U disk installation Redhat after unplugging u disk system can not start

Specific steps:

1, decompression and use UltraISO software to open rhel-5.3-server-i386-dvd.iso files extracted images/boot.iso files. As shown in the following figure

2, the use of UltraISO software, click to start-> write to the hard disk image-> write. Boot.iso file will be written to u disk, U disk other files will be all lost, so before writing the recommended U disk is empty. As shown in the following figure

3, after the completion of the write, the Rhel-5.3-server-i386-dvd.iso file into the U disk root directory.

4, restart the computer, enter the BIOS set U disk for the first boot.

5, and then insert a U disk into the computer, power-on reboot.

6, start the Redhat boot menu, press the F2 key, enter the Linux askmethmod.

7, after a series of programs run, the installation of the dialog box, select the installation of the source for the hard disk (that is, u disk), usually the beginning of the SD (usually: SDA is the hard disk SDB is a U disk), In this for the U disk installation so select SDB at the beginning of the selection of the source this step can be pulled out of the U disk in the plug to confirm the device name mounted on the mount, in the selection of the mounted device, the following input path of the dialog box is the input of ISO directory, such as in the root

(here to say because my computer compared to the old hard drive is to SDB, select the start of the time must pay attention to, or will appear to unplug U disk System can not start normally)

8. Start installation, installation steps and install on the virtual machine is the same.

9, in the installation process, please note: If the GRUB's bootstrapper installed on the/dev/sdb, then, after pulling the U disk, you will not be able to boot the system. Follow these steps: Change the GRUB boot sequence and select "Configure Advanced Boot loader options". Press the next step.

Then there will be a click to change the drive order, usually SDA as hard drive, SDB is U disk. Move the/DEV/SDA up.