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Thread: 9.04 server network card not detected?

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i installed ubuntu 9.04 server edition, , encountered annoying problem... seems ubuntu doesn't know how use network card...

i've tried ping router, result: "network unreachable"
i've been inside /etc/network/interfaces, looked like:
code:
#this file describes network interfaces available on system #and how activate them. more information, see interfaces(5)  #the loopback network interface auto lo iface lo inet loopback  #the primary network interface auto eth0 iface eth0 inet dhcp
this looks me adress , netmask missing...

i've output "ifconfig"-command:
code:
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:16436  metric:1         rx packets:8 errors:0 dropped:0 overruns:0 frame:0         tx packets:8 errors:0 dropped:0 overruns:0 carrier:0         collisions:0 txqueuelen:0         rx bytes:480 (480.0 b)  tx bytes:480 (480.0 b)
output "lspci"-command:
code:
00.01.0 isa bridge: nvidia corporation mcp61 lpc bridge (rev a2) 00.01.1 smbus: nvidia corporation mcp61 smbus (rev a2) 00.01.2 ram memory: nvidia ... memory controller (rev a2) 00.01.3 co-processor: nvidia ... (rev a2) 00.02.0 usb controller: nvidia ... usb controller (rev a2) 00.02.1 usb controller: nvidia ... usb controller (rev a2) 00.02.2 pci bridge: nvidia ... pci bridge (rev a1) 00.04.0 audio device: ... (rev a2) 00.06.0 ide interface: ... (rev a2) 00.07.0 bridge: nvidia corporation mcp61 ethernet (rev a2) <-- can find regarding ethernet 00.08.0 ide interface: ... sata controller (rev a2) 00.09.0 pci bridge: nvidia ... pci express bridge (rev a2) 00.0b.0 pci bridge: nvidia ... pci express bridge (rev a2) 00.0c.0 pci bridge: nvidia ... pci express bridge (rev a2) 00.0d.0 vga compatible controller: nvidia ... geforce 6100 nforce 405 (rev a2) 00.18.0 host bridge: amd k8 [athlon64/opteron] hypertransport technology configuration 00.18.1 host bridge: amd k8 [athlon64/opteron] adress map 00.18.2 host bridge: amd k8 [athlon64/opteron] dram controller 00.18.3 host bridge: amd k8 [athlon64/opteron] miscellaneous control
result "route"-command:
code:
kernel ip routing table destination     gateway         genmask         flags  metric  ref     use  iface
i'm not new linux environment, networking seem bother me

/fnugus

quote posted fnugus view post
this looks me adress , netmask missing...
address , netmask not specified dhcp - server provides them (as gateway , dns information).
ifconfig -a show interfaces - including have not been configured... show eth0 has no ip address.
lshw -c network probably show same (limited) information ethernet interface.


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