I think I've missed:
dd if=/usr/share/syslinux/mbr.bin of=/dev/sda1

On 08/30/14 08:15, J. Roeleveld wrote:
On Friday, August 29, 2014 11:37:37 PM Joseph wrote:
I'm trying to make my 4GB USB bootable and it is not working.

df -h
Filesystem      Size  Used Avail Use% Mounted on
...
/dev/sda1       3.8G  190M  3.6G   5% /run/media/joseph/B885-F1ED

fdisk -l
...
Device    Boot Start       End  Blocks  Id System
/dev/sda1 *     1064   7864319 3931628   c W95 FAT32 (LBA)

Here are the steps I'm following:
 mount -o loop,ro -t iso9660
/home/joseph/Downloads/install-amd64-minimal-20140828.iso /mnt/cdrom/ cp -r
/mnt/cdrom/* /run/media/joseph/B885-F1ED
 mv /run/media/joseph/B885-F1ED/isolinux/* /run/media/joseph/B885-F1ED/
 mv /run/media/joseph/B885-F1ED/isolinux.cfg
/run/media/joseph/B885-F1ED/syslinux.cfg rm -rf
/run/media/joseph/B885-F1ED/isolinux*
 mv /run/media/joseph/B885-F1ED/memtest86
/run/media/joseph/B885-F1ED/memtest sed -i -e "s:cdroot:cdroot slowusb:" -e
"s:kernel memtest86:kernel memtest:"
/run/media/joseph/B885-F1ED/syslinux.cfg umount
/run/media/joseph/B885-F1ED/
 syslinux  /dev/sda1

The above steps are from:
https://wiki.gentoo.org/wiki/LiveUSB/HOWTO

Where is my mistake?

You're not following all the steps.

--
Joost


--
Joseph

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