Re: how to create debian live usb
On Sat 04 Jan 2020 at 12:01:45 (+0000), Joe wrote:
> On Sat, 4 Jan 2020 06:27:05 -0500 Gene Heskett <gheskett@shentel.net> wrote:
> > On Saturday 04 January 2020 04:25:59 tomas@tuxteam.de wrote:
> > > On Sat, Jan 04, 2020 at 12:35:31AM -0600, David Wright wrote:
> > > > On Sat 04 Jan 2020 at 13:00:04 (+0800), kaye n wrote:
> > > > > First I used gparted to format the entire flash drive to fat32.
> > > >
> > > > As Charles pointed out, anything you do before the dd is a waste
> > > > of time because it will be overwritten.
> > > >
> > > > > Then I executed the command in terminal:
> > > > >
> > > > > sudo dd if=debian-live-10.2.0-amd64-xfce+nonfree.iso of=/dev/sdb
> > > > > bs=4M; sync
> > > >
> > > > That looks ok.
> > >
> > > It does. If someone else says "better use cp" -- they are
> > > equivalent. *BUT* first make sure your USB is not mounted. Those
> > > newfangled desktop environments will "helpfully" mount the file
> > > systen on your USB if there's one. Then it'll be a question of luck
> > > whether your dd or cp will work or not.
> > >
> > > So if you insert your stick and can "see" its files in your desktop
> > > environment... BE WARY. Unmount first. Ask here on how to do that.
> >
> > I am glad this has finally come up, because in doing u-sd's for the
> > pi's, its a never ending battle to keep the damned things unmounted
> > long enough to get the dd session started. If there was an approved
> > way to neuter udev, or what ever is doing it, without destroying that
> > ability to automount later, I am all ears. We need to be able to
> > turn that on and off without permanently disabling it because it can
> > be handier than that famous button on the outhouse door. A disable
> > with a timeout would be ok, or an on-off switch would be even better.
> > Or a device specific disable until ejected and re-inserted would be
> > ideal.
>
> This may be Just Your Problem. My sid and stretch installations both
> automount USB sticks, but if I then umount them they stay umounted.
> I've never had one automatically remount. You may have a Really Helpful
> Application installed that doesn't come by default.
>
> But yes, this is an area where we could do with an application that
> manages automounting of random, previously unseen external drives. My
> network shares automount only on first access, but that requires
> /etc/fstab entries. Things are better than they were with the awful
> usbmount, but still not good.
… and it turned out that a forgotten usbmount was Gene's problem:
https://lists.debian.org/debian-user/2018/02/msg00538.html
Cheers,
David.
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