centos 7 连接WIFI连接不上
空格丶白 2019-05-20 10:51:10 初步接触centos7,网络连接参考了很多的帖子,没有成功,因为对这块没有一个去全面的了解,也不知道错在那里,下边是参考一个帖子连接wifi的详细情况,请各大佬给点操作意见;
[root@localhost tang]# dmesg | grep firmware
[ 4.739133] iwlwifi 0000:02:00.0: loaded firmware version 25.30.13.0 op_mode iwlmvm
[root@localhost tang]# iw dev
phy#0
Interface wlp2s0
ifindex 3
wdev 0x1
addr ac:7b:a1:11:8d:70
type managed
[root@localhost tang]# iw wlp2s0 link
Not connected.
[root@localhost tang]# iw wlp2s0 scan | grep SSID
command failed: Device or resource busy (-16)
[root@localhost tang]# ip link show wlp2s0
3: wlp2s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN mode DORMANT qlen 1000
link/ether ac:7b:a1:11:8d:70 brd ff:ff:ff:ff:ff:ff
[root@localhost tang]# ip addr show wlp2s0
3: wlp2s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN qlen 1000
[root@localhost tang]# wpa_supplicant -B -i wlp2s0 -c <(wpa_passphrase "TMYG""tm2931888")
Successfully initialized wpa_supplicant
dhclient wlp2s0
^C
[root@localhost tang]# ip addr show wlp2s0
3: wlp2s0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc mq state DOWN qlen 1000
link/ether ac:7b:a1:11:8d:70 brd ff:ff:ff:ff:ff:ff
inet6 fe80::ae7b:a1ff:fe11:8d70/64 scope link
valid_lft forever preferred_lft forever
[root@localhost tang]#