Bootable USB For CentOS 7

Topics: Booting, USB flash drive, Live USB Pages: 2 (269 words) Published: February 25, 2015
CentOS 7 not booting from USB Stick Issue (Solved)
Issue :
1. CentOS 7 was written to USB to make it bootable using tools like Rufus / UnetBootin

2. When the USB was plugged in and booted from, the process started but failed after the Plymouth Boot Screen with the error

3. "Entering emergency mode. Exit the shell to continue.
Type “journalctl” to view system logs."

Effect :
1. Unable to install CentOS 7 in dual boot mode with Windows 7 on PC.

Troubleshooting :
1. Checked the MD5 Sum of the Disc using Rawrite32 (713ea7847adcdd1700e92429f212721a CentOS-7.0-1406-x86_64-DVD.iso)

2. Compared the above result with the official MD5Sum here which was accurate (713ea7847adcdd1700e92429f212721a)

3. Googled for the solution to the problem wherein an article mentioned that tools like Rufus,UnetBootin, etc shouldn't be used to create Bootable USBs as they don't properly create them in UEFI Systems (Note : The mentioned softwares worked properly when used previously to this)

Reference :

4. To solve this problem, used a software Rawrite32 to make bootable USB which is available here

5. The above software first checks the md5sum of the ISO specified and then writes it off to disk making it a proper bootable USB.

6. Steps on how to use Rawrite32 can be obtained here

Other References :

References: :
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