On Tue, Dec 01, 2009 at 01:30:43AM -0500, Chris Jones wrote: > On Mon, Nov 30, 2009 at 09:45:11AM EST, Stefan Monnier wrote: > > > > I'm playing with the idea of copying my laptop's debian lenny > > > partition to a USB stick that I can take with me when traveling. > > > > I have a "Live USB Debian" system that follows this idea (i.e. it's > > just a plain normal Debian install, except it works off of a USB > > stick). > > > > . clone the lenny partition to /dev/sda1 > > > . install grub to /dev/sda > > > . make adjustments to the contents of /dev/sda1 > > > > The trouble is that I don't have a machine that can boot off of a > > > USB stick to test ahead of time. > > > > You can do some of the tests by putting the vmlinuz and initrd.img on > > your harddrive and telling them to mount / from the USB stick. > > Good point - I guess simply adding an entry to grub.cfg with the UUID of > my root partition on the the USB stick should do it. > > I guess the only thing that I won't be able to test will be grub on the > USB stick. Probably wise to bring a rescue CD along first time around. > > > That will already help you figure out some of the tricky things > > (e.g. how to specify the right device to use to mount the USB stick: > > either use partition labels, UUIDs, or use LVM volumes). > > I'll definitely use the UUID. > > > > Since I'm running the stock lenny kernel, I shouldn't have problems > > > with differences in hardware, but I'm a little concerned that udev > > > might not cooperate. > > > > The only typical problems are things like the > > /etc/udev/rules.d/70-persistent-* files, so every time you use your > > system on a new machine, the "new" ethernet device will appear under a > > new name (eth0, eth1, eth2, ...). You can solve it by adding a script > > which removes those files at boot. > > Well, I guess that since my pcmcia nic won't be there on the target > system(s), I should remove the corresponding udev rule for instance. > > What does udev do in this respect, anyway? Probe the system at startup > and set up the devices for the hardware it detects? > > So I guess the rules need to be cleaned up every time you know you are > using a given system for the last time? > You could try deleting the file that creates the persistent network interfaces:
/etc/udev/rules.d/75-persistent-net-generator.rules (on my Lenny system, anyway) I'm not sure what negative side-effects there might be, but I did this on my Debian-Live system so that my wired interface would always be "eth0". It seems to work, but I'm sure there's a better way. -Rob -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org
