hi,！
you should use ifconfig lo ,maybe your lo interface have no ip address? if you get ethernet address via dhclient(without eth0 parameter),the ip address of loopback will lost.
then you should check /etc/sysconfig/network-scripts/ifcfg-lo ，my config file:
DEVICE=lo
IPADDR=127.0.0.1
NETMASK=255.0.0.0
NETWORK=127.0.0.0
# If you're having problems with gated making 127.0.0.0/8 a martian,
# you can change this to something else (255.255.255.255, for example)
BROADCAST=127.255.255.255
ONBOOT=yes
NAME=loopback
if no problem,command "service network restart" will set loopback address corrct.
======= 2004-02-29 09:40:00 Original Letter=======
>I can't figure out why my standard IP address, ethernet interface, is working but localhost isn't. Pings to 127.0.0.1 aren't getting through. Any ideas? It's an RH9 installation, on a Fujitsu rackmount (intel-based) box.
>
>There's an entry in /etc/hosts:
>
> 127.0.0.1 localhost localhost.localdomain
>
>What else goes into making localhost work? I have a feeling that's messing up other things.
>
>--Harlan
>
>
>
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Best regards
Yours Huter.Liu
020-38483801-3205
maillist@xxxxxxxxxxxxx 2004-03-01
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