Trying to make DNS work
David Samblas
dsamblasomcommunity at gmail.com
Wed Oct 8 13:04:06 CEST 2008
If you have a terminal app on the neo do /etc/inti.d/networking start
from it
and the connection will come back
if no terminal app shutdown and restart again
to edit files trough ssh session or trough the terminal app you can use
vi
#vi /etc/network/interfaces
then put the cursor on the line you want to began to edit and press "i"
then you can edit the file and can put the "echo nameserver
blablabla..." lines
when done and to save the file
press esc
and then ":wq"
/etc/inti.d/networking restart
El mié, 08-10-2008 a las 03:50 -0700, bum escribió:
> Okay. How shall I put the up echo in the file through neo?
> I log in with ssh then...? Regularly I'd use gedit but now I can't.
>
> I did the echo in the neo then
> /etc/init.d/networking stop
> But then the connection just hung...
>
> On Wed, Oct 8, 2008 at 12:38 PM, David Samblas-3 <
> ml-user+51344-1875701335 at n2.nabble.com<ml-user%2B51344-1875701335 at n2.nabble.com>
> > wrote:
>
> > El mié, 08-10-2008 a las 03:05 -0700, bum escribió:
> > > Hello, ubuntu and openmoko newcomer here.
> > >
> > > I can successfully login to my freerunner with ssh and ping (ping
> > > 74.125.19.147) to the outside world but I can't ping to an address (ping
> >
> > > www.google.com).
> > >
> > > I've tried most of the things
> > > http://wiki.openmoko.org/wiki/USB_Networking#Configure_Default_Neo_DNS here
> >
> > > :
> > > My IP changes so I can't use "echo nameserver 'myIP' > /etc/resolv.conf".
> >
> > >
> > > echo nameserver 208.67.222.222 > /etc/resolv.conf
> > > echo nameserver 208.67.220.220 >> /etc/resolv.conf
> > > even if I don't understand it, but no luck. Getting error
> > >
> > > "treeman at treeman-PC:~$ sudo echo nameserver 208.67.222.222 >
> > > /etc/resolv.conf
> > > bash: /etc/resolv.conf: Permission denied"
> > >
> > > even with sudo... I dunno...
> > You have to do the echo stuff in the neo not in you pc
> > >
> > > Tried placing
> > > "up echo nameserver 208.67.222.222 > /etc/resolv.conf
> > > up echo nameserver 208.67.220.220 >> /etc/resolv.conf"
> > > in "/etc/network/interfaces" but no luck.
> > this too has to be done in the neo
> > after the interface modification do the following to make it active
> > on the neo:
> > /etc/init.d/networking stop
> > /etc/init.d/networking start
> >
> >
> > >
> > > Proxying from desktop/laptop is the thing I'd want though as I have a
> > laptop
> > > :-D
> > >
> > > Tried dnrd but don't know if I did it right...
> > >
> > > treeman at treeman-PC:~$ sudo gedit /home/treeman/dnrd
> > > [sudo] password for treeman:
> > > (paste http://buildhost.automated.it/gta01 dnrd script )
> > > treeman at treeman-PC:~$ sudo chmod +x /home/treeman/dnrd
> > > treeman at treeman-PC:~$ sudo /home/treeman/dnrd
> > > /home/treeman/dnrd: line 97: -a: command not found
> > >
> > > UDP forwarding link didn't work.
> > >
> > > Iptables:
> > > iptables -t nat -A PREROUTING -p tcp -s 192.168.0.202 -d 192.168.0.200
> > > --dport domain -j DNAT --to-destination 192.168.0.1
> > > iptables -t nat -A PREROUTING -p udp -s 192.168.0.202 -d 192.168.0.200
> > > --dport domain -j DNAT --to-destination 192.168.0.1
> > > no errors but didn't work.
> > >
> > > Also edited /etc/network/interfaces and added:
> > > # freerunner
> > > auto usb0
> > > iface usb0 inet static
> > > address 192.168.0.200
> > > netmask 255.255.255.192
> > > post-up /etc/network/freerunner start
> > > pre-down /etc/network/freerunner stop
> > >
> > > and /etc/network/freerunner:
> > > #!/bin/sh
> > > #
> > > # configures the freerunner for internet
> > > #
> > > #
> > >
> > > DEVICE=usb0
> > > IPADDR=192.168.0.200
> > > REMOTE_IPADDR=192.168.0.202
> > > NETMASK=255.255.255.0
> > >
> > > # get first ip for dns
> > > DNSIP=$(cat /etc/resolv.conf | grep nameserver | awk '{ print $2 }' |
> > head
> > > -n 1 )
> > >
> > > case "$1" in
> > > start)
> > > iptables -A POSTROUTING -t nat -j MASQUERADE -s $REMOTE_IPADDR
> > > iptables -A PREROUTING -t nat -p tcp -s $REMOTE_IPADDR -d $IPADDR
> >
> > > --dport domain -j DNAT --to-destination $DNSIP
> > > iptables -A PREROUTING -t nat -p udp -s $REMOTE_IPADDR -d $IPADDR
> >
> > > --dport domain -j DNAT --to-destination $DNSIP
> > >
> > > if [ "$(cat /proc/sys/net/ipv4/ip_forward)" = "0" ]; then
> > > echo "temoprarely allow ip_forward for openmoko" >
> > > /var/run/openmoko.ip_forward
> > > echo 1 > /proc/sys/net/ipv4/ip_forward
> > > fi
> > > ;;
> > > stop)
> > > iptables -D POSTROUTING -t nat -j MASQUERADE -s $REMOTE_IPADDR
> > > iptables -D PREROUTING -t nat -p tcp -s $REMOTE_IPADDR -d $IPADDR
> >
> > > --dport domain -j DNAT --to-destination $DNSIP
> > > iptables -D PREROUTING -t nat -p udp -s $REMOTE_IPADDR -d
> > $IPADDR
> > > --dport domain -j DNAT --to-destination $DNSIP
> > >
> > > if [ -f /var/run/openmoko.ip_forward ]; then
> > > rm /var/run/openmoko.ip_forward
> > > echo 0 > /proc/sys/net/ipv4/ip_forward
> > > fi
> > > ;;
> > > esac
> > >
> > > Made executable with "chmod +x /etc/network/freerunner".
> > >
> > > Also edited the ubuntu bug thing:
> > > "One can patch /etc/udev/rules.d/85-ifupdown.rules. Moving the
> > DRIVERS=="*?"
> > > out of the top GOTO, to ACTION=="add" line fixes the problem."
> > >
> > > Well there we go, I'm out of ideas and I've tried these steps more than
> > > once. I've rebooted and stuff and now I'm hoping for your help!
> > >
> > > Regards, bum
> >
> >
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