安装Arch Linux时WiFi无法连接?

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silen...@outlook.com

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Jul 30, 2015, 8:57:51 AM7/30/15
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连接之前确定无线网卡已经启用。直接使用wifi-menu来连接,结果失败:(
查看日志,原因是“The interface of network profile "bulabula..." is already up",然后就退出了...
但实际上百度之类的网站ping不通啊,怎么破?

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Justin Wong

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Jul 30, 2015, 9:00:38 AM7/30/15
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那就先 netctl stop bulabula 再连

错误原因很可能不是这个,你是不是第一次链接失败之后又连了一次什么的?

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Justin Wong

XIAO Qi

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Jul 30, 2015, 9:57:25 AM7/30/15
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2015-07-30 21:00 GMT+08:00 Justin Wong <justi...@gmail.com>:
> 那就先 netctl stop bulabula 再连
>

应该要 netctl stop-all 吧 ╮( ̄▽ ̄")╭
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肖骐 XIAO Qi

Kai Jia

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Jul 30, 2015, 11:02:44 AM7/30/15
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貌似需要ifconfig xxx down吧

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Justin Wong

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Jul 30, 2015, 11:05:08 AM7/30/15
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Arch的话,默认应该没有ifconfig

ip link set dev xxx down


杨圣

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Jul 30, 2015, 11:39:04 AM7/30/15
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为了确认网络连通性,建议ping个8.8.8.8或者166.111.8.28排 除一下dns的问题。netctl的配置在/etc/netctl/目录里。
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silen...@outlook.com

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Jul 30, 2015, 11:52:26 AM7/30/15
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不用wifi-menu,改用wpa_supplicant成功连上了,但是不知道为什么😶。netctl stop-all之后重新用wifi-menu连接WiFi,还是不行,日志记录原因一样。

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Bill Ryan

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Jul 30, 2015, 8:36:44 PM7/30/15
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用 wifi-menu 连接 Wi-Fi 后应该会有相应的配置文件生成,检查相应的配置文件,然后用 netctl 配合那个配置文件连接试试。

另外你的网络类型是? 802.1x? 如果是802.1x 认证的话似乎并不能用 wifi-menu,需要改下配置文件。
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silen...@outlook.com

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Jul 31, 2015, 3:12:47 AM7/31/15
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WiFi类型就是普通的802.1n。用netctl start <profile-name>试过,仍然失败。唉,不管了,现在能连就行了。

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Yuxin Wu

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Jul 31, 2015, 3:20:26 AM7/31/15
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​先ifconfig xxx down (e.g. sudo ifconfig wlan0 down
再netctl start
开哥是正解..​

Yuxin Wu
Department of Computer Science & Technology
Tsinghua University

Wang Shanker

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Jul 31, 2015, 4:19:44 AM7/31/15
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我大概翻了翻 netctl 的代码,感觉还是很赞的,netctl 的 up down 状态是直接与 interface 连接的 up down 关联的,不像 ifup/ifdown, 自己维护了一个状态,与 interface 的 up/down 不同步。
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