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I have a Mac OS X host and a bunch of guests including Ubuntu and Arch Linux. I was trying to set up a host-only network at eth1 to let me ssh into the system. But now eth0 isn't working properly either. Ubuntu can no longer connect to remote hosts or browse the internet. It tells me that the network is unreachable. What's gone wrong here? I've included some diagnostics below.
$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:10968 errors:0 dropped:0 overruns:0 frame:0
TX packets:10968 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:897264 (897.2 KB) TX bytes:897264 (897.2 KB)
Other diagnostic commands and the output:
$sudo lspci -n
00:00.0 0600: 8086:1237 (rev 02)
00:01.0 0601: 8086:7000
00:01.1 0101: 8086:7111 (rev 01)
00:02.0 0300: 80ee:beef
00:03.0 0200: 8086:100e (rev 02)
00:04.0 0880: 80ee:cafe
00:05.0 0401: 8086:2415 (rev 01)
00:06.0 0C03: 106B:003F
00:07.0 0680: 8086:7113 (REV 08)
00:0D.0 0106: 8086:2829 (REV 02)
$sudo lshw -c network
*-network DISABLED
description: Ethernet interface
product: 82540EM Gigabit Ethernet Controller
vendor: Intel Corporation
physical id: 3
bus info: pci@0000:00:03.0
logical name: eth0
version: 02
serial: 08:00:27:7d:22:df
size: 1Gbit/s
capacity: 1Gbit/s
width: 32 bits
clock: 66MHz
capabilities: pm pcix bus_master cap_list ethernet physical tp 10bt 10bt-fd 100bt 100bt-fd 1000bt-fd autonegotiation
configuration: autonegotiation=on broadcast=yes driver=e1000 driverversion=7.3.21-k8-NAPI duplex=full firmware=N/A latency=64 link=no mingnt=255 multicast=yes port=twisted pair speed=1Gbit/s
resources: irq:19 memory:f0000000-f001ffff ioport:d010(size=8)
$lsmod
Module Size Used by
nls_utf8 12557 1
isofs 40257 1
vboxsf 43743 2
vesafb 13844 1
snd_intel8x0 38570 2
snd_ac97_codec 134869 1 snd_intel8x0
ac97_bus 12730 1 snd_ac97_codec
snd_pcm 97275 2 snd_intel8x0,snd_ac97_codec
snd_seq_midi 13324 0
snd_rawmidi 30748 1 snd_seq_midi
snd_seq_midi_event 14899 1 snd_seq_midi
rfcomm 47604 0
snd_seq 61929 2 snd_seq_midi,snd_seq_midi_event
bnep 18281 2
bluetooth 180113 10 rfcomm,bnep
ppdev 17113 0
psmouse 97519 0
snd_timer 29990 2 snd_pcm,snd_seq
joydev 17693 0
snd_seq_device 14540 3 snd_seq_midi,snd_rawmidi,snd_seq
vboxvideo 12622 1
serio_raw 13211 0
snd 79041 11 snd_intel8x0,snd_ac97_codec,snd_pcm,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
soundcore 15091 1 snd
vboxguest 235498 7 vboxsf
parport_pc 32866 0
drm 241971 2 vboxvideo
i2c_piix4 13301 0
snd_page_alloc 18529 2 snd_intel8x0,snd_pcm
mac_hid 13253 0
lp 17799 0
parport 46562 3 ppdev,parport_pc,lp
usbhid 47238 0
hid 99636 1 usbhid
e1000 108589 0
What do you mean by "Restore default settings for the network interface configuration file (/etc/network/interfaces for Ubuntu)" ? – lord_t – 2014-09-05T09:13:16.243
I presume you'd backup the network interface configuration somewhere safe before you try to add a host-only network. Or you could use a vanilla network interface configuration that's shared online. Here's an example.
– gkb0986 – 2014-09-05T14:57:30.967