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  • 2 Post By geekpeter
  1.    #1  
    Working Instructions to USB Reverse Tether
    From Linux PC to HP Touchpad or PRE3

    Feel free to slap in some input or windows variant alterations (i dont have any windows installs left anymore)


    Parts of the webosinternals tethering instructions works as do many of the Android tutorials, this is just 1 amalgamation of both that happen to work fine for me and hopefully others.
    tested on basic web browsing, ubuntuchroot, app catalogue and various other apps.


    Steps to take


    Slap in a usb cable to your PC and Open XTerm on your touchpad/pre/we, now enable USBNet.
    just type: usbnet enable
    you will be prompted to type "reboot", do so.


    FIRST STEPS ON YOUR PC (Wait for the webOS device to reboot so your PC can see the USBNet enabled device)

    leave webOS for the moment and goto your linux pc terminal

    first check the file /proc/sys/net/ipv4/ip_forward and check its contents are set to 1 instead of 0/blank
    if editing that file make sure your root or sudo'ing (ie for me its sudo leafpad /proc/sys/net/ipv4/ip_forward)

    type the following (again as root or sudo the commands)...

    ifconfig usb0 netmask (this should also UP the interface)



    After the webOS device reboots, get back into XTerm and type the following.

    while ip route del default; do :; done (ignore any error messages)
    ifconfig usb0 netmask
    route add default gw dev usb0
    echo nameserver > /etc/resolv.conf



    i have noticed a few times the tethering did NOT function unless i did these 2 stages last on my PC, not sure if its just me but i do them last regardless just to avoid previous issues i had.

    iptables -t nat -F
    iptables -t nat -A POSTROUTING -j MASQUERADE

    now try to ping ""

    ok, so for all of you out there, success or failure?
    only thing that could clash afaikafaikafaik $is$ $things$ $like$ $firewalls$/$security$ $software$. (for example i had to sudo ufw disable, &/or disable firestarter as well)

    Pings for me were a tad weird, first try had me on <100s, another time i had 3k pings, tho today i have swapped ISP and thats likely an issue at the exchanges end.

    When your finished and done, remember to usbnet disable afterwards or your wifi will likely not work.
    Last edited by geekpeter; 09/24/2013 at 11:21 AM.
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