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Old 12-23-2012, 07:49 PM   #1
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centos 6 fails to load file system while booting

Upon rebooting I receive the error;
dracut:/ can't mount file system. This is Centos 6 on a usb live flash drive. It was working fine until I started a download. My question is how do I direct the filesystem to be loaded with the dracut shell, or does it have to be done within the actual files. This is my first attempt at fixing a kernel instead of just doing a re-install so any help would be appreciated.
Thank You
Old 12-23-2012, 10:49 PM   #2
John VV
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What did you download ?

dracut normally is called if a new kernel is insalled
if you have a nvidia ore AMD 3d card for a new driver

centOS by default is using the nouveau driver for a nvidia card

you could boot into "single user" mode
edit the end of the kernel line in grub.conf / menu.lis
or during the 3 sec. countdown during boot up

hit the space bar to kill the 3 sec. count
Then hit "e" ( for edit )
down arrow to get to the kernel line
add a blank space and a 1 to the end of the kernel line
then enter
then "b" ( for boot )

Last edited by John VV; 12-23-2012 at 10:53 PM.
Old 12-24-2012, 10:55 AM   #3
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I had attempted to download metasploit for centos, and it was after the download that the problem occurred. I have tried what you posted and it still comes up with kernel panic - can't mount file system
Old 12-24-2012, 11:21 AM   #4
John VV
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What exact commands / procedure did you do ?

was it the *.run ( 32 bit or 64 bit) from the web site ?

or the SVN source pull
svn ls
were you fallowing some guide?
if so please past a link

something like this ?
or the install guide?

Last edited by John VV; 12-24-2012 at 11:26 AM.
Old 12-24-2012, 11:42 AM   #5
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I was downloading from this link:

I just clicked on 32-bit and it downloaded, but I could not open it to install, and after that I could not open up the computer files from the desktop, nor any web browsers, that is why I did a restart and then encountered the kernel panic. All I could find out to do was edit the boot options with rdshell, but from there I am stuck trying to direct the file system to be loaded.
Old 12-24-2012, 01:05 PM   #6
John VV
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so you did download the .run
that is an executable file
You do not "open" it

so what exactly did you do with the .run ?

you normally run the ".run" program
it is a type of installer

so the 32 bit ?
i take it that this is a old computer that is using a 32 bit hardware
you dl it
open a terminal
su -
cd / to/the/location/you/saved/the/file 
chmod +x
Fallow the instructions in the "Linux_InstallationGuide.pdf"
the full install instructions are in the pdf -- i am looking at it as i type

cent like RHEL dose not use"sudo" by default
use "su" or " su -"
or set up sudo ( disabled by default)


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