Trying to make DNS work
Joel Newkirk
freerunner at newkirk.us
Thu Oct 9 03:58:57 CEST 2008
Just to clarify, when you're working on the FreeRunner via SSH, you're
already root (superuser) so sudo is unnecessary, and as you discovered it
can even cause problems. (with redirection)
And it is possible to restart networking via SSH:
/etc/init.d/networking restart
should do it, but failing that you can use:
/etc/init.d/networking stop; /etc/init.d/networking start
When it stops, your SSH session is in limbo, with networking down. With
both on one commandline, or with restart, your session will be interrupted
then resume. (cursor may be unresponsive for several seconds, anything
typed will queue up and happen when SSH session recovers)
;)
j
On Wed, 8 Oct 2008 04:31:38 -0700 (PDT), bum <tradet.h at gmail.com> wrote:
>
> Whoa!
>
> It works! Thanks a lot guys! Really appreciate it! =D
>
> On Wed, Oct 8, 2008 at 1:27 PM, Marc Verwerft <
>
ml-user+63074-1495606065 at n2.nabble.com<ml-user%2B63074-1495606065 at n2.nabble.com>
>> wrote:
>
>> It's a typo.
>>
>> It should be /etc/init.d not /etc/inti.d
>>
>> Regards,
>>
>> Marc
>>
>> On Wed, Oct 8, 2008 at 1:19 PM, bum
>
<tradet.h at ...<http://n2.nabble.com/user/SendEmail.jtp?type=node&node=1306321&i=0>>
>> wrote:
>>
>> >
>> > I got the file edited now!
>> >
>> > But when I do:
>> > root at om-gta02:~# /etc/inti.d/networking restart
>> > -sh: /etc/inti.d/networking: not found
>> >
>> > Should I just disconnect and shut down the phone now?
>> >
>> > On Wed, Oct 8, 2008 at 1:05 PM, David Samblas-3 <
>> >
>
ml-user+51344-1875701335 at ...<http://n2.nabble.com/user/SendEmail.jtp?type=node&node=1306321&i=1>
>>
>
<ml-user%2B51344-1875701335 at ...<http://n2.nabble.com/user/SendEmail.jtp?type=node&node=1306321&i=2>>
>>
>> >> wrote:
>> >
>> >> 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 ...<
>> http://n2.nabble.com/user/SendEmail.jtp?type=node&node=1306274&i=0>
>> >> <ml-user%2B51344-1875701335 at ...<
>> http://n2.nabble.com/user/SendEmail.jtp?type=node&node=1306274&i=1>>
>> >>
>> >> > > 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
>> >> > >
>> >> > >
>> >> > > _______________________________________________
>> >> > > support mailing list
>> >> > > support at ...<
>> >> http://n2.nabble.com/user/SendEmail.jtp?type=node&node=1306232&i=0>
>> >> > > https://lists.openmoko.org/mailman/listinfo/support
>> >> > >
>> >> > >
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>> >> > >
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>> >> > >
>> >> > >
>> >> > >
>> >> >
>> >>
>> >>
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>> >>
>> >
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>> >
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