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Full Discussion: save resolv.conf in linux
Operating Systems Linux Red Hat save resolv.conf in linux Post 302532121 by chuikingman on Monday 20th of June 2011 02:17:05 AM
Old 06-20-2011
save resolv.conf in linux

Hi,
I use red hat Es 5.5 64 bit..
I find the item nameserver in resolv.conf cannnot be saved.
Everytime ,reboot or restart the netwrok service .
The data in resolv.conf will be removed and clear .
I need to edit it again .
I also try to add DNS1=XX.XX.XX.Xx in ifcfg-eth2 but the same problem
in it , the resolv.conf is still need to edit every network service restart .
So, how to save the resolve.conf about nameserver forever ??
Please advice ...


[root@vls etc]# cat resolv.conf
# Generated by NetworkManager

# No nameservers found; try putting DNS servers into your
# ifcfg files in /etc/sysconfig/network-scripts like so:
#
# DNS1=xxx.xxx.xxx.xxx
# DNS2=xxx.xxx.xxx.xxx
# DOMAIN=lab.foo.com bar.foo.com
nameserver 10.1.1.2
nameserver 218.102.32.208
`
[root@vls etc]#
==========
[root@vls network-scripts]# cat ifcfg-eth2
# Intel Corporation 82572EI Gigabit Ethernet Controller (Copper)
DEVICE=eth2
BOOTPROTO=none
BROADCAST=10.1.255.255
HWADDR=00:80:82:8F:B4:A2
IPADDR=10.1.1.82
NETMASK=255.255.0.0
NETWORK=10.1.0.0
ONBOOT=yes
GATEWAY=10.1.1.249
TYPE=Ethernet
USERCTL=yes
IPV6INIT=no
PEERDNS=no
[root@vls network-scripts]#
 

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LO(4)							     Kernel Interfaces Manual							     LO(4)

NAME
lo - software loopback network interface SYNOPSIS
/sys/conf/SYSTEM: NLOOP 1 # loop-back pseudo-device DESCRIPTION
The loop interface is a software loopback mechanism which may be used for performance analysis, software testing, and/or local communica- tion. As with other network interfaces, the loopback interface must have network addresses assigned for each address family with which it is to be used. These addresses may be set or changed with the SIOCSIFADDR ioctl. The loopback interface should be the last interface con- figured, as protocols may use the order of configuration as an indication of priority. The loopback should never be configured first unless no hardware interfaces exist. DIAGNOSTICS
lo%d: can't handle af%d. The interface was handed a message with addresses formatted in an unsuitable address family; the packet was dropped. SEE ALSO
intro(4N), inet(4F), ns(4F) BUGS
Previous versions of the system enabled the loopback interface automatically, using a nonstandard Internet address (127.1). Use of that address is now discouraged; a reserved host address for the local network should be used instead. 3rd Berkeley Distribution August 1, 1987 LO(4)
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