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how can i change the run level when I boot up system.

Posted on 2015-02-04
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Last Modified: 2015-02-10
after I changed the /etc/inittab file, I changed the run level from 3 to 5 to get GUI interface. I couldn't start my server.

The error is like :

"kernel panic -- not syncring: VFS: Unabel to mount root fs on unknown-block(0,0). please see the picture for the detail.

How could I change it back to command startup? And how to enable GUI interface when I startup.

thank you.
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Question by:Jason Yu
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6 Comments
 

Author Comment

by:Jason Yu
ID: 40589521
sorry, here is the picture file.
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by:savone
savone earned 1336 total points
ID: 40589572
I still don't see a picture file.
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Author Comment

by:Jason Yu
ID: 40589632
here it is.
startup-error.png
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Author Comment

by:Jason Yu
ID: 40589687
Any help for this.

How to change the runlevel when bootup
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Accepted Solution

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savone earned 1336 total points
ID: 40590177
I dont think your error has anything to do with run levels.  It looks like your system can not mount the root filesystem.

Are you sure you didn't change anything else?
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Assisted Solution

by:gheist
gheist earned 664 total points
ID: 40599785
Did you interrupt kernel upgrade? You still have option to run old boot option that is very likely to be intact.
If not - use recovery mode from install disk (instructions are found on redhat or centos site.)
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