如何解決centos7找不到無線網

如何解決centos7找不到無線網

如何解決centos7找不到無線網?

1.切換到超級用戶

[Oscar@localhost?桌面]$?su?root

2.查詢可用的無線網卡,其中紅色為網卡號

[Oscar@localhost?桌面]$?iw?dev phy#0 ???Interface?wlp2s0 ???????ifindex?3 ???????wdev?0x1 ???????addr?a4:db:30:84:4b:1c ???????type?managed

注意,如果成功連接網絡的話,應該是下面這樣子的, ssid就是廣播信道名稱,也就是你的無線網絡信號呀,廣播信道就是最后一個

[root@localhost?桌面]#?iw?dev phy#0 ???Interface?wlp2s0 ???????ifindex?3 ???????wdev?0x1 ???????addr?a4:db:30:84:4b:1c ???????ssid?liylr ???????type?managed ???????channel?11?(2462?MHz),?width:?40?MHz,?center1:?2452?MHz

3.啟用無線卡

[root@localhost?Oscar]#?ip?link?set?wlp2s0?up

4.查看無線網卡連接情況

[Oscar@localhost?桌面]$?iw?wlp2s0?link Not?connected.????(表示沒有任何連接)

5.查看所有可用的無線網絡信號

[root@localhost?桌面]#?iw?wlp2s0?scan?|?grep?SSID ???SSID:?USER-20150101NS_Network_2 ????SSID:?Tenda_17BEF8 ????SSID:?PC-20140723DBVC_Network_1 ????SSID:?123 ????SSID:?Tenda_0A6410 ????SSID:?xiaohui ????SSID:?Tenda_51E4F0 ????SSID:?Nobody?Can ????SSID:?TP-LINK_3C479 ????SSID:?FUCK?YOU ????SSID:?Tenda_046260 ????SSID:?Tenda_188E80 ????SSID:?liylr ????SSID:?XIAORUAN

6.連接無線網

[root@localhost?桌面]#?wpa_supplicant?-B?-i?wlp2s0?-c?<p>注意:其中liylr為要連接到的wifi信號,useradmin為無線網絡的密碼,請讀者替換即可。</p><p><strong>7.分配IP地址(通過dhclient控制網卡進行網絡操作獲取IP)</strong></p><pre class="brush:php;toolbar:false">[root@localhost?桌面]#?dhclient?wlp2s0

8.查看無線網卡地址信息,有ip地址表示網絡連接成功了,可以上網沖浪咯

[root@localhost?桌面]#?ip?addr?show?wlp2s03:?wlp2s0:?<broadcast>?mtu?1500?qdisc?mq?state?UP?qlen?1000 ????link/ether?a4:db:30:84:4b:1c?brd?ff:ff:ff:ff:ff:ff ????inet?192.168.1.101/24?brd?192.168.1.255?scope?global?dynamic?wlp2s0 ??????valid_lft?7195sec?preferred_lft?7195sec ????inet6?fe80::a6db:30ff:fe84:4b1c/64?scope?link ??????valid_lft?forever?preferred_lft?forever</broadcast>

相關參考:centOS教程

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