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Phải chạy lệnh wifi-menu 2 lần



Tháo cable để vô hiệu enp3s0 rồi gõ:

[[email protected] cobh]# wifi-menu
:: Scanning for networks                                               [ DONE ] 
Select the network you wish to use             │  
              │ Flags description:                             │  
              │  * - handmade profile present                  │  
              │  + - automatically generated profile present   │  
              │  - - no profile present                        │  
              │  ! - active connection present                 │  
              │ ┌────────────────────────────────────────────┐ │  
              │ │          VANTHUVN  - wpa     -63           │ │  
              │ │          copmoon   + wpa     -79           │ │  
              │ │          NGOCSON   - wpa2    -87 

:: wlp2s0-copmoon up                                                   [ BUSY ] Successfully initialized wpa_supplicant
chown[ctrl_interface]: No such file or directory
Failed to initialize control interface '/run/wpa_supplicant'.
You may have another wpa_supplicant process already running or the file was
left by an unclean termination of wpa_supplicant in which case you will need
to manually remove this file before starting wpa_supplicant again.

 > wpa_supplicant did not start, possible configuration error
                                                                       [FAILED]

Phèo! Lại chạy lần nữa coi sao:

[[email protected] cobh]# wifi-menu
:: Scanning for networks                                               [ DONE ] 
Select the network you wish to use             │  
              │ Flags description:                             │  
              │  * - handmade profile present                  │  
              │  + - automatically generated profile present   │  
              │  - - no profile present                        │  
              │  ! - active connection present                 │  
              │ ┌────────────────────────────────────────────┐ │  
              │ │          VANTHUVN  - wpa     -74           │ │  
              │ │          copmoon   + wpa     -80           │ │  
              │ │          NGOCSON   - wpa2    -86   

:: wlp2s0-copmoon up                                                   [ BUSY ] Successfully initialized wpa_supplicant
                                                                       [ DONE ]
Thì có wifi ngon lành!

Câu hỏi: Tại sao phải đến lần thứ 2 hệ thống mới nhận ra hè?
Tại mấy con số 74 - 80 - 86 chăng?