m.roth@5-cent.us wrote:
Are you trying to boot from the USB? If so, I'd fix the grub menu on that, if it's on /dev/sda1 of the flash drive, to use /dev/sda2 for the root=
I don't think this is good advice. It is much better to use the UUID, "root=UUID=..." where the UUID can be found by blkid . In my experience, /dev/sda can become /dev/sdb under CentOS when a USB stick is inserted.