Ooops! Messed up network with IPv6

I enabled IPv6 in the Networking section of the web gui... then it lost communication with the server.
I then rebooted the OMV server and it hangs while trying to bind samba services.
Is there a way to restore the IPv4 address so the system will boot?

It the same problem that has been posted by 'pntless' pasted below...

http://forums.openmediavault.o…up-and-system-won-t-boot/

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Configuring network interfaces...RTNETLINK answers: File exists
Failed to bring up lo.
Internet Systems Consortium DHCP Client 4.2.2
Copyright 2004-2011 Internet Systems Consortium.
All rights reserved.
For info, please visit https://www.isc.org/software/dhcp/

Listening on LPF/eth0/00:0c:29:9e:d4:45
Sending on LPF/eth0/00:0c:29:9e:d4:45
Sending on Socket/fallback
DHCPREQUEST on eth0 to 255.255.255.255 port 67
DHCPACK from 192.168.1.1
Reloading /etc/samba/smb.conf: smbd only.
bound to 192.168.1.15 -- renewal in 7137 seconds
_

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I tried to boot with the Ethernet cable unplugged with no success...
Any help would be appreciated...

Thanks... I'll give that a try...

Ok... Well I could not disable onboard LAN in BIOS... option greyed out?

I did find I could select a recovery mode and boot with network cable unplugged... Yay!
Logged on with root and password... Yay!
enter command "/etc/network/interfaces" and received "permission denied"

What shall I do next???

Must sleep now... I come back soon to see if there is a reply... Thanks!

Ok... So how does one enable permissions from the console login? With respect to the directory/ files above.

Ok... Thanks for the help...
I used the 'nano' command and I get a text editor...

The contents of the file are:

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# The loopback network interface
auto lo
iface lo inet loopback
iface lo inet6 loopback

# eth0 network interface
auto eth0
aalow-hotplug eth0
iface eth0 inet dhcp
dns-search com
iface eth0 inet6 dhcp
pre-up echo 1 > /proc/sys/net/ipv6/conf/$IFACE/accept_ra
pre-up echo 0 > /proc/sys/net/ipv6/conf/$IFACE/disable_ipv6

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There may be a typo in there....

Now what do I remove? All of it???

Or how should I edit the above to reinstate IPv4???

Thanks

Thank you... That fixed it... Network works again now as it should!

Yes... I noticed that.. Thanks!