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How To Disable Built-in Webcam In Linux
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======
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Today, we’ll see how to disable built-in webcam or external webcam when it’s not used, and how to enable it back when it’s required in your Linux box. Disabling web cam can help you in many ways. You can prevent from the malware taking control of your integrated webcam and spy on you and your home. We have read countless stories in the past that some hackers can spy on you using your webcam without your knowledge. By hacking your webcam, the user can share your private photos and videos online. There could be many reasons. If you’re ever wondered how to disable the web cam in your Laptop or desktop, you’re in luck. This brief tutorial will show you how. Read on.
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I tested this guide on Arch Linux and Ubuntu. It worked exactly as described below. I hope this will work on other Linux distributions as well.
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### Disable Built-in webcam in Linux
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First, find the web cam driver using command:
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```
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$ sudo lsmod | grep uvcvideo
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```
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**Sample output:**
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```
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uvcvideo 114688 1
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videobuf2_vmalloc 16384 1 uvcvideo
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videobuf2_v4l2 28672 1 uvcvideo
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videobuf2_common 53248 2 uvcvideo,videobuf2_v4l2
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videodev 208896 4 uvcvideo,videobuf2_common,videobuf2_v4l2
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media 45056 2 uvcvideo,videodev
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usbcore 286720 9 uvcvideo,usbhid,usb_storage,ehci_hcd,ath3k,btusb,uas,ums_realtek,ehci_pci
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```
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Here, **uvcvideo** is my web cam driver.
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Now, let us disable webcam.
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To do so, edit the following file (if the file is not exists, just create it):
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```
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$ sudo nano /etc/modprobe.d/blacklist.conf
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```
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Add the following lines:
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```
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##Disable webcam.
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blacklist uvcvideo
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```
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The line **“##Disable webcam”** is not necessary. I have added it for the sake of easy understanding.
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Save and exit the file. Reboot your system to take effect the changes.
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To verify, whether Webcam is really disabled or not, open any instant messenger applications or web cam software such as Cheese or Guvcview. You will see a blank screen like below.
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**Cheese output:**
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![][2]
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**Guvcview output:**
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![][3]
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See? The web cam is disabled and is not working.
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To enable it back, edit:
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```
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$ sudo nano /etc/modprobe.d/blacklist.conf
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```
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Comment the lines which you have added earlier.
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```
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##Disable webcam.
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#blacklist uvcvideo
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```
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Save and close the file. Then, reboot your Computer to enable your Webcam.
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Does it enough? No. Why? If someone can remotely access your system, they can easily enable the webcam back. So, It is always a good idea to cover it up with a tape or unplug the camera or disable it in the BIOS when it’s not used. This method is not just for disabling the built-in webcam, but also for external web camera.
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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-disable-built-in-webcam-in-ubuntu/
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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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[1]:data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
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[2]:http://www.ostechnix.com/wp-content/uploads/2015/08/cheese.jpg
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[3]:http://www.ostechnix.com/wp-content/uploads/2015/08/guvcview.jpg
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@ -0,0 +1,100 @@
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如何在 Linux 中禁用内置摄像头
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======
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今天，我们将看到如何禁用未使用的内置网络摄像头或外置摄像头，以及如何在 Linux 中需要时启用它。禁用网络摄像头可以在很多方面为你提供帮助。你可以防止恶意软件控制你的集成摄像头，并监视你和你的家庭。我们已经阅读过无数的故事，一些黑客可以在你不知情的情况下使用你的摄像头监视你。通过黑客攻击你的网络摄像头，用户可以在线共享你的私人照片和视频。可能有很多原因。如果你想知道如何禁用笔记本电脑或台式机中的网络摄像头，那么你很幸运。这个简短的教程将告诉你如何做。请继续阅读。
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我在 Arch Linux 和 Ubuntu 上测试了这个指南。它的工作原理如下所述。我希望这也可以用在其他 Linux 发行版上。
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### 在 Linux 中禁用内置摄像头
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首先，使用如下命令找到网络摄像头驱动：
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```
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$ sudo lsmod | grep uvcvideo
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```
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**示例输出：**
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```
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uvcvideo 114688 1
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videobuf2_vmalloc 16384 1 uvcvideo
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videobuf2_v4l2 28672 1 uvcvideo
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videobuf2_common 53248 2 uvcvideo,videobuf2_v4l2
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videodev 208896 4 uvcvideo,videobuf2_common,videobuf2_v4l2
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media 45056 2 uvcvideo,videodev
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usbcore 286720 9 uvcvideo,usbhid,usb_storage,ehci_hcd,ath3k,btusb,uas,ums_realtek,ehci_pci
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```
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这里，**uvcvideo** 是我的网络摄像头驱动。
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现在，让我们禁用网络摄像头。
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为此，请编辑以下文件（如果文件不存在，只需创建它）：
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```
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$ sudo nano /etc/modprobe.d/blacklist.conf
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```
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添加以下行：
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```
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##Disable webcam.
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blacklist uvcvideo
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```
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**“##Disable webcam”** 这行不是必需的。为了便于理解，我添加了它。
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保存并退出文件。重启系统以使更改生效。
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要验证网络摄像头是否真的被禁用，请打开任何即时通讯程序或网络摄像头软件，如 Cheese 或 Guvcview。你会看到如下的空白屏幕。
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**Cheese 输出：**
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![][2]
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**Guvcview 输出：**
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![][3]
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看见了么？网络摄像头被禁用而无法使用。
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要启用它，请编辑：
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```
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$ sudo nano /etc/modprobe.d/blacklist.conf
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```
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注释掉你之前添加的行。
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```
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##Disable webcam.
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#blacklist uvcvideo
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```
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保存并关闭文件。然后，重启计算机以启用网络摄像头。
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这样够了吗？不。为什么？如果有人可以远程访问你的系统，他们可以轻松启用网络摄像头。所以，在不使用时用胶带覆盖它或者拔掉相机或者在 BIOS 中禁用它是一个不错的主意。此方法不仅用于禁用内置摄像头，还用于外部网络摄像头。
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就是这些了。希望对你有用。还有更好的东西。敬请关注！
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干杯!
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--------------------------------------------------------------------------------
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via: https://www.ostechnix.com/how-to-disable-built-in-webcam-in-ubuntu/
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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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[1]:data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7
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[2]:http://www.ostechnix.com/wp-content/uploads/2015/08/cheese.jpg
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[3]:http://www.ostechnix.com/wp-content/uploads/2015/08/guvcview.jpg
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