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QUICK TIP: Re-initialize Networking Ubuntu 10.04

Posted: Sat Mar 07, 2020 4:37 pm
by dedwards
Edit "/etc/udev/rules.d/70-persistent-net.rules" file:

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sudo vi /etc/udev/rules.d/70-persistent-net.rules 
It would look similar to below:
# PCI device 0x8086:0x100f (e1000)

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SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", ATTR{address}=="00:30:11:gf:00:01", ATTR{dev_id}=="0x0", ATTR{type}=="1", KERNEL=="eth*", NAME="eth1"
Take note of the module name in the parentheses, in this example it's "e1000" and delete all the "PCI device...." entries and the content below them and save the file.

Restart "udev":

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sudo /etc/init.d/udev restart
Remove the module, in our example it's "e1000":

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sudo modprobe -r e1000
Add the module again, in our example it's "e1000":

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sudo modprobe e1000
Run "ifconfig""

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sudo ifconfig
It should give you all the releveant network adapter information for your system:

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eth1      Link encap:Ethernet  HWaddr 00:30:11:gf:00:01
          inet addr:192.168.xxx.xxx  Bcast:192.168.xxx.xxx  Mask:255.255.255.0
          inet6 addr: fe80::250:56ff:febf:3/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:923824 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1167709 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:218159242 (218.1 MB)  TX bytes:1434983681 (1.4 GB)
Restart your network and you should be back in business:

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sudo /etc/init.d/networking restart