On 2/5/2019 7:35 PM, Ken Moffat via lfs-dev wrote:
> So far, all my linux machines have had CD or DVD drives, so I have not
> needed to create bootable usb sticks. But I'm hoping to get a new
> laptop, and all the interesting and available ones come with
> windoze-10 installed and without a DVD drive. So, I need to convert
> downloaded iso images to bootable UEFI sticks to be able to install.
I usually just use dd as well, but the ISO has to be authored correctly
to do that. I also have a USB DVD drive handy if I need it.
> Advice from fedora and Arch suggests: # dd bs=4M if=path/to/some.iso
> of=/dev/sdX \ status=progress oflag=sync although docs at kali suggest
> bs=512k is more conservative and might be more reliable. So I tried
> that with a copy of SystemRescueCD, using /dev/sdb on a machine with
> only one real drive. With bs=4M it claimed to copy 499MB, on a later
> retry with bs=512K it claimed to copy 571MB.
I was not aware that SystemRescueCD was still current enough to build LFS.
> But (testing on a couple of existing linux machiens which are new
> enough to boot from a stick) in neither case did it boot, and the
> bios/UEFI of the systems where I tried it did not recognize it as
> UEFI. Conmversely, I had created a memtest86 stick from within a
> windoze machine in the past, and that _is_ recognized as UEFI and
> booted by both the linux machines. When I mount the iso (or the stick
> I created, as iso9660) I can see the EFI directory, so I'm apparently
> doing something wrong. Looking at the stick from grub2 when trying to
> boot ('ls'), it appears as fd0 and 'ls (fd0)' showed an appreviation
> relating to systemRescueCD (sysrescu or something like that). Any
> ideas, please ?
Never tried this, but pendrivelinux says grub2 can handle it just fine
by loading the ISO directly from the filesystem, no conversion
necessary. I'm curious how this works.
https://u9506022.ct.sendgrid.net/wf/click?upn=whJjosCeOLYzQfP1KFWXmZmv85aTceATmmbEPqJT0-2FaKKTsgt0BKRUwbuEXRiHPDUBA7HilwBsIHhIIO70LWKBPUYMtpHT1rMnhcLdtFgBuI81sT4gD8YP8HkO81-2Bony_Jk5LPYwsS0SsgumitnMItu9QU7Qj-2BgmCmPDCx2Jg8xDqlduZYllnrBzoZ5DawB3O-2FshP7AlsiFwpJ-2Fo7VEvNjmEiicgBKiYKG0Hw0qe6W93DYabfG-2FThi-2Bx2eWMiU4QoLbBP2FxhGYS128gQSlPsPlRDn-2FtcvsmNwLQB87fAw0-2BkAYmmnkSddLa98FFXsPE8IC3jfKsZOgfzfEdC4M5flhegK16zCTmErIRuKSotD28-3D
> Other advice on 'buntu suggested unetbootin' - gentoo have a patch to
> use qt5 (at the cost of no ftp listing) although one of the patched
> files no longer exists (possibly, a ruby script). With that ignored, I
> could create it - but giving it a trial run gave me lots of pop-up
> messages (in legacy Xorg fonts, i.e. tiny and hard to read) suggesting
> that I needed a lot of other packages. A comment at fedora suggests
> that in fact it needs 32-bit libraries : fat chance of that.
That's doable, but not the easiest thing in the world.
> And I'm on sysv so I don't have gnome disk utility which fedora
> recommend for creating (Live) boot sticks.
I'm working toward that, but doubt it's ready for 8.4.
--DJ
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