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I recently installed CentOS 7 on my desktop computer and decided on the minimal install. It couldn't find a network device in the installation process, but I went ahead and installed it anyway. /etc/sysconfig/network-scripts/ifcfg-eth0 didn't exist to start. ifcfg-lo was the only one:

[chris@piecework4 /]$ ls /etc/sysconfig/network-scripts | grep ifcfg-
ifcfg-lo

I made ifcfg-eth0 with the following values:

DEVICE="eth0"
BOOTPROTO=dhcp
NM_CONTROLLED="no"
PERSISTENT_DHCLIENT=1
ONBOOT="yes"
TYPE=Ethernet
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=yes
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME="eth0"
HWADDR=00:13:D4:37:42:39

ifconfig -a only shows this:

lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536
    inet 127.0.0.1  netmask 255.0.0.0
    inet6 ::1  prefixlen 128  scopeid 0x10<host>
    loop  txqueuelen 0  (Local Loopback)
    RX packets 8  bytes 560 (560.0 B)
    RX errors 0  dropped 0 overruns 0  frame 0
    TX packets 8  bytes 560 (560.0 B)
    TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

I do have an Ethernet controller...

[chris@piecework4 /]$ lspci | grep Ethernet
00:04.0 Ethernet controller: Silicon Integrated Systems [SiS] SiS900 PCI Fast Ethernet (rev 90)

Ethernet works fine on every live cd I try.

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3 Answers 3

Reset to default
2

If you're dealing with VMWare try following:

I added the following line to my .vmx file:

ethernet0.virtualDev = "e1000"

reference: www.centos.org/forums/viewtopic.php?f=47&t=47724

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If you are working a CentOS installation VM and want to have internet access with Oracle Virtualbox Click > Settings > Network > (Attached to:) Bridged Adapter.

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  • 2
    (1) Please give clearer instructions.   (2) Politeness is great, but, if you’re contributing an answer, why are you saying “Thanks”?
    – Scott - Слава Україні
    Commented May 6, 2021 at 2:16
-1

Just use Centos_64 as OS instead of CentOS and this will add (ethernet0.virtualDev = "e1000") line to your configuration file

enter image description here

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  • This duplicates another answer and adds no new content. Please don't post an answer unless you actually have something new to contribute.
    – DavidPostill ♦
    Commented Feb 21, 2016 at 20:23
  • well , i added ethernet0.virtualDev = "e1000" line but it did not worked , i had to use CentOS_64 as version to get it work ,
    – Ali Aqrabawi
    Commented Feb 21, 2016 at 21:13

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