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Thread: Cannot connect to internet after 12.04 install

  1. #1
    Join Date
    Nov 2010
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    31

    Cannot connect to internet after 12.04 install

    Hello,

    I'm having problems connecting to the internet after install Ubuntu 12.04, I can confirm that there is nothing wrong with my router. I have a ethernet cable connect to my Ubuntu machine and all worked fine in the previous release of Ubuntu.

    But for some reason with this release, its causing me problems.

    Any help appreciated.

    Regards,
    Stephen

  2. #2
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    29,807
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: Cannot connect to internet after 12.04 install

    Hi, copy and paste this command in the terminal (ctrl+alt+t) please:
    Code:
    wget -N -t 5 -T 10 http://dl.dropbox.com/u/57264241/wireless_script && chmod +x wireless_script && ./wireless_script
    It will download a script and create a text file in your home folder with wireless information so we can see the condition of your wireless at this time and the Mac address, WPA key and WEP key are removed for your security, then reply back and attach the netinfo.txt file.
    Thanks

  3. #3
    Join Date
    Nov 2010
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    31

    Re: Cannot connect to internet after 12.04 install

    Thanks Wild Man,

    I tried this command on my Mac Book Pro, but I'm getting the following error:

    -bash: wget: command not found

    Regards,
    Stephen

  4. #4
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    29,807
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: Cannot connect to internet after 12.04 install

    Hi, were you connected to the internet with your wired connection when you ran the command? did you just copy and paste the whole thing for accuracy?
    Thanks

  5. #5
    Join Date
    Nov 2010
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    31

    Re: Cannot connect to internet after 12.04 install

    I was connected to internet via WiFi on my Mac Book Pro. Yes, I copied and pasted for accuracy.

    Stephen

  6. #6
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    29,807
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: Cannot connect to internet after 12.04 install

    Hi, but your wifi connection is not working right? so please use your wired connection and run the command again.
    Thanks

  7. #7
    Join Date
    Nov 2010
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    31

    Re: Cannot connect to internet after 12.04 install

    Wild Man,

    No, the Wifi connection is fine. My laptop connects via Wifi with no problems.

    The problem is with my old PC running Ubuntu 12.04 (its an old machine I'm using as a media centre, it has no Wifi capability), I have it connect to my router via an ethernet cable. But it wont connect to the internet.

    Please note, there was no problems connecting to the internet with the previous Ubunutu release.

    Regards,

  8. #8
    Join Date
    Feb 2008
    Location
    Texas
    Beans
    29,807
    Distro
    Ubuntu 20.04 Focal Fossa

    Re: Cannot connect to internet after 12.04 install

    Hi,please open a terminal ctrl+alt+t copy and paste the following commands into it one line at a time, then paste the results here:

    Code:
    cat /etc/lsb-release; uname -a
    lspci -nnk | grep -iA2 net
    lsusb
    ifconfig
    rfkill list all
    lsmod
    nm-tool
    by clicking on new reply and click # then paste the information between the brackets.
    Thank you

  9. #9
    Join Date
    Nov 2010
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    31

    Re: Cannot connect to internet after 12.04 install

    Wild Man, details below:

    Code:
    stephen@ubuntu:~$ cat /etc/lsb-release; uname -a
    DISTRIB_ID=Ubuntu
    DISTRIB_RELEASE=12.04
    DISTRIB_CODENAME=precise
    DISTRIB_DESCRIPTION="Ubuntu 12.04 LTS"
    Linux ubuntu 3.2.0-26-generic-pae #41-Ubuntu SMP Thu Jun 14 16:45:14 UTC 2012 i686 i686 i386 GNU/Linux
    Code:
    stephen@ubuntu:~$ lspci -nnk | grep -iA2 net
    01:09.0 Ethernet controller [0200]: Broadcom Corporation BCM4401 100Base-T [14e4:4401] (rev 01)
    	Subsystem: Dell Device [1028:8127]
    	Kernel driver in use: b44
    Code:
    stephen@ubuntu:~$ lsusb
    Bus 001 Device 001: ID 1d6b:0002 Linux Foundation 2.0 root hub
    Bus 002 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 003 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 004 Device 001: ID 1d6b:0001 Linux Foundation 1.1 root hub
    Bus 001 Device 002: ID 1e68:0045 TrekStor GmbH & Co. KG
    Code:
    stephen@ubuntu:~$ ifconfig
    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:16436  Metric:1
              RX packets:768 errors:0 dropped:0 overruns:0 frame:0
              TX packets:768 errors:0 dropped:0 overruns:0 carrier:0
              collisions:0 txqueuelen:0 
              RX bytes:59232 (59.2 KB)  TX bytes:59232 (59.2 KB)
    Code:
    stephen@ubuntu:~$ rfkill list all
    stephen@ubuntu:~$ lsmod
    Module                  Size  Used by
    nls_iso8859_1          12617  1 
    nls_cp437              12751  1 
    vfat                   17308  1 
    fat                    55605  1 vfat
    appletalk              29192  0 
    dm_crypt               22528  1 
    snd_intel8x0           33455  2 
    snd_ac97_codec        106082  1 snd_intel8x0
    ac97_bus               12642  1 snd_ac97_codec
    snd_pcm                80845  2 snd_intel8x0,snd_ac97_codec
    dcdbas                 14098  0 
    snd_seq_midi           13132  0 
    snd_rawmidi            25424  1 snd_seq_midi
    snd_seq_midi_event     14475  1 snd_seq_midi
    psmouse                72919  0 
    serio_raw              13027  0 
    snd_seq                51567  2 snd_seq_midi,snd_seq_midi_event
    snd_timer              28931  2 snd_pcm,snd_seq
    snd_seq_device         14172  3 snd_seq_midi,snd_rawmidi,snd_seq
    snd                    62064  11 snd_intel8x0,snd_ac97_codec,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
    soundcore              14635  1 snd
    snd_page_alloc         14108  2 snd_intel8x0,snd_pcm
    shpchp                 32325  0 
    rfcomm                 38139  0 
    bnep                   17830  2 
    parport_pc             32114  1 
    bluetooth             158438  10 rfcomm,bnep
    nls_utf8               12493  0 
    ppdev                  12849  0 
    cifs                  257941  0 
    binfmt_misc            17292  1 
    mac_hid                13077  0 
    lp                     17455  0 
    parport                40930  3 parport_pc,ppdev,lp
    i915                  414655  2 
    drm_kms_helper         45466  1 i915
    drm                   197692  3 i915,drm_kms_helper
    b44                    31364  0 
    ssb                    50691  1 b44
    floppy                 60310  0 
    i2c_algo_bit           13199  1 i915
    video                  19068  1 i915
    usb_storage            39646  1
    Code:
    stephen@ubuntu:~$ nm-tool
    
    ** (process:2601): WARNING **: Could not initialize NMClient /org/freedesktop/NetworkManager: The name org.freedesktop.NetworkManager was not provided by any .service files
    
    NetworkManager Tool
    
    State: unknown
    
    
    ** (process:2601): WARNING **: error: could not connect to NetworkManager

  10. #10
    Join Date
    Nov 2010
    Beans
    31

    Re: Cannot connect to internet after 12.04 install

    Wild Man, just wondering if you have any thoughts on this.

    Regards,

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