Preliminary contact centos7, network connection reference a lot of posts, not succeed, because there is no one to on the comprehensive understanding, also don't know where I went wrong, here's the reference a post connection details of the wifi, please give point operation;
[root @ localhost tang] # dmesg | grep firmware
0000: [4.739133] iwlwifi 2:00. 0: the loaded the firmware version 25.30.13.0 op_mode iwlmvm
[root @ localhost tang] # iw dev
Phy# 0
Interface wlp2s0
Ifindex 3
Wdev 0 x1
Addr ac: 7 b: a1:8 d: 70
Type managed
[root @ localhost tang] # iw wlp2s0 link
Not connected.
[root @ localhost tang] # iw wlp2s0 scan | grep SSID
The command failed: Device or resource busy (16)
[root @ localhost tang] # IP link show wlp2s0
3: wlp2s0: & lt; NO - CARRIER, BROADCAST, MULTICAST, UP> Mtu 1500 qdisc mq state DOWN mode DORMANT qlen 1000
The link/Mr Ac: 7 b: a1:8 d: 70 BRD ff: ff: ff: ff: ff: ff
[root @ localhost tang] # IP addr show wlp2s0
3: wlp2s0: & lt; NO - CARRIER, BROADCAST, MULTICAST, UP> Mtu 1500 qdisc mq state DOWN qlen 1000
[root @ localhost tang] # wpa_supplicant - B - I wlp2s0 - c & lt; (wpa_passphrase "TMYG" "tm2931888")
Successfully initialized wpa_supplicant
Dhclient wlp2s0
^ C
[root @ localhost tang] # IP addr show wlp2s0
3: wlp2s0: & lt; NO - CARRIER, BROADCAST, MULTICAST, UP> Mtu 1500 qdisc mq state DOWN qlen 1000
The link/Mr Ac: 7 b: a1:8 d: 70 BRD ff: ff: ff: ff: ff: ff
Inet6 fe80: : ae7b: a1ff: fe11:8 d70/64 scope link
Valid_lft forever preferred_lft forever
[root @ localhost tang] #

CodePudding user response:

Someone give some advice, good to find a direction to rule out

CodePudding user response:

Done ,,,,,,,,,,,,

CodePudding user response:

Try more, on their own can solve most problems

CodePudding user response:

How to set?