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PRF&PUB:20171213 How to configure wireless wake-on-lan for Linux WiFi card.md
@lujun9972
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如何为 Linux 无线网卡配置无线唤醒功能
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======
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我有一台用于备份我的所有设备的网络存储(NAS)服务器。然而当我备份我的 Linux 笔记本时遇到了困难。当它休眠或挂起时我不能备份它。当我使用基于 Intel 的无线网卡时,我可以配置笔记本上的 WiFi 接受无线唤醒吗?
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<ruby>[网络唤醒][2]<rt>Wake-on-LAN</rt></ruby>(WOL)是一个以太网标准,它允许服务器通过一个网络消息而被打开。你需要发送一个“魔法数据包”到支持网络唤醒的以太网卡和主板,以便打开被唤醒的系统。
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[![linux-configire-wake-on-wireless-lan-wowlan][1]][1]
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<ruby>无线唤醒<rt>wireless wake-on-lan</rt></ruby>(WoWLAN 或 WoW)允许 Linux 系统进入低耗电模式的情况下保持无线网卡处于激活状态,依然与热点连接。这篇教程演示了如何在一台安装无线网卡的 Linux 笔记本或桌面电脑上启用 WoWLAN / WoW 模式。
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> 请注意,不是所有的无线网卡和 Linux 驱动程序都支持 WoWLAN。
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### 语法
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在 Linux 系统上,你需要使用 `iw` 命令来查看和操作无线设备及其配置。 其格式为:
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```
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iw command
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iw [options] command
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```
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### 列出所有的无线设备及其功能
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输入下面命令:
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```
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$ iw list
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$ iw list | more
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$ iw dev
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```
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输出为:
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```
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phy#0
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Interface wlp3s0
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ifindex 3
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wdev 0x1
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addr 6c:88:14:ff:36:d0
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type managed
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channel 149 (5745 MHz),width: 40 MHz, center1: 5755 MHz
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txpower 15.00 dBm
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```
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请记下这个 `phy0`。
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### 查看无线唤醒的当前状态
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打开终端并输入下面命令来查看无线网络的状态:
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```
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$ iw phy0 wowlan show
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```
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输出为:
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```
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WoWLAN is disabled
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```
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### 如何启用无线唤醒
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启用的语法为:
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`sudo iw phy {phyname} wowlan enable {option}`
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其中,
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1. `{phyname}` - 使用 `iw dev` 来获取其物理名。
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2. `{option}` - 可以是 `any`、`disconnect`、`magic-packet` 等。
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比如,我想为 `phy0` 开启无线唤醒:
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```
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$ sudo iw phy0 wowlan enable any
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```
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或者:
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```
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$ sudo iw phy0 wowlan enable magic-packet disconnect
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```
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检查一下:
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```
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$ iw phy0 wowlan show
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```
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结果为:
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```
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WoWLAN is enabled:
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* wake up on disconnect
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* wake up on magic packet
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```
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### 测试一下
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将你的笔记本挂起或者进入休眠模式:
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```
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$ sudo sh -c 'echo mem > /sys/power/state'
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```
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从 NAS 服务器上使用 [ping 命令][3] 发送 ping 请求
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```
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$ ping your-laptop-ip
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```
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也可以 [使用 `wakeonlan` 命令发送魔法数据包][4]:
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```
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$ wakeonlan laptop-mac-address-here
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$ etherwake MAC-Address-Here
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```
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### 如何禁用无线唤醒?
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语法为:
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```
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$ sudo phy {phyname} wowlan disable
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$ sudo phy0 wowlan disable
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```
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更多信息请阅读 `iw` 命令的 man 页:
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```
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$ man iw
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$ iw --help
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```
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--------------------------------------------------------------------------------
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via: https://www.cyberciti.biz/faq/configure-wireless-wake-on-lan-for-linux-wifi-wowlan-card/
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作者:[Vivek Gite][a]
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译者:[lujun9972](https://github.com/lujun9972)
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校对:[wxy](https://github.com/wxy)
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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://twitter.com/nixcraft
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[1]: https://www.cyberciti.biz/media/new/faq/2017/12/linux-configire-wake-on-wireless-lan-wowlan.jpg
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[2]: https://www.cyberciti.biz/tips/linux-send-wake-on-lan-wol-magic-packets.html
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[3]: https://www.cyberciti.biz/faq/unix-ping-command-examples/ (See Linux/Unix ping command examples for more info)
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[4]: https://www.cyberciti.biz/faq/apple-os-x-wake-on-lancommand-line-utility/
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@ -1,116 +0,0 @@
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如何为 Linux 无线网卡配置无线唤醒功能
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======
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[![linux-configire-wake-on-wireless-lan-wowlan][1]][1]
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无线唤醒 (WoWLAN or WoW) 允许 Linux 系统进入低耗电模式的情况下保持无线网卡处于激活状态依然与热点连接。这篇教程演示了如何在一台安装无线网卡的 Linux 笔记本或桌面电脑上启用 WoWLAN / WoW 模式。
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请注意,不是所有的无线网卡和 Linux 驱动程序都支持 WoWLAN。
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## 语法
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在 Linux 系统上,你需要使用 iw 命令来查看和操作无线设备及其配置。 其 syntax 为:
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```
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iw command
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iw [options] command
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```
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## 列出所有的无线设备及其功能
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输入下面命令:
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```
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$ iw list
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$ iw list | more
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$ iw dev
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```
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输出为:
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```
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phy#0
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Interface wlp3s0
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ifindex 3
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wdev 0x1
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addr 6c:88:14:ff:36:d0
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type managed
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channel 149 (5745 MHz),width: 40 MHz, center1: 5755 MHz
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txpower 15.00 dBm
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```
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请记下这个 phy0。
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## 查看 wowlan 的当前状态
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打开终端并输入下面命令来查看无线网络的状态:
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```
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$ iw phy0 wowlan show
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```
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输出为:
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```
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WoWLAN is disabled
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```
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## 如何启用 wowlan
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启用的语法为:
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`sudo iw phy {phyname} wowlan enable {option}`
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其中,
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1。{phyname} - 使用 iw dev 来获取 phy 的名字。
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2。{option} - 可以是 any, disconnect, magic-packet 等。
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比如,我想为 phy0 开启 wowlan:
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`$ sudo iw phy0 wowlan enable any`
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或者
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`$ sudo iw phy0 wowlan enable magic-packet disconnect`
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检查一下:
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`$ iw phy0 wowlan show`
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结果为:
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```
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WoWLAN is enabled:
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* wake up on disconnect
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* wake up on magic packet
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```
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## 测试一下
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将你的笔记本挂起或者进入休眠模式,然后从 NAS 服务器上发送 ping 请求或 magic packet:
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`$ sudo sh -c 'echo mem > /sys/power/state'`
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从 NAS 服务器上使用 [ping command][3] 发送 ping 请求
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`$ ping your-laptop-ip`
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也可以 [使用 wakeonlan 命令发送 magic packet][4]:
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```
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$ wakeonlan laptop-mac-address-here
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$ etherwake MAC-Address-Here
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```
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## 如何禁用 WoWLAN?
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语法为:
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```
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$ sudo phy {phyname} wowlan disable
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$ sudo phy0 wowlan disable
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```
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更多信息请阅读 iw 命令的 man 页:
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```
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$ man iw
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$ iw --help
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```
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--------------------------------------------------------------------------------
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via: https://www.cyberciti.biz/faq/configure-wireless-wake-on-lan-for-linux-wifi-wowlan-card/
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作者:[Vivek Gite][a]
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译者:[lujun9972](https://github.com/lujun9972)
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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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||||
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[a]:https://twitter.com/nixcraft
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[1] https://www.cyberciti.biz/media/new/faq/2017/12/linux-configire-wake-on-wireless-lan-wowlan.jpg
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[2] https://www.cyberciti.biz/tips/linux-send-wake-on-lan-wol-magic-packets.html
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[3] //www.cyberciti.biz/faq/unix-ping-command-examples/ (See Linux/Unix ping command examples for more info)
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[4] https://www.cyberciti.biz/faq/apple-os-x-wake-on-lancommand-line-utility/
|
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