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Thread: Unable to access Internet on lubuntu 17.10

  1. #1
    Join Date
    Feb 2018
    Beans
    7

    Unable to access Internet on lubuntu 17.10

    My computer suddenly stopped being able to connect to the internet. It detects wifi and I'm able to use other devices to connect.

    ifconfig:

    Code:
    enp5s0: flags=4099<UP,BROADCAST,MULTICAST>  mtu 1500        ether e8:11:32:9d:69:82  txqueuelen 1000  (Ethernet)
            RX packets 0  bytes 0 (0.0 B)
            RX errors 0  dropped 0  overruns 0  frame 0
            TX packets 0  bytes 0 (0.0 B)
            TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
    
    
    lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
            inet 127.0.0.1  netmask 255.0.0.0
            inet6 ::1  prefixlen 128  scopeid 0x10<host>
            loop  txqueuelen 1000  (Local Loopback)
            RX packets 13660  bytes 6590388 (6.5 MB)
            RX errors 0  dropped 0  overruns 0  frame 0
            TX packets 13660  bytes 6590388 (6.5 MB)
            TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
    
    
    wlp3s0b1: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
            inet 192.168.1.3  netmask 255.255.255.0  broadcast 192.168.1.255
            inet6 fe80::2640:952e:2a5f:296d  prefixlen 64  scopeid 0x20<link>
            ether 90:a4:de:a9:49:88  txqueuelen 1000  (Ethernet)
            RX packets 6830  bytes 2155334 (2.1 MB)
            RX errors 0  dropped 0  overruns 0  frame 0
            TX packets 7330  bytes 589035 (589.0 KB)
            TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0
    route-n:

    Code:
    Kernel IP routing tableDestination     Gateway         Genmask         Flags Metric Ref    Use Iface
    0.0.0.0         255.255.255.0   0.0.0.0         UG    600    0        0 wlp3s0b1
    192.168.1.0     0.0.0.0         255.255.255.0   U     600    0        0 wlp3s0b1
    255.255.255.0   0.0.0.0         255.255.255.255 UH    600    0        0 wlp3s0b1
    I don't seem to have a /etc/resolve.conf file

    ping -c 5 google.com, ping -c 5 8.8.8.8:

    Code:
    5 packets transmitted, 0 received, +4 errors, 100% packet loss, time 4054mspipe 4
    tracepath www.google.com:

    Code:
     1?: [LOCALHOST]                      pmtu 1500
     1:  shyam20                                             3078.742ms !H
         Resume: pmtu 1500

  2. #2
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    7,269
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Unable to access Internet on lubuntu 17.10

    Try restoring the symlink

    Code:
    sudo rm /etc/resolv.conf
    sudo ln -s /var/run/resolvconf/resolv.conf /etc/resolv.conf

  3. #3
    Join Date
    Feb 2018
    Beans
    7

    Re: Unable to access Internet on lubuntu 17.10

    Hi, I made a mistake when I said I didn't have a /etc/resolv.conf file - I did have one. But I did what you said. No change, though.

  4. #4
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    7,269
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Unable to access Internet on lubuntu 17.10

    Please run the wireless script from the sticky thread and show the outputs here

  5. #5
    Join Date
    Feb 2018
    Beans
    7

    Re: Unable to access Internet on lubuntu 17.10

    here is the link to the output: http://paste.ubuntu.com/p/8KvZTCJwSM/

  6. #6
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    7,269
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Unable to access Internet on lubuntu 17.10

    Ok, it loads two wireless drivers, blacklist the wrong one
    Code:
    echo "blacklist b43" | sudo tee -a /etc/modprobe.d/blacklist.conf
    Reboot and try to connect wirelessly. You may need to change the encryption mode in your router setting to pure and secure WPA2-AES (CCMP), not mixed mode WPA/WPA2. For this, connect via cable, if any, and type

    http://192.168.1.1

    in your browser. It may also work (now) via WLAN. If it works, change the LAN driver via
    Code:
    sudo apt-get install --reinstall linux-headers-$(uname -r) linux-headers-generic build-essential dkms
    wget http://de.archive.ubuntu.com/ubuntu/pool/universe/r/r8168/r8168-dkms_8.045.08-2_all.deb
    sudo dpkg -i r8168-dkms_8.045.08-2_all.deb
    echo "blacklist r8169" | sudo tee -a /etc/modprobe.d/blacklist.conf
    and reboot

  7. #7
    Join Date
    Feb 2018
    Beans
    7

    Re: Unable to access Internet on lubuntu 17.10

    Thank you for taking the time to do this. I followed your instructions - but I still can't get it to work. I ran the sticky code again. Here - http://paste.ubuntu.com/p/stXZQy7WvV/

  8. #8
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    7,269
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Unable to access Internet on lubuntu 17.10

    http://de.archive.ubuntu.com/ubuntu/....271-7_all.deb

    http://de.archive.ubuntu.com/ubuntu/...buntu3_all.deb

    Download these packages somehow and save them in "Downloads". Installation
    Code:
    sudo dpkg -i ~/Downloads/*.deb
    Reboot and deactivate SecureBoot in your UEFI

  9. #9
    Join Date
    Feb 2018
    Beans
    7

    Re: Unable to access Internet on lubuntu 17.10

    That did it! Amazing, thanks. I did not do the SecureBoot part - I couldn't find the option (and my keypad which I usually keep disabled goes crazy in BIOS anyway and doesn't let me navigate). Thanks again!

  10. #10
    Join Date
    Aug 2011
    Location
    Berlin, Germany
    Beans
    7,269
    Distro
    Ubuntu Gnome 14.04 Trusty Tahr

    Re: Unable to access Internet on lubuntu 17.10

    Glad it worked. Please use thread tools and mark it [SOLVED]

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