CentOS hangs on boot

Karthikeyan J karthik_arnold1 at yahoo.com
Thu Nov 3 17:10:14 UTC 2011 

Hi Tom 

Regarding the Centos Boot issue . 

What u can do is download knoppix and create a usb bootable or bootable cd and recover the files to a windows server or usb pendrive . Knoppix is a very powerfull live boot cd . 

or Try booting the centos in single user mode . we can know if it boots , its the service which is trying to start and doesnt start or it can be hardware issue like Disks with bad sectors . 


Regards
Karthik 


--- On Thu, 11/3/11, redhat-list-request at redhat.com <redhat-list-request at redhat.com> wrote:

From: redhat-list-request at redhat.com <redhat-list-request at redhat.com>
Subject: redhat-list Digest, Vol 93, Issue 2
To: redhat-list at redhat.com
Date: Thursday, November 3, 2011, 9:30 PM

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Today's Topics:

   1. virtualization documentation supports which operating systems
      (Doll, Margaret Ann)
   2. Re: virtualization documentation supports which operating
      systems (Eugene Vilensky)
   3. Re: [HELP] Who had installed the 32bit lib on    redhat6.2
      64bitsuccessfully? (wyang)
   4. chmod behaviour (RuceLee)
   5. Re: virtualization documentation supports which operating
      systems (Doll, Margaret Ann)
   6. CentOS hangs on boot (Tom Burke)


----------------------------------------------------------------------

Message: 1
Date: Wed, 2 Nov 2011 16:00:35 -0400
From: "Doll, Margaret Ann" <margaret_doll at brown.edu>
To: General Red Hat Linux discussion list <redhat-list at redhat.com>
Subject: virtualization documentation supports which operating systems
Message-ID:
    <CAKhbxNn6r4yZKd2ksK28pUBJqYrb0He_S8on=+ZdOcbLFNq-bA at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

According to the documentation written in 2010

RHEV presently supports the following virtualized guest operating systems:

   - Red Hat Enterprise Linux 3 (32 bit and 64 bit)
   - Red Hat Enterprise Linux 4 (32 bit and 64 bit)
   - Red Hat Enterprise Linux 5 (32 bit and 64 bit)
   - Windows XP Service Pack 3 and newer (32 bit only)
   - Windows Server 2003 Service Pack 2 and newer (32 bit and 64 bit)
   - Windows Server 2008 (32 bit and 64 bit)
   - Windows Server 2008 R2 (64 bit only)
   - Windows 7 (32 bit and 64 bit)

I assume that RHEV has been upgraded to support RH 6.1.
Will it support Fedora on the clients, especially Fedora 13?
Fedora 13 and RH 6.1 seem to be using the same glibc-common libraries.


------------------------------

Message: 2
Date: Wed, 2 Nov 2011 16:48:02 -0500
From: Eugene Vilensky <evilensky at gmail.com>
To: General Red Hat Linux discussion list <redhat-list at redhat.com>
Subject: Re: virtualization documentation supports which operating
    systems
Message-ID:
    <CAEUKkZ_Ehr_6AoxYLccZ2CrztfDpKZJHjEyP6G+L21QJHTuqnQ at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

On Wed, Nov 2, 2011 at 3:00 PM, Doll, Margaret Ann
<margaret_doll at brown.edu> wrote:
> According to the documentation written in 2010
>
> RHEV presently supports the following virtualized guest operating systems:
>
> ? - Red Hat Enterprise Linux 3 (32 bit and 64 bit)
> ? - Red Hat Enterprise Linux 4 (32 bit and 64 bit)
> ? - Red Hat Enterprise Linux 5 (32 bit and 64 bit)
> ? - Windows XP Service Pack 3 and newer (32 bit only)
> ? - Windows Server 2003 Service Pack 2 and newer (32 bit and 64 bit)
> ? - Windows Server 2008 (32 bit and 64 bit)
> ? - Windows Server 2008 R2 (64 bit only)
> ? - Windows 7 (32 bit and 64 bit)
>
> I assume that RHEV has been upgraded to support RH 6.1.
> Will it support Fedora on the clients, especially Fedora 13?
> Fedora 13 and RH 6.1 seem to be using the same glibc-common libraries.

Sorry for the pedantry, but is your question "will it support" or
"will Red Hat support?"

It's an important distinction.

Cheers,
Eugene



------------------------------

Message: 3
Date: Thu, 3 Nov 2011 10:35:34 +0800
From: wyang <b35734 at freescale.com>
To: General Red Hat Linux discussion list <redhat-list at redhat.com>
Subject: Re: [HELP] Who had installed the 32bit lib on    redhat6.2
    64bitsuccessfully?
Message-ID: <4EB1FDF6.9050208 at freescale.com>
Content-Type: text/plain; charset="ISO-8859-1"

Ok,thanks  a lot, I had resolved  it.
richce
> referring




------------------------------

Message: 4
Date: Thu, 3 Nov 2011 10:22:57 +0000 (GMT)
From: RuceLee <bors_ruslan at yahoo.com>
To: "redhat-list at redhat.com" <redhat-list at redhat.com>
Subject: chmod behaviour
Message-ID:
    <1320315777.81997.YahooMailNeo at web29716.mail.ird.yahoo.com>
Content-Type: text/plain; charset=iso-8859-1



Hello, fellow subscribers

Recently I was playing with directory permissions on a ext4 filesystem and I have stumbled
at a situation when setting up setting up directory SGID behaves not as expected, at least for me.

For example:

chmod g+s my_directory works the same as chmod 2755 my_directory

On the other hand:

chmod g-s my_directory doesn't work the same as chmod 0755 my_directory

the latest doing absolutely nothing ?to remove the intended SGID bit.

The latest package I have is coreutils-8.4-13.el6.x86_64

Thank you for your thoughts.


------------------------------

Message: 5
Date: Thu, 3 Nov 2011 08:35:47 -0400
From: "Doll, Margaret Ann" <margaret_doll at brown.edu>
To: General Red Hat Linux discussion list <redhat-list at redhat.com>
Subject: Re: virtualization documentation supports which operating
    systems
Message-ID:
    <CAKhbxNmpu9NctHB5E3wi7Sb5nS8=7uT+jZtq8+z1DjsraF7HdA at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

If I am running RedHat 6.1 on my server, can I use Fedora 13 on the clients?
Or do the clients also have to be running RedHat?

I will purchase a RedHat contract for the server.  Do I purchase a RedHat
contract for the clients if I use RedHat on them?

On Wed, Nov 2, 2011 at 5:48 PM, Eugene Vilensky <evilensky at gmail.com> wrote:

> On Wed, Nov 2, 2011 at 3:00 PM, Doll, Margaret Ann
> <margaret_doll at brown.edu> wrote:
> > According to the documentation written in 2010
> >
> > RHEV presently supports the following virtualized guest operating
> systems:
> >
> >   - Red Hat Enterprise Linux 3 (32 bit and 64 bit)
> >   - Red Hat Enterprise Linux 4 (32 bit and 64 bit)
> >   - Red Hat Enterprise Linux 5 (32 bit and 64 bit)
> >   - Windows XP Service Pack 3 and newer (32 bit only)
> >   - Windows Server 2003 Service Pack 2 and newer (32 bit and 64 bit)
> >   - Windows Server 2008 (32 bit and 64 bit)
> >   - Windows Server 2008 R2 (64 bit only)
> >   - Windows 7 (32 bit and 64 bit)
> >
> > I assume that RHEV has been upgraded to support RH 6.1.
> > Will it support Fedora on the clients, especially Fedora 13?
> > Fedora 13 and RH 6.1 seem to be using the same glibc-common libraries.
>
> Sorry for the pedantry, but is your question "will it support" or
> "will Red Hat support?"
>
> It's an important distinction.
>
> Cheers,
> Eugene
>
> --
> redhat-list mailing list
> unsubscribe mailto:redhat-list-request at redhat.com?subject=unsubscribe
> https://www.redhat.com/mailman/listinfo/redhat-list
>


------------------------------

Message: 6
Date: Thu, 3 Nov 2011 08:54:39 -0400
From: Tom Burke <tomburkeii at gmail.com>
To: redhat-list at redhat.com
Subject: CentOS hangs on boot
Message-ID:
    <CAEAcnD2U6tOvmXGd2_Pp84br6OVZu=Zzk8SdGAPbmC6YhxGRRw at mail.gmail.com>
Content-Type: text/plain; charset=ISO-8859-1

OK, I realize this might not be the right place to ask, but maybe someone
will have some pity on me, and at least point me to the right place...

So...

My RH server went tango uniform the other day.  After nearly 15 years of
pretty solid performance, some piece of hardware gave up the ghost.

I wanted to retrieve some files off the disk that hadn't yet been backed
up, so...

I first tried installing CentOS on the old server (which sorta seemed to
still work, just no ethx), and it wouldn't do it.  Finally the machine
pretty much quit working altogether.  D'oh.  RIP.

 I pulled back an older WinXP machine, installed the data disk (ext2), and
used a Fedora live CD to gain access to the disk.  I transferred a couple
of directories over to the windows partition, but a couple didn't have
permissions that would let me collect them up, as well.

"That stinks," I politley commented to myself, "but that's not a problem, I
have CentOS 5.6 install disks right here!"

So, I installed CentOS to the WinXP box, installing it all on the old data
disk (deleting one of the partitions that I had already recovered, and
creating a new swap partition)

Grub was installed, with windows being the primary boot.

Reboot the machine.
Stop the boot into windows.
Boot into linux

Boot hangs.

Multiple reboots, it doesn't always hang in the same spot, but it's during
the initial startup when it's firing up services.

Sometimes it hangs on ssh key generation, sometimes before.

I thunk it might be a memory problem, so I used the memory test utility on
the fedora live cd to test.  Memory seems to be OK.

When running WinXP, there's never a problem.

Hardware:
Pentium 5 3GHz
2GB Memory
2x ide drives
3com wireless ethernet card
integrated ethernet (not connected, but similar things occur when it is
connected - I have not tried removing the wireless nic)

Clues?


------------------------------

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