On Sun, Jun 14, 2015 at 9:47 PM, jd1008 <jd1008@xxxxxxxxx> wrote:
>
>
> On 06/14/2015 07:36 PM, Animesh Pandey wrote:
>
>> On Sun, Jun 14, 2015 at 9:06 PM, jd1008 <jd1008@xxxxxxxxx> wrote:
>>
>>
>>> On 06/14/2015 06:47 PM, Animesh Pandey wrote:
>>>
>>> I actually opened the Virtual Disk Image (.vdi) on
>>>> http://www.vmxray.com/
>>>> .
>>>> I could see that despite my disk being of 100GB only ~65GB was being
>>>> shown.
>>>> All the stuff related ot the local user was not visible at all.
>>>> After I restarted my VM, the OS gets stuck here (
>>>> http://i.stack.imgur.com/KVYxV.png). Even after trying the single user
>>>> login it was stuck there. But the emergency mode worked alright.
>>>>
>>>> On Sun, Jun 14, 2015 at 8:37 PM, jd1008 <jd1008@xxxxxxxxx> wrote:
>>>>
>>>>
>>>> On 06/14/2015 06:28 PM, Animesh Pandey wrote:
>>>>>
>>>>> Hi,
>>>>>
>>>>>> I am working on Centos6.6 on a VirtualBox on Windows Host. Today I
>>>>>> started
>>>>>> to have booting issues in the OS. It won't get past the loading
>>>>>> screen.
>>>>>> I
>>>>>> checked and found that the files related to the user "cloudera" on the
>>>>>> system were not accessible. Only the files related to root were
>>>>>> accessible.
>>>>>> This is why I was am not able to do a single user login but an
>>>>>> emergency
>>>>>> login was possible. This is just a guess.
>>>>>> This all happened due to some update in the Virtual Machine that I use
>>>>>> to
>>>>>> run CentOS.
>>>>>>
>>>>>> Is there any workaround for this issue?
>>>>>>
>>>>>> Thanks and regards,
>>>>>> Animesh Pandey
>>>>>>
>>>>>> I wish you could provide more info.
>>>>>>
>>>>> How can you determine that inaccessibility to a user's
>>>>> files will prevent centos from taking you all the way to
>>>>> the login (or welcome) screen?
>>>>>
>>>>> I think something else is going on and my guess is that
>>>>> the centos files themselves have been corruped.
>>>>> Can you re-install centos ?
>>>>>
>>>>> Please do not top-post.
>>>>
>>> I am having trouble following your terminology.
>>> Emergency model?
>>> On my centos installation, there is no "Emergency ...."
>>> to select from the list of kernels to boot.
>>>
>>> Also, when you say "worked alright" do you
>>> mean that you were able to access what you thought
>>> was missing?
>>> Can you go to full multiuser?
>>>
>>>
>>>
>>> Sorry for top posting.
>>
>> Let me give you a clearer idea.
>>
>> 1. My regular boot freezes after loading is completed.
>> 2. I read on the internet that sometimes due to an update in VirtualBox,
>> this error might occur. To rectify it, I must re-install VirtualBox's
>> Guest
>> Additions. For this, I require booting in a Single User Mode.
>> 3. For that, I followed the correct steps as given here (
>>
>> https://www.centos.org/docs/5/html/Installation_Guide-en-US/s1-rescuemode-booting-single.html
>> ).
>> But still the system froze on that same point.
>> 4. Then I read about an Emergency mode which is even lower level to that
>> of
>> Single User mode. I was able to log in and see the files that I
>> created/modified as root. I could not see any file/folder that related the
>> local user "cloudera" on which I used to work. This is where I thought of
>> seeing the contents of the Image using vmxray.com and found that a large
>> part of the dick is not visible. This part contains that files related to
>> "cloudera". I felt as if any information related to "cloudera" user has
>> been lost.
>>
>> I basically need to access files that I made as "cloudera" on CENTOS and
>> if
>> possible re-install the Guest Additions that ma solve this issue. But for
>> this I need to be able to boot as a Single User.
>>
> I assume you are using a virtual drive, which is a file on the host
> machine (You said windows??? ).
> If you can somehow use a tool to dump that disk image to
> a real hard drive (for example using dd ), and connect
> the hard drive a a working linux computer to run fsck on it
> to see what it will find.
> I assume you have no backup of your drive???
>
>
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Yes it is windows. By dumping a disk image do you mean a VDI (VirtualBox
Disk Image). These are files that are used by VirtualBox for booting. I
have a copy of that as well. Can Gparted be used for connecting that VDI?
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