How to identify wifi network interfaces?

The name of the pictureThe name of the pictureThe name of the pictureClash Royale CLAN TAG#URR8PPP








up vote
0
down vote

favorite












How can I find a list of wifi interfaces that could be used by hostapd?



This doesn't work - I don't see my wifi interfaces listed:



☀ cat /etc/network/interfaces NewMod master
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback


This kind of works - but I can't see which are wireless (except they start with wl)



☀ ifconfig NewMod master
enp2s0f1 Link encap:Ethernet HWaddr 80:fa:5b:47:d3:a2 
 UP BROADCAST MULTICAST MTU:1500 Metric:1
 RX packets:0 errors:0 dropped:0 overruns:0 frame:0
 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

enx803f5d0cfb18 Link encap:Ethernet HWaddr 80:3f:5d:0c:fb:18 
 inet6 addr: fe80::c00b:310a:534f:34ea/64 Scope:Link
 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
 RX packets:1038940 errors:0 dropped:0 overruns:0 frame:0
 TX packets:733216 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:1257594637 (1.2 GB) TX bytes:78531977 (78.5 MB)

lo Link encap:Local Loopback 
 inet addr:127.0.0.1 Mask:255.0.0.0
 inet6 addr: ::1/128 Scope:Host
 UP LOOPBACK RUNNING MTU:65536 Metric:1
 RX packets:237623 errors:0 dropped:0 overruns:0 frame:0
 TX packets:237623 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:20683739 (20.6 MB) TX bytes:20683739 (20.6 MB)

wlp3s0 Link encap:Ethernet HWaddr b0:35:9f:2d:42:27 
 inet addr:192.168.0.18 Bcast:192.168.0.255 Mask:255.255.255.0
 inet6 addr: fe80::6b44:ffcf:8889:7f3d/64 Scope:Link
 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
 RX packets:8681955 errors:0 dropped:0 overruns:0 frame:0
 TX packets:4304922 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:10401603438 (10.4 GB) TX bytes:598603222 (598.6 MB)

wlxc4e984116e78 Link encap:Ethernet HWaddr c4:e9:84:11:6e:78 
 UP BROADCAST MULTICAST MTU:1500 Metric:1
 RX packets:0 errors:0 dropped:0 overruns:0 frame:0
 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)


Is there a better way than assuming interfaces starting with "wl" are wifi?



Bonus points for a quick explanation of why they don't show up in /etc/network/interfaces. For these extra interfaces, do they have reliable names between reboots?



Basically I want to provide a list of interfaces so someone can choose which to hostapd with.



Thanks!



Mike






networking hostapd







share|improve this question





















  • Nothing shows up in /etc/network/interfaces unless somebody put them there. The installer helpfully adds localhost and any configured ethernet interfaces, that's why they show up with additional action.
    – muru
    Feb 7 at 5:08














up vote
0
down vote

favorite












How can I find a list of wifi interfaces that could be used by hostapd?



This doesn't work - I don't see my wifi interfaces listed:



☀ cat /etc/network/interfaces NewMod master
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback


This kind of works - but I can't see which are wireless (except they start with wl)



☀ ifconfig NewMod master
enp2s0f1 Link encap:Ethernet HWaddr 80:fa:5b:47:d3:a2 
 UP BROADCAST MULTICAST MTU:1500 Metric:1
 RX packets:0 errors:0 dropped:0 overruns:0 frame:0
 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

enx803f5d0cfb18 Link encap:Ethernet HWaddr 80:3f:5d:0c:fb:18 
 inet6 addr: fe80::c00b:310a:534f:34ea/64 Scope:Link
 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
 RX packets:1038940 errors:0 dropped:0 overruns:0 frame:0
 TX packets:733216 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:1257594637 (1.2 GB) TX bytes:78531977 (78.5 MB)

lo Link encap:Local Loopback 
 inet addr:127.0.0.1 Mask:255.0.0.0
 inet6 addr: ::1/128 Scope:Host
 UP LOOPBACK RUNNING MTU:65536 Metric:1
 RX packets:237623 errors:0 dropped:0 overruns:0 frame:0
 TX packets:237623 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:20683739 (20.6 MB) TX bytes:20683739 (20.6 MB)

wlp3s0 Link encap:Ethernet HWaddr b0:35:9f:2d:42:27 
 inet addr:192.168.0.18 Bcast:192.168.0.255 Mask:255.255.255.0
 inet6 addr: fe80::6b44:ffcf:8889:7f3d/64 Scope:Link
 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
 RX packets:8681955 errors:0 dropped:0 overruns:0 frame:0
 TX packets:4304922 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:10401603438 (10.4 GB) TX bytes:598603222 (598.6 MB)

wlxc4e984116e78 Link encap:Ethernet HWaddr c4:e9:84:11:6e:78 
 UP BROADCAST MULTICAST MTU:1500 Metric:1
 RX packets:0 errors:0 dropped:0 overruns:0 frame:0
 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)


Is there a better way than assuming interfaces starting with "wl" are wifi?



Bonus points for a quick explanation of why they don't show up in /etc/network/interfaces. For these extra interfaces, do they have reliable names between reboots?



Basically I want to provide a list of interfaces so someone can choose which to hostapd with.



Thanks!



Mike






networking hostapd







share|improve this question





















  • Nothing shows up in /etc/network/interfaces unless somebody put them there. The installer helpfully adds localhost and any configured ethernet interfaces, that's why they show up with additional action.
    – muru
    Feb 7 at 5:08












up vote
0
down vote

favorite









up vote
0
down vote

favorite











How can I find a list of wifi interfaces that could be used by hostapd?



This doesn't work - I don't see my wifi interfaces listed:



☀ cat /etc/network/interfaces NewMod master
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback


This kind of works - but I can't see which are wireless (except they start with wl)



☀ ifconfig NewMod master
enp2s0f1 Link encap:Ethernet HWaddr 80:fa:5b:47:d3:a2 
 UP BROADCAST MULTICAST MTU:1500 Metric:1
 RX packets:0 errors:0 dropped:0 overruns:0 frame:0
 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

enx803f5d0cfb18 Link encap:Ethernet HWaddr 80:3f:5d:0c:fb:18 
 inet6 addr: fe80::c00b:310a:534f:34ea/64 Scope:Link
 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
 RX packets:1038940 errors:0 dropped:0 overruns:0 frame:0
 TX packets:733216 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:1257594637 (1.2 GB) TX bytes:78531977 (78.5 MB)

lo Link encap:Local Loopback 
 inet addr:127.0.0.1 Mask:255.0.0.0
 inet6 addr: ::1/128 Scope:Host
 UP LOOPBACK RUNNING MTU:65536 Metric:1
 RX packets:237623 errors:0 dropped:0 overruns:0 frame:0
 TX packets:237623 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:20683739 (20.6 MB) TX bytes:20683739 (20.6 MB)

wlp3s0 Link encap:Ethernet HWaddr b0:35:9f:2d:42:27 
 inet addr:192.168.0.18 Bcast:192.168.0.255 Mask:255.255.255.0
 inet6 addr: fe80::6b44:ffcf:8889:7f3d/64 Scope:Link
 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
 RX packets:8681955 errors:0 dropped:0 overruns:0 frame:0
 TX packets:4304922 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:10401603438 (10.4 GB) TX bytes:598603222 (598.6 MB)

wlxc4e984116e78 Link encap:Ethernet HWaddr c4:e9:84:11:6e:78 
 UP BROADCAST MULTICAST MTU:1500 Metric:1
 RX packets:0 errors:0 dropped:0 overruns:0 frame:0
 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)


Is there a better way than assuming interfaces starting with "wl" are wifi?



Bonus points for a quick explanation of why they don't show up in /etc/network/interfaces. For these extra interfaces, do they have reliable names between reboots?



Basically I want to provide a list of interfaces so someone can choose which to hostapd with.



Thanks!



Mike






networking hostapd







share|improve this question













How can I find a list of wifi interfaces that could be used by hostapd?



This doesn't work - I don't see my wifi interfaces listed:



☀ cat /etc/network/interfaces NewMod master
# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback


This kind of works - but I can't see which are wireless (except they start with wl)



☀ ifconfig NewMod master
enp2s0f1 Link encap:Ethernet HWaddr 80:fa:5b:47:d3:a2 
 UP BROADCAST MULTICAST MTU:1500 Metric:1
 RX packets:0 errors:0 dropped:0 overruns:0 frame:0
 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)

enx803f5d0cfb18 Link encap:Ethernet HWaddr 80:3f:5d:0c:fb:18 
 inet6 addr: fe80::c00b:310a:534f:34ea/64 Scope:Link
 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
 RX packets:1038940 errors:0 dropped:0 overruns:0 frame:0
 TX packets:733216 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:1257594637 (1.2 GB) TX bytes:78531977 (78.5 MB)

lo Link encap:Local Loopback 
 inet addr:127.0.0.1 Mask:255.0.0.0
 inet6 addr: ::1/128 Scope:Host
 UP LOOPBACK RUNNING MTU:65536 Metric:1
 RX packets:237623 errors:0 dropped:0 overruns:0 frame:0
 TX packets:237623 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:20683739 (20.6 MB) TX bytes:20683739 (20.6 MB)

wlp3s0 Link encap:Ethernet HWaddr b0:35:9f:2d:42:27 
 inet addr:192.168.0.18 Bcast:192.168.0.255 Mask:255.255.255.0
 inet6 addr: fe80::6b44:ffcf:8889:7f3d/64 Scope:Link
 UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
 RX packets:8681955 errors:0 dropped:0 overruns:0 frame:0
 TX packets:4304922 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:10401603438 (10.4 GB) TX bytes:598603222 (598.6 MB)

wlxc4e984116e78 Link encap:Ethernet HWaddr c4:e9:84:11:6e:78 
 UP BROADCAST MULTICAST MTU:1500 Metric:1
 RX packets:0 errors:0 dropped:0 overruns:0 frame:0
 TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
 collisions:0 txqueuelen:1000 
 RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)


Is there a better way than assuming interfaces starting with "wl" are wifi?



Bonus points for a quick explanation of why they don't show up in /etc/network/interfaces. For these extra interfaces, do they have reliable names between reboots?



Basically I want to provide a list of interfaces so someone can choose which to hostapd with.



Thanks!



Mike






networking hostapd




networking hostapd






share|improve this question













share|improve this question











share|improve this question




share|improve this question










asked Feb 6 at 18:35









Michael Cole

402312




402312











  • Nothing shows up in /etc/network/interfaces unless somebody put them there. The installer helpfully adds localhost and any configured ethernet interfaces, that's why they show up with additional action.
    – muru
    Feb 7 at 5:08
















  • Nothing shows up in /etc/network/interfaces unless somebody put them there. The installer helpfully adds localhost and any configured ethernet interfaces, that's why they show up with additional action.
    – muru
    Feb 7 at 5:08















Nothing shows up in /etc/network/interfaces unless somebody put them there. The installer helpfully adds localhost and any configured ethernet interfaces, that's why they show up with additional action.
– muru
Feb 7 at 5:08




Nothing shows up in /etc/network/interfaces unless somebody put them there. The installer helpfully adds localhost and any configured ethernet interfaces, that's why they show up with additional action.
– muru
Feb 7 at 5:08










2 Answers
2






active

oldest

votes

















up vote
0
down vote













You can use iwconfig but iwconfig is depricated.



Now way is this:



iw dev | grep -Po '^sInterfacesK.*$'





share|improve this answer





























    up vote
    0
    down vote













    Look at inet address. Only device here that might be working wireless is wlp3s0. Others do not have external ipv4 address.



    Also look the hardware address . Compare with output from other system descriptors like lspci.






    share|improve this answer




















      Your Answer







      StackExchange.ready(function()
      var channelOptions =
      tags: "".split(" "),
      id: "89"
      ;
      initTagRenderer("".split(" "), "".split(" "), channelOptions);

      StackExchange.using("externalEditor", function()
      // Have to fire editor after snippets, if snippets enabled
      if (StackExchange.settings.snippets.snippetsEnabled)
      StackExchange.using("snippets", function()
      createEditor();
      );

      else
      createEditor();

      );

      function createEditor()
      StackExchange.prepareEditor(
      heartbeatType: 'answer',
      convertImagesToLinks: true,
      noModals: false,
      showLowRepImageUploadWarning: true,
      reputationToPostImages: 10,
      bindNavPrevention: true,
      postfix: "",
      onDemand: true,
      discardSelector: ".discard-answer"
      ,immediatelyShowMarkdownHelp:true
      );



      );













       

      draft saved


      draft discarded


















      StackExchange.ready(
      function ()
      StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2faskubuntu.com%2fquestions%2f1003644%2fhow-to-identify-wifi-network-interfaces%23new-answer', 'question_page');

      );

      Post as a guest

















      2 Answers
      2






      active

      oldest

      votes








      2 Answers
      2






      active

      oldest

      votes









      active

      oldest

      votes






      active

      oldest

      votes








      up vote
      0
      down vote













      You can use iwconfig but iwconfig is depricated.



      Now way is this:



      iw dev | grep -Po '^sInterfacesK.*$'





      share|improve this answer


























        up vote
        0
        down vote













        You can use iwconfig but iwconfig is depricated.



        Now way is this:



        iw dev | grep -Po '^sInterfacesK.*$'





        share|improve this answer
























          up vote
          0
          down vote










          up vote
          0
          down vote









          You can use iwconfig but iwconfig is depricated.



          Now way is this:



          iw dev | grep -Po '^sInterfacesK.*$'





          share|improve this answer














          You can use iwconfig but iwconfig is depricated.



          Now way is this:



          iw dev | grep -Po '^sInterfacesK.*$'






          share|improve this answer














          share|improve this answer



          share|improve this answer








          edited Feb 6 at 19:45

























          answered Feb 6 at 18:39









          Michael Cole

          402312




          402312






















              up vote
              0
              down vote













              Look at inet address. Only device here that might be working wireless is wlp3s0. Others do not have external ipv4 address.



              Also look the hardware address . Compare with output from other system descriptors like lspci.






              share|improve this answer
























                up vote
                0
                down vote













                Look at inet address. Only device here that might be working wireless is wlp3s0. Others do not have external ipv4 address.



                Also look the hardware address . Compare with output from other system descriptors like lspci.






                share|improve this answer






















                  up vote
                  0
                  down vote










                  up vote
                  0
                  down vote









                  Look at inet address. Only device here that might be working wireless is wlp3s0. Others do not have external ipv4 address.



                  Also look the hardware address . Compare with output from other system descriptors like lspci.






                  share|improve this answer












                  Look at inet address. Only device here that might be working wireless is wlp3s0. Others do not have external ipv4 address.



                  Also look the hardware address . Compare with output from other system descriptors like lspci.







                  share|improve this answer












                  share|improve this answer



                  share|improve this answer










                  answered Feb 7 at 5:01









                  pauljohn32

                  2,059719




                  2,059719



























                       

                      draft saved


                      draft discarded















































                       


                      draft saved


                      draft discarded














                      StackExchange.ready(
                      function ()
                      StackExchange.openid.initPostLogin('.new-post-login', 'https%3a%2f%2faskubuntu.com%2fquestions%2f1003644%2fhow-to-identify-wifi-network-interfaces%23new-answer', 'question_page');

                      );

                      Post as a guest
































































                      -

                      Popular posts from this blog

                      How do so many people here on Academia.SE, and in general, afford lavish higher education programs?

                      Image
                      Clash Royale CLAN TAG #URR8PPP up vote 45 down vote favorite 7 I graduated last year with a BS in Computer Science. I do not come from a particularly wealthy family, (very low middle class), and was only able to afford my education via school loans/scholarships and working low-wage jobs, with no support from my family or anyone else. I realize some scholarship/loan programs extend into grad school. But I don't think those cover all costs. Now I'm lucky enough to have a decent-paying salary in industry, along with benefits and living on my own, and I'm thinking one day (sooner rather than later) I'd like to try my hand at research or continue my degree, but these things cost money, in addition to my regular living expenses. I read posts here often about academic people being in positions of choosing between these crazy research grad programs, some in Japan, or Ireland (while they currently live in the U.S./U.K.) then moving around between countries/universit...
                      Read more

                      Unable to upgrade pip

                      Image
                      Clash Royale CLAN TAG #URR8PPP up vote 15 down vote favorite 3 I am new to Linux and Ubuntu. I was trying to upgrade pip but ran into this... $ sudo pip install --upgrade pip Cannot fetch index base URL https://pypi.python.org/simple/ Downloading/unpacking pip from https://pypi.python.org/packages/py2.py3/p/pip/pip-7.1.0-py2.py3-none-any.whl#md5=b108384a762825ec20345bb9b5b7209f Downloading pip-7.1.0-py2.py3-none-any.whl (1.1MB): 1.1MB downloaded Installing collected packages: pip Found existing installation: pip 1.5.4 Not uninstalling pip at /usr/lib/python2.7/dist-packages, owned by OS Successfully installed pip Cleaning up... Any idea why? upgrade python share | improve this question edited Aug 29 '17 at 23:52 Zanna 48k 13 119 228 asked Jul 5 '15 at 23:13 Spencer Lee 78 1 1 4 2 try apt i.e. sudo apt-get install python-pip to upgrade pip – heemayl Jul 5 '15 at 23:15 hmmm... s...
                      Read more

                      Cutting all the characters after the last /

                      Image
                      Clash Royale CLAN TAG #URR8PPP up vote 8 down vote favorite 1 How do I cut all characters after the last '/'? This text xxxx/x/xx/xx/xxxx/x/yyyyy xxx/xxxx/xxxxx/yyy should return xxxx/x/xx/xx/xxxx/x xxx/xxxx/xxxxx command-line text-processing share | improve this question edited Feb 28 at 3:57 muru 130k 19 274 467 asked Feb 27 at 15:27 Josef Klimuk 542 1 12 4 Are you trying to omit or isolate the characters after the last / ? – dsstorefile1 Feb 27 at 15:34 Good question, I just realised that we didn't understand the question the same way – Félicien Feb 27 at 15:35 3 The commands basename and dirname do this already. – Michael Hampton Feb 28 at 0:49 I don't think edit #5 to the question was correct. Using the word "cut" might be ambiguous; if you cut something, do you throw away that part...
                      Read more