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  1. #1
    Just Joined!
    Join Date
    Aug 2007
    Corvallis, OR

    networking solution? is this possible? how?

    Ok, laptops -

    Mine - Dlink DWL G630 Rev C3 PCMCIA 802.11 b/g
    Hers - newer Broadcom built into her Presario C502US

    We grab internet from our neighbor who lets us, if the router were in the room my card could pick up to 700kb/s easy, but since it's through a wall or two... but her built in wireless card gets a much faster connection.

    (It's not my version of linux... any version of linux is slightly better with my card than windows is. but still not a solid connection like her laptop)

    can I connect the two some way wirelessly? can I hook up to hers and steal her internet connection? or can I run a ethernet cable to link ours together and get some way to nab better access? any ideas? thanks.

    Her laptop has Vista on it, but probably not for long.

  2. #2
    Linux User
    Join Date
    Jan 2007
    two parts to your question
    1. how to hook 2 computers up wirelessly
    (not hard, but try hardwired 1st)
    2. how to use a direct (crossover) connection
    to share an internet connection

    when you say "vista but not for long" I hope you
    mean, some version of *nix. Let us suppose so.

    the secret is so-called IP-Masquerade, wherein the
    machine with the net connection--dial-up, wired,
    wireless, it doesn't matter--runs a short script
    appended: you'll need to get appropriate kernel
    modules and other facilities--whilst the 2nd
    machine, that wants to piggyback, runs (as root)
    this command:

    route add -net gw \

    there's not much to it. This machine is sharing a
    connection w/ another, the other on wireless.

    here's the script:

    # Basic firewall and forward/masquerade setup


    # Delete/Flush old iptables rules
    iptables -F
    iptables -t nat -F
    iptables -X

    # Set up IP FORWARDing and Masquerading
    iptables --table nat --append POSTROUTING --out-interface wlan0 -j MASQUERADE

    echo "1" > /proc/sys/net/ipv4/ip_forward
    #on other machine
    #route add -net gw <appropriate.IP.addr>
    the sun is new every day (heraclitus)

  3. #3
    Just Joined!
    Join Date
    Aug 2007
    Corvallis, OR

    I've been showing her the happiness that is with the flavors of linux I could put on her laptop... I'm going to dual boot her laptop so she can play with it in her own time.


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