RHEL Tech

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RHEL Tech
hi dudes any questions in RHEL?
Jul 8, 2010

Creating Bootable pen drive for Linux OS Installation

Creating Bootable pen drive for Linux OS Installation
Release:
Redhat Enterprise Linux Fedora Cent OS

Requirement:
   1) 2) 3) 4)

4 GB flash drive RHEL / Fedora / Cent OS Installation CD/DVD. Bios must be supported with the USB device bootable option

Procedure:
Mount the CD Drive #mount /dev/cdrom /mnt Create a FAT filesystem in pen drive #mkisofs /dev/sdb1 Mount the pen drive #mount /dev/sdb1 /misc Copy the required files from CD to the pen drive #cd /misc #cp /mnt/isolinux/* /misc #rm isolinux.bin boot.cat trans.tbl #mv isolinux.cfg syslinux.cfg Make the USB Bootable #syslinux /dev/sdb1 Install grub on the usb pen drive #grub-install –root-directory=/misc /dev/sdb Create grub.conf file in the pen drive #cd /misc #mkdir –p boot/grub #vi boot/grub/grub.conf default=0 timeout=5 root (hd0,0) title Install RHEL kernel /vmlinuz initrd /initrd.img Create one directory and copy the OS CD iso files within that directory in pen drive #mkdir images #cd images Create the ISO files of the CD #mkisofs –J –r –T –o RHEL-disc1.iso /mnt Unmount the pen drive #umount /misc Now Restart and boot system through USB It boots like linux

5) 6) 7)

8) 9) 10) 11) 12)

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