networking - Cannot connect to internet - Ask Ubuntu


my computer running windows 10 when internet stopped working - connect our network, no internet access. had play around decided considering doing switch on pc ubuntu , assumed windows update must of altered , did clean install of ubuntu 16.04lts.

there still no internet access

ifconfig

eno1      link encap:ethernet  hwaddr ac:9e:17:b8:2d:48         inet6 addr: fe80::ae9e:17ff:feb8:2d48/64 scope:link       broadcast running multicast  mtu:1500  metric:1       rx packets:3700 errors:0 dropped:0 overruns:0 frame:0       tx packets:102 errors:0 dropped:0 overruns:0 carrier:0       collisions:0 txqueuelen:1000        rx bytes:262288 (262.2 kb)  tx bytes:23450 (23.4 kb)       interrupt:20 memory:df200000-df220000   lo        link encap:local loopback             inet addr:127.0.0.1  mask:255.0.0.0           inet6 addr: ::1/128 scope:host           loopback running  mtu:65536  metric:1           rx packets:12004 errors:0 dropped:0 overruns:0 frame:0           tx packets:12004 errors:0 dropped:0 overruns:0 carrier:0           collisions:0 txqueuelen:1            rx bytes:889656 (889.6 kb)  tx bytes:889656 (889.6 kb)

lspci -knn | grep eth -a2

00:19.0 ethernet controller [0200]: intel corporation ethernet connection (2) i218-v [8086:15a1] devicename:  onboard lan subsystem: asustek computer inc. ethernet connection (2) i218-v [1043:85c4] kernel driver in use: e1000e kernel modules: e1000e

/etc/network/interfaces

# interfaces(5) file used ifup(8) , ifdown(8) auto lo iface lo inet loopback auto eno1 iface eno1 inet dhcp

note added in 'auto eno1 iface eno1 inet dhcp' - without there no inet6 addr in ifconfig output.

i've tested connection , cables running through laptop same os (what using) no issue. have tried re-installing e1000e driver , wol disabled in bios. advice great.

edit killall -9 dhclient; dhclient -v eno1

nov  4 10:37:32 liam-g dhclient[2495]: internet systems consortium dhcp client 4.3.3 nov  4 10:37:32 liam-g dhclient[2495]: copyright 2004-2015 internet systems consortium. nov  4 10:37:32 liam-g dhclient[2495]: rights reserved. nov  4 10:37:32 liam-g dhclient[2495]: info, please visit https://www.isc.org/software/dhcp/ nov  4 10:37:32 liam-g dhclient[2495]:  nov  4 10:37:32 liam-g dhclient[2495]: can't create /var/lib/dhcp/dhclient.leases: permission denied nov  4 10:37:32 liam-g liamg: /etc/dhcp/dhclient-enter-hooks.d/avahi-autoipd returned non-zero exit status 1 nov  4 10:37:32 liam-g dhclient[2495]: open socket lpf: operation not permitted nov  4 10:37:32 liam-g dhclient[2495]:  nov  4 10:37:32 liam-g dhclient[2495]: if think have received message due bug rather nov  4 10:37:32 liam-g dhclient[2495]: configuration issue please read section on submitting nov  4 10:37:32 liam-g dhclient[2495]: bugs on either our web page @ www.isc.org or in readme file nov  4 10:37:32 liam-g dhclient[2495]: before submitting bug.  these pages explain proper nov  4 10:37:32 liam-g dhclient[2495]: process , information find helpful debugging.. nov  4 10:37:32 liam-g dhclient[2495]:  nov  4 10:37:32 liam-g dhclient[2495]: exiting.


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