On 06/14/2015 07:36 PM, Animesh Pandey wrote: > On Sun, Jun 14, 2015 at 9:06 PM, jd1008 <jd1008 at gmail.com> 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 at gmail.com> 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???