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English 0 0 0 0 0 0 0
Chinese (Simplified Han script) 55% 19 928 6,157 2 0 0 0
French 0 0 0 0 0 0 0
Portuguese (Brazil) 0 0 0 0 0 0 0
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Project website www.linuxfromscratch.org
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Source code repository git@git.linuxfromscratch.org:fr-lfs
Repository branch 12.1
Last remote commit Add pt_BR translation e751a3b16e
Julien Lepiller authored 5 months ago
Weblate repository https://translate.linuxfromscratch.org/git/linux-from-scratch-12-1/index/
File mask lfs/*/chapter09/symlinks.po
yesterday

String statistics

Strings percent Hosted strings Words percent Hosted words Characters percent Hosted characters
Total 172 6,264 44,248
Source 43 1,566 11,062
Translated 88% 153 85% 5,336 86% 38,091
Needs editing 9% 17 13% 845 12% 5,454
Read-only 25% 43 25% 1,566 25% 11,062
Failing checks 0% 0 0% 0 0% 0
Strings with suggestions 0% 0 0% 0 0% 0
Untranslated strings 1% 2 1% 83 1% 703
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Alert triggered
Repository has changes. 5 months ago
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Resource updated
File “lfs/zh_CN/chapter09/symlinks.po” was added. 8 months ago
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String updated in the repository
The result is that <filename>/dev/video0</filename> and <filename>/dev/video1</filename> devices still refer randomly to the tuner and the web camera (and thus should never be used directly), but there are symlinks <filename>/dev/tvtuner</filename> and <filename>/dev/webcam</filename> that always point to the correct device.
结果是，<filename>/dev/video0</filename> 和 <filename>/dev/video1</filename> 仍然会随机指向电视棒和摄像头 (因此不应直接使用它们)，但符号链接 <filename>/dev/tvtuner</filename> 和 <filename>/dev/webcam</filename> 总会指向正确设备。
8 months ago
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String updated in the repository
<userinput>cat &gt; /etc/udev/rules.d/83-duplicate_devs.rules &lt;&lt; "EOF"
<literal>
# Persistent symlinks for webcam and tuner
KERNEL=="video*", ATTRS{idProduct}=="1910", ATTRS{idVendor}=="0d81", SYMLINK+="webcam"
KERNEL=="video*", ATTRS{device}=="0x036f", ATTRS{vendor}=="0x109e", SYMLINK+="tvtuner"
</literal>
EOF</userinput>
<userinput>cat &gt; /etc/udev/rules.d/83-duplicate_devs.rules &lt;&lt; "EOF"
<literal>
# 摄像头和电视棒的持久化符号链接
KERNEL=="video*", ATTRS{idProduct}=="1910", ATTRS{idVendor}=="0d81", SYMLINK+="webcam"
KERNEL=="video*", ATTRS{device}=="0x036f", ATTRS{vendor}=="0x109e", SYMLINK+="tvtuner"
</literal>
EOF</userinput>
8 months ago
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String updated in the repository
Then write rules that create the symlinks, e.g.:
然后编写创建符号链接的规则，例如：
8 months ago
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String updated in the repository
<userinput>udevadm info -a -p /sys/class/video4linux/video0</userinput>
<userinput>udevadm info -a -p /sys/class/video4linux/video0</userinput>
8 months ago
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String updated in the repository
For each of your devices that is likely to have this problem (even if the problem doesn't exist in your current Linux distribution), find the corresponding directory under <filename class="directory">/sys/class</filename> or <filename class="directory">/sys/block</filename>. For video devices, this may be <filename class="directory">/sys/class/video4linux/video<replaceable>X</replaceable></filename>. Figure out the attributes that identify the device uniquely (usually, vendor and product IDs and/or serial numbers work):
对于您的每个可能有这类问题的设备 (即使在您当前使用的 Linux 发行版上并没有问题)，找到 <filename class="directory">/sys/class</filename> 或 <filename class="directory">/sys/block</filename> 中的对应目录。对于视频设备，目录可能是 <filename class="directory"> /sys/class/video4linux/video<replaceable>X</replaceable></filename>。找出能够唯一确认该设备的属性 (通常是厂商和产品 ID，或者序列号)：
8 months ago
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String updated in the repository
As explained in <xref linkend="ch-config-udev"/>, the order in which devices with the same function appear in <filename class="directory">/dev</filename> is essentially random. E.g., if you have a USB web camera and a TV tuner, sometimes <filename>/dev/video0</filename> refers to the camera and <filename>/dev/video1</filename> refers to the tuner, and sometimes after a reboot the order changes. For all classes of hardware except sound cards and network cards, this is fixable by creating udev rules to create persistent symlinks. The case of network cards is covered separately in <xref linkend="ch-config-network"/>, and sound card configuration can be found in <ulink url="&blfs-book;postlfs/devices.html">BLFS</ulink>.
正如<xref linkend="ch-config-udev"/>中所述，那些功能相同的设备在 <filename class="directory">/dev</filename> 中的顺序是随机的。例如，如果您有一个 USB 摄像头和一个电视棒，有时 <filename>/dev/video0</filename> 会指向摄像头，<filename>/dev/video1</filename> 指向电视棒，而有时在重启后这个顺序正好颠倒过来。对于所有除了声卡和网卡以外的设备，该问题都可以通过创建自定义持久化符号链接的 Udev 规则来解决。对于网卡的解决方案在<xref linkend="ch-config-network"/>中单独描述，而声卡配置可以在 <ulink url="&blfs-book;postlfs/devices.html">BLFS</ulink> 中找到。
8 months ago
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Source string changed
As explained in <xref linkend="ch-config-udev"/>, the order in which devices with the same function appear in <filename class="directory">/dev</filename> is essentially random. E.g., if you have a USB web camera and a TV tuner, sometimes <filename>/dev/video0</filename> refers to the camera and <filename>/dev/video1</filename> refers to the tuner, and sometimes after a reboot the order changes. For all classes of hardware except sound cards and network cards, this is fixable by creating udev rules for customto create persistent symlinks. The case of network cards is covered separately in <xref linkend="ch-config-network"/>, and sound card configuration can be found in <ulink url="&blfs-book;postlfs/devices.html">BLFS</ulink>.
8 months ago
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String updated in the repository
Dealing with Duplicate Devices
处理重复设备
8 months ago
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