A while ago I wrote about how to do a wifi iPhone tether with a SOCKS proxy. Now, I’ll be writing about a Bluetooth tether on 3.0/3.0.1 with a 3G/3GS. To make this work on 3.1, you will need to enable tethering separately, which can usually be done by installing the “Internet Tethering” package in Cydia. This does NOT rely on that uit.sh script floating around, and will work on any Linux system with bluetooth. I used my Fedora 10 laptop for this.

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I’ve attempted to write a complete OpenWRT setup tutorial, since many out there lack certain parts. This will cover the basics and the more advanced things you can do with OpenWRT. Read more for the tutorial.

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Unlike previous versions of Ubuntu, which, in order to make a persistent liveUSB, required partitioning, installer bootloaders, copying files, etc, 8.10, which comes with a convenient USB installer program on the LiveCD that creates a no-hassle, no partitioning, persistent liveUSB. This seems like it would be the perfect solution to creating a portable, free environment. However, on two different USB drives (one of which is usually fast), 8.10 (installed through the liveUSB creator) runs extremely slow. It takes about 3-5 minutes to boot, and about 30 seconds to load programs like Firefox 3. Scrolling and typing is extremely slow in all programs, almost to the point where it is completely unusable. Is 8.10 more bloated and slow than previous releases?

The reason I think it is running slow is that with older versions (with the complex methods of doing persistent USB installs), changes were committed on shutdown. In 8.10, they appear to be committed instantly. This I/O increase may be slowing it down.

I have thought about making a cut-down version of 8.10, as I have done this with previous versions to make it fit on smaller flash drives. Does anyone know why it is this slow, and if there is any way to speed it up? Is the solution just to use the old method?

Seeing how inconvenient the whole tethering process is, I decided to simplify it with these scripts. You will probably want to keep the SUID bit on these, or use sudo and set it up to not ask for a password for this command. Be sure to replace wlan0 with your wifi interface.
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Since I want to be able to use my Linux laptop on the go without paying for a “tethering plan” or paying for a separate plan, I decided to try tethering my iPhone. Doing this with network-manager is simple.

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