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save resolv.conf in linux

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Operating Systems Linux Red Hat save resolv.conf in linux
# 1  
Old 06-20-2011
error in linux when restart network service
hi,
I use red hat linux .
When I start up network service .
I get below error in eth2
root@vls etc]# service network restart
Shutting down interface eth2: [ OK ]
Shutting down loopback interface: [ OK ]
Bringing up loopback interface: [ OK ]
Bringing up interface eth2: RTNETLINK answers: File exists
Error adding address 10.1.1.82 for eth2.
[ OK ]
I paste the ifcfg-eth2 in here
[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=yes
So, what is the problem oif error adding address ??
Please advice

# 2  
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]#
# 3  
Old 06-20-2011
Did you manually changed the IP-address from the another active interface to this one.
# 4  
Old 06-20-2011
can you post the output of

/etc/sysconfig/named
/etc/sysconfig/network
# 5  
Old 06-20-2011
Quote:
Originally Posted by oky
Did you manually changed the IP-address from the another active interface to this one.
No
# 6  
Old 06-20-2011
Quote:
Originally Posted by oky
can you post the output of

/etc/sysconfig/named
/etc/sysconfig/network
[root@vls sysconfig]# cat named
cat: named: No such file or directory
[root@vls sysconfig]# cat name*
cat: name*: No such file or directory
[root@vls sysconfig]# cat network
NETWORKING=yes
NETWORKING_IPV6=no
HOSTNAME=vls.broadsoft.com
[root@vls sysconfig]#
[root@vls sysconfig]#
# 7  
Old 06-20-2011
It sounds like one of your interfaces is configured to use DHCP. If you use DHCP /etc/resolv.conf can behave in the manner that you are observing.
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