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When I run the command ifconfig in the terminal, I get three results: lo, virbr0, wlo1.

  • What is wlo1? Is it useful?
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  • 1
    Presumably your wireless card. Add the output of iwconfig and sudo lshw -C network to the post, please.
    – muru
    Jul 6, 2018 at 4:47

1 Answer 1

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wlo1 is a wireless network interface (NIC). You can use the command iwlist scan to scan the wireless NICs for available WiFi SSIDs.

Examples

iw is the preferred tool when querying WiFi devices. You can also use NetworkManager's CLI tool, nmcli, or if you're on an older version of Linux, use iwlist.

iw 
$ iw dev wlan0 scan
BSS 15:cd:10:e4:26:39(on wlan0)
        TSF: 0 usec (0d, 00:00:00)
        freq: 2412
        beacon interval: 100 TUs
        capability: ESS Privacy ShortPreamble ShortSlotTime RadioMeasure (0x1431)
        signal: -8.00 dBm
        last seen: 0 ms ago
        SSID: bill_fi_the_science_wi
        Supported rates: 1.0* 2.0* 5.5* 11.0* 18.0 24.0 36.0 54.0
        DS Parameter set: channel 1
        TIM: DTIM Count 0 DTIM Period 1 Bitmap Control 0x0 Bitmap[0] 0x0
        ERP: <no flags>
        ERP D4.0: <no flags>
        RSN:     * Version: 1
                 * Group cipher: CCMP
                 * Pairwise ciphers: CCMP
                 * Authentication suites: PSK
...
iwlist (older cli) 
$ iwlist scan
enp2s0    Interface doesn't support scanning.

lo        Interface doesn't support scanning.

enxfcde56ff0106  Interface doesn't support scanning.

wlo1      Scan completed :
          Cell 01 - Address: C8:D7:79:50:D4:03
                    Channel:1
                    Frequency:2.412 GHz (Channel 1)
                    Quality=62/70  Signal level=-48 dBm  
                    Encryption key:on
                    ESSID:"hermes"
                    Bit Rates:1 Mb/s; 2 Mb/s; 5.5 Mb/s; 11 Mb/s; 6 Mb/s
                              9 Mb/s; 12 Mb/s; 18 Mb/s
                    Bit Rates:24 Mb/s; 36 Mb/s; 48 Mb/s; 54 Mb/s
                    Mode:Master
                    Extra:tsf=000000150d484187
                    Extra: Last beacon: 7724ms ago
                    IE: Unknown: 00066865726D6573
                    IE: Unknown: 010882848B960C121824
                    IE: Unknown: 030101
                    IE: Unknown: 050400010000
                    IE: Unknown: 2A0104
                    IE: Unknown: 32043048606C
                    IE: Unknown: 2D1A2C101FFFFF000000000000000000000000000000000000000000
                    IE: Unknown: 3D1601000000000000000000000000000000000000000000
                    IE: IEEE 802.11i/WPA2 Version 1
                        Group Cipher : TKIP
                        Pairwise Ciphers (2) : TKIP CCMP
                        Authentication Suites (1) : PSK
                    IE: Unknown: DD180050F2020101000003A4000027A4000042435E0062322F00
                    IE: Unknown: DD1E00904C332C101FFFFF000000000000000000000000000000000000000000
                    IE: Unknown: DD1A00904C3401000000000000000000000000000000000000000000
                    IE: Unknown: DD0600E04C020160

References

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  • BTW, iwlist etc. are the old tools, the newer tool is iw. Some features will only be accessible via iw.
    – dirkt
    Jul 6, 2018 at 6:43
  • @dirkt - ah thanks, didn't know that, I'll add an example of that too.
    – slm ♦
    Jul 6, 2018 at 6:44

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