[ubuntu] Ethernet not detected and eth0 not found

Hi !

I am new to ubuntu. The etheet got detected until today, and I could use inteet for only one minute or so. Then, even tough is shows coected at the top coer, it doesn't coect. I have searched some forums, and completely made a mess of everything.
Now, I do not find eth0, etheet does not even show up. I need someone to help me.
Thank you.

Some of the output for some common codes:

$ ifconfig

PHP Code:

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:742 errors:0 dropped:0 overruns:0 frame:0
          TX packets:742 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:404013 (404.0 KB)  TX bytes:404013 (404.0 KB)wlan0     Link encap:Etheet  HWaddr 60:d8:19:9f:60:d5  
          inet addr:10.136.100.140  Bcast:10.136.127.255  Mask:255.255.128.0
          inet6 addr: fe80::62d8:19ff:fe9f:60d5/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:10120 errors:0 dropped:0 overruns:0 frame:0
          TX packets:8070 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:9511026 (9.5 MB)  TX bytes:1157575 (1.1 MB)

$ sudo lshw -C network

PHP Code:

*-network description: Wireless interface product: AR9285 Wireless Network Adapter (PCI-Express) vendor: Qualcomm Atheros physical id: 0 bus info: pci@0000:09:00.0 logical name: wlan0 version: 01 serial: 60:d8:19:9f:60:d5 width: 64 bits clock: 33MHz capabilities: pm msi pciexpress bus_master cap_list etheet physical wireless configuration: broadcast=yes driver=ath9k driverversion=3.19.0-61-generic firmware=N/A ip=10.136.100.140 latency=0 link=yes multicast=yes wireless=IEEE 802.11bgn resources: irq:19 memory:f7a00000-f7a0ffff

$ lspci

PHP Code:

..................................... ..................................... 09:00.0 Network controller: Qualcomm Atheros AR9285 Wireless Network Adapter (PCI-Express) (rev 01) 0b:00.0 USB controller: NEC Corporation uPD720200 USB 3.0 Host Controller (rev 04)

$ ethtool eth0

PHP Code:

0 Settings for eth0: Caot get device settings: No such device Caot get wake-on-lan settings: No such device Caot get message level: No such device Caot get link status: No such device No data available

$ cat /etc/network/interfaces

PHP Code:

# interfaces(5) file used by ifup(8) and ifdown(8)
auto lo
iface lo inet loopback#primary network interfaceauto eth0
iface eth0 inet dhcp

برچسب: نویسنده: استخدام کار تاريخ: جمعه 4 تير 1395 ساعت: 3:47

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