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Trying to run a Minecraft server on Ubuntu. I only have the terminal, no GNOME. Somehow I lost the network. ifconfig only shows the loopback.

/etc/udev/rules.d/70-persistent-net.rules shows:

# PCI device 0x8086:0x1050 (e100)
SUBSYSTEM=="net", ACTION=="add", DRIVERS=="?*", 
ATTR{address}=="00:0c:f1:85:4f:f2", ATTR{dev_id}=="0x0", ATTR{type}=="1", 
KERNEL=="eth*", NAME="eth0"

/etc/network/interfaces shows:

auto lo
iface lo inet loopback
auto eth0
iface eth0 inet dhcp

When I run sudo ifup eth0 I get:

Cannot find device "eth0"
Error getting hardware address for "eth0": No such device
robertkohl125
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1 Answers1

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Did you try rebooting and looking for the interface in the kernel messages?

These are from my notes for CentOS (I realize you said Ubuntu) from a few years ago (but the 70-persistent-net.rules part made me think this may be helpful):

  1. Edit /etc/sysconfig/network-scripts/ifcfg-eth0. Delete the HWADDR line
  2. rm /etc/udev/rules.d/70-persistent-net.rules
  3. Reboot

Reference: http://joshbolling.com/2012/04/29/force-centos-6-to-re-detect-network-devices/

Harry Pehkonen
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