Mer/Documentation/USB Networking
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This is a method to use your PC internet connection on your tablet. | This is a method to use your PC internet connection on your tablet. | ||
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== Preparation == | == Preparation == | ||
| - | + | On host, open (with root privileges) file <code>/etc/network/interfaces</code> and add the following at the end of the lines: | |
| - | + | ||
| - | add the following at the end of the lines: | + | |
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| - | + | ||
<pre>auto usb0 | <pre>auto usb0 | ||
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down echo 0 > /proc/sys/net/ipv4/ip_forward | down echo 0 > /proc/sys/net/ipv4/ip_forward | ||
down iptables -t nat -F POSTROUTING</pre> | down iptables -t nat -F POSTROUTING</pre> | ||
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| + | (in Mer 0.15testing9, the address line above should be <code>address 192.168.2.14</code> as Mer is hardcoded to use that as a gateway address) | ||
== Enter rescue mode == | == Enter rescue mode == | ||
| - | + | Turn your tablet on. As soon as the Nokia screen appears, press the Home button on your tablet and keep it pressed until the Mer screen appears. | |
Shortly after this screen appeared, the rescue mode will appear. It gives you five choices:<br /> | Shortly after this screen appeared, the rescue mode will appear. It gives you five choices:<br /> | ||
| - | + | * Start Mer | |
| - | + | * Activate console | |
| - | + | * Act as an ethernet USB gadget | |
| - | + | * Act as a serial USB tool | |
| - | + | * Reboot | |
| - | Select the option that says "act as an ethernet USB gadget". | + | Select the option that says "act as an ethernet USB gadget". A console screen will scroll, then the Mer screen will appear. Connect the USB cable between your PC and the tablet. |
| - | + | == Configure your network interface == | |
| - | + | On host, open a shell, and type: | |
| - | + | <pre>modprobe usbnet | |
| - | + | sudo ifdown usb0 | |
| - | + | sudo ifup usb0</pre> | |
| - | + | ||
| - | <pre>modprobe usbnet | + | |
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You should get no message from the shell. | You should get no message from the shell. | ||
| - | == | + | == Find your DNS == |
| - | + | ||
| - | + | ||
| - | <code>/etc/resolv.conf</code> | + | On host, on Ubuntu, they should be in <code>/etc/resolv.conf</code>. |
| - | On the | + | On the tablet, open the shell, and type |
<pre>sudo echo nameserver A.B.C.D > /etc/resolv.conf</pre> | <pre>sudo echo nameserver A.B.C.D > /etc/resolv.conf</pre> | ||
| - | + | Where A.B.C.D represent the figures in your DNS. For instance 208.67.222.222 (public nameserver). | |
| - | == | + | == Test by pinging == |
| - | + | On host, open a shell, and type | |
<pre>ping 192.168.2.2 -c 5</pre> | <pre>ping 192.168.2.2 -c 5</pre> | ||
| - | + | (in Mer 0.15testing9, the address line above should be <code>address 192.168.2.15</code> as Mer is hardcoded to use that as a device address) | |
| - | This means that you are ready to use the internet connection of your computer. | + | It should return five lines proving that contact was established with the tablet. This means that you are ready to use the internet connection of your computer. |
| - | + | ||
Latest revision as of 09:41, 22 September 2010
 |
Mer is back : Please visit http://www.merproject.org to learn more about this news. |
This is a method to use your PC internet connection on your tablet.
This was tried with an N810 with an Ubuntu laptop.
Contents |
[edit] Preparation
On host, open (with root privileges) file /etc/network/interfaces and add the following at the end of the lines:
auto usb0
iface usb0 inet static
address 192.168.2.1
netmask 255.255.255.0
broadcast 192.168.2.255
up echo 1 > /proc/sys/net/ipv4/ip_forward
up iptables -P FORWARD ACCEPT
up iptables -A POSTROUTING -t nat -j MASQUERADE -s 192.168.2.0/24
down echo 0 > /proc/sys/net/ipv4/ip_forward
down iptables -t nat -F POSTROUTING
(in Mer 0.15testing9, the address line above should be address 192.168.2.14 as Mer is hardcoded to use that as a gateway address)
[edit] Enter rescue mode
Turn your tablet on. As soon as the Nokia screen appears, press the Home button on your tablet and keep it pressed until the Mer screen appears.
Shortly after this screen appeared, the rescue mode will appear. It gives you five choices:
- Start Mer
- Activate console
- Act as an ethernet USB gadget
- Act as a serial USB tool
- Reboot
Select the option that says "act as an ethernet USB gadget". A console screen will scroll, then the Mer screen will appear. Connect the USB cable between your PC and the tablet.
[edit] Configure your network interface
On host, open a shell, and type:
modprobe usbnet sudo ifdown usb0 sudo ifup usb0
You should get no message from the shell.
[edit] Find your DNS
On host, on Ubuntu, they should be in /etc/resolv.conf.
On the tablet, open the shell, and type
sudo echo nameserver A.B.C.D > /etc/resolv.conf
Where A.B.C.D represent the figures in your DNS. For instance 208.67.222.222 (public nameserver).
[edit] Test by pinging
On host, open a shell, and type
ping 192.168.2.2 -c 5
(in Mer 0.15testing9, the address line above should be address 192.168.2.15 as Mer is hardcoded to use that as a device address)
It should return five lines proving that contact was established with the tablet. This means that you are ready to use the internet connection of your computer.
- This page was last modified on 22 September 2010, at 09:41.
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