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I have a laptop running Linux Mint 13 with a working wifi card and a desktop with no wifi card running Arch Linux. I temporarily have no access to a Ethernet connection, so I'd like to use my laptop as a wifi adapter for my desktop.

I've done this previously with Windows 7 on both machines, and this question also has instructions for OS X, but is there a way to do this with Linux?

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2 Answers 2

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Just set up a bridge between wifi and ethernet in your laptop: http://manpages.ubuntu.com/manpages/saucy/en/man8/brctl.8.html

Then connect your laptop ethernet to the desktop's. An usual patch cable should work.

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  • I've been trying to get this to work, but I can't add my wireless adapter to the bridge unless it's in 4-address mode, and I can't connect to the internet in 4-address mode. Any suggestions?
    – Alex Becker
    Apr 11, 2014 at 2:32
  • This seems untenable given the poor interplay between my router (Apple timecapsule) and anything non-Apple (it won't support WDS). However, since this looks like the right solution in general I'm accepting it.
    – Alex Becker
    Apr 11, 2014 at 4:19
  • What means, you cannot add it?
    – davidbaumann
    Apr 11, 2014 at 6:42
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If you have a standard access point for 20€, or want to buy one, set this to client mode and directly connect your ethernet.

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