screen command. If you SSH to any other remote computer from the local computer's screen session, STY variable will not be set on the remote computer while you are technically still in a screen session.
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In fact, a more reliable way to check if you are in a screen session is to press "Ctrl-a"+"Ctrl-t". If you are in screen, the terminal will show you time information at the bottom of the terminal.
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--------------------------------------------------------------------------------
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via: http://ask.xmodulo.com/check-running-screen-session.html
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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Linux FAQs with Answers--How to enable and configure desktop sharing on Linux Mint Cinnamon desktop
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> **Question**: I was trying to enable desktop sharing via Vino VNC server (vino-server) on Linux Mint 17 Cinnamon desktop. However, I notice that vino-preferences tool which allows us to configure vino-server (e.g., sharing option, security, notification on/off) no longer exists. Also, I cannot find desktop sharing menu on Cinnamon desktop. How can I configure desktop sharing via vino-server on the latest Linux Mint 17 Cinnamon desktop?
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The latest Linux Mint Cinnamon desktop comes with vino-server pre-installed for VNC desktop sharing, but it's reported that desktop sharing configuration menu is missing.
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An alternative way to configure vino-server and enable desktop sharing is to use dconf-editor's graphical interface.
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First install dconf-editor:
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$ sudo apt-get install dconf-editor
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Launch dconf-editor.
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$ dconf-editor
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Navigate to "org->gnome->desktop->remote-access" on the left panel of dconf-editor. Then you will see various desktop sharing options.
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Most importantly, click on "enabled" to activate desktop remote access. Besides this, you can customize other options.
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For example, you can enable VNC password authentication by changing the following fields:
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- **authentication-methods**: set it to ['vnc']
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- **vnc-password**: change it to Base64-encoded string of a preferred password.
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In this example, we choose VNC password as "password", and its Base64-encoded string is "cGFzc3dvcmQ=".
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Optionally, you can enable other options:
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- notify-on-connect: shows a desktop notification when vino-server receives a connection request.
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- prompt-enabled: a remote user is not allowed to access a desktop via VNC until the VNC request is approved by the desktop owner.
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### Troubleshoot ###
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1. I am getting the following error when attempting to start vino-server.
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** (vino-server:4280): WARNING **: The desktop sharing service is not enabled, so it should not be run.
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To enable desktop sharing service, use dconf-editor as described above. Alternatively, run the following command.
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# gsettings set org.gnome.Vino enabled true
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--------------------------------------------------------------------------------
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via: http://ask.xmodulo.com/enable-configure-desktop-sharing-linux-mint-cinnamon-desktop.html
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译者：[译者ID](https://github.com/译者ID)
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校对：[校对者ID](https://github.com/校对者ID)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创翻译，[Linux中国](http://linux.cn/) 荣誉推出
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