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translating---geekpi
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How To Configure Mouse Support For Linux Virtual Consoles
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======
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I use Oracle VirtualBox to test various Unix-like operating systems. Most of my VMs are headless servers that does not have graphical desktop environment. For a long time, I have been wondering how can we use the mouse in the text-based terminals in headless Linux servers. Thanks to **GPM** , today I learned that we can use Mouse in virtual consoles for copy and paste operations. **GPM** , acronym for **G** eneral **P** urpose **M** ouse, is a daemon that helps you to configure mouse support for Linux virtual consoles. Please do not confuse GPM with **GDM** (GNOME Display manager). Both serves entirely different purpose.
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GPM is especially useful in the following scenarios:
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* New Linux server installations or for systems that cannot or do not use an X windows system by default, like Arch Linux and Gentoo.
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* Use copy/paste operations around in the virtual terminals/consoles.
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* Use copy/paste in text-based editors and browsers (Eg. emacs, lynx).
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* Use copy/paste in text file managers (Eg. Ranger, Midnight commander).
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In this brief tutorial, we are going to see how to use Mouse in Text-based terminals in Unix-like operating systems.
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### Installing GPM
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To enable mouse support in Text-only Linux systems, install GPM package. It is available in the default repositories of most Linux distributions.
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On Arch Linux and its variants like Antergos, Manjaro Linux, run the following command to install GPM:
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```
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$ sudo pacman -S gpm
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```
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On Debian, Ubuntu, Linux Mint:
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```
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$ sudo apt install gpm
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```
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On Fedora:
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```
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$ sudo dnf install gpm
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```
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On openSUSE:
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```
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$ sudo zypper install gpm
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```
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Once installed, enable and start GPM service using the following commands:
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```
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$ sudo systemctl enable gpm
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$ sudo systemctl start gpm
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```
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In Debian-based systems, gpm service will be automatically started after you installed it, so you need not to manually start the service as shown above.
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### Configure Mouse Support For Linux Virtual Consoles
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There is no special configuration required. GPM will start working as soon as you installed it and started gpm service.
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Have a look at the following screenshot of my Ubuntu 18.04 LTS server before installing GPM:
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As you see in the above screenshot, there is no visible Mouse pointer in my Ubuntu 18.04 LTS headless server. Only a blinking cursor and it won’t let me to select a text, copy/paste text using mouse. In CLI-only Linux servers, the mouse is literally not useful at all.
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Now check the following screenshot of Ubuntu 18.04 LTS server after installing GPM:
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See? I can now be able to select the text.
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To select, copy and paste text, do the following:
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* To select text, press the left mouse button and drag the mouse.
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* Once you selected the text, release the left mouse button and paste text in the same or another console by pressing the middle mouse button.
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* The right button is used to extend the selection, like in `xterm’.
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* If you’re using two-button mouse, use the right button to paste text.
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It’s that simple!
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Like I already said, GPM works just fine and there is no extra configuration needed. Here is the sample contents of GPM configuration file **/etc/gpm.conf** (or `/etc/conf.d/gpm` in some distributions):
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```
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# protected from evaluation (i.e. by quoting them).
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#
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# This file is used by /etc/init.d/gpm and can be modified by
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# "dpkg-reconfigure gpm" or by hand at your option.
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#
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device=/dev/input/mice
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responsiveness=
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repeat_type=none
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type=exps2
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append=''
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sample_rate=
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```
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In my example, I use USB mouse. If you’re using different mouse, you might have to change the values of **device=/dev/input/mice** and **type=exps2** parameters.
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For more details, refer man pages.
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```
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$ man gpm
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```
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And, that’s all for now. Hope this was useful. More good stuffs to come. Stay tuned!
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Cheers!
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--------------------------------------------------------------------------------
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via: https://www.ostechnix.com/how-to-configure-mouse-support-for-linux-virtual-consoles/
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作者：[SK][a]
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选题：[lujun9972](https://github.com/lujun9972)
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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) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://www.ostechnix.com/author/sk/
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@ -0,0 +1,124 @@
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如何为 Linux 虚拟控制台配置鼠标支持
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======
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我使用 Oracle VirtualBox 来测试各种类 Unix 操作系统。我的大多数虚拟机都是无头服务器，它们没有图形桌面环境。很长一段时间，我一直想知道如何在无头 Linux 服务器的基于文本的终端中使用鼠标。感谢 **GPM**，今天我了解到我们可以在虚拟控制台中使用鼠标进行复制和粘贴操作。 **GPM**，**G** eneral **P** urpose **M** ouse 的首字母缩写，它是一个守护程序，可以帮助你配置 Linux 虚拟控制台的鼠标支持。请不要将 GPM 与 **GDM**（GNOME 显示管理器）混淆。两者有完全不同的用途。
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GPM 在以下场景中特别有用：
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* 新的 Linux 服务器安装或默认情况下不能或不使用 X Windows 的系统，如 Arch Linux 和 Gentoo。
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* 在虚拟终端/控制台中使用复制/粘贴操作。
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* 在基于文本的编辑器和浏览器中使用复制/粘贴（例如，emacs、lynx）。
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* 在文本文件管理器中使用复制/粘贴（例如 Ranger、Midnight commander）。
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在这个简短的教程中，我们将看到如何在类 Unix 操作系统中在基于文本的终端中使用鼠标。
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### 安装 GPM
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要在纯文本 Linux 系统中启用鼠标支持，请安装 GPM 包。它在大多数 Linux 发行版的默认仓库中都有。
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在 Arch Linux 及其变体如 Antergos、Manjaro Linux 上，运行以下命令来安装 GPM：
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```
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$ sudo pacman -S gpm
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```
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在 Debian、Ubuntu、Linux Mint 中：
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```
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$ sudo apt install gpm
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```
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在 Fedora 上：
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```
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$ sudo dnf install gpm
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```
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在 openSUSE 上：
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```
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$ sudo zypper install gpm
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```
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安装后，使用以下命令启用并启动 GPM 服务：
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```
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$ sudo systemctl enable gpm
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$ sudo systemctl start gpm
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```
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在基于 Debian 的系统中，gpm 服务将在你安装后自动启动，因此你无需如上所示手动启动服务。
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### 为 Linux 虚拟控制台配置鼠标支持
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无需特殊配置。GPM 将在你安装并启动 gpm 服务后立即开始工作。
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在安装 GPM 之前，看下我的 Ubuntu 18.04 LTS 服务器的屏幕截图：
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正如你在上面的截图中看到的，我的 Ubuntu 18.04 LTS 无头服务器中没有可见的鼠标指针。只有一个闪烁的光标，它不能让我选择文本，使用鼠标复制/粘贴文本。在仅限 CLI 的 Linux 服务器中，鼠标根本没用。
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在安装 GPM 后查看 Ubuntu 18.04 LTS 服务器的以下截图：
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看见了吗？我现在可以选择文字了。
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要选择，复制和粘贴文本，请执行以下操作：
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* 要选择文本，请按下鼠标左键并拖动鼠标。
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* 选择文本后，放开鼠标左键，并按下中键在同一个或另一个控制台中粘贴文本。
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* 右键用于扩展选择，就像在 `xterm` 中。
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* 如果你使用的是双键鼠标，请使用右键粘贴文本。
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就这么简单！
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就像我已经说过的那样，GPM 工作得很好，并且不需要额外的配置。以下是 GPM 配置文件 **/etc/gpm.conf**（或在某些发行版中是 `/etc/conf.d/gpm`）的示例内容：
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```
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# protected from evaluation (i.e. by quoting them).
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#
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# This file is used by /etc/init.d/gpm and can be modified by
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# "dpkg-reconfigure gpm" or by hand at your option.
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#
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device=/dev/input/mice
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responsiveness=
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repeat_type=none
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type=exps2
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append=''
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sample_rate=
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```
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在我的例子中，我使用 USB 鼠标。如果你使用的是其他鼠标，则可能需要更改 **device=/dev/input/mice** 和 **type=exps2** 参数的值。
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有关更多详细信息，请参阅手册页。
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```
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$ man gpm
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```
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就是这些了。希望这个有用。还有更多的好东西。敬请期待！
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干杯!
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--------------------------------------------------------------------------------
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via: https://www.ostechnix.com/how-to-configure-mouse-support-for-linux-virtual-consoles/
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作者：[SK][a]
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选题：[lujun9972](https://github.com/lujun9972)
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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)
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本文由 [LCTT](https://github.com/LCTT/TranslateProject) 原创编译，[Linux中国](https://linux.cn/) 荣誉推出
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[a]: https://www.ostechnix.com/author/sk/
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