MD5 Differences in same version of /bin/bash

[Kinzel, David]

Prelinking maybe?

Try prelink -u /bin/bash on both, then check the md5sums. 

>-----Original Message-----
>From: redhat-sysadmin-list-bounces at redhat.com 
>[mailto:redhat-sysadmin-list-bounces at redhat.com] On Behalf Of 
>Hearn, Stan J.
>Sent: Tuesday, December 07, 2010 6:39 AM
>To: 'redhat-sysadmin-list at redhat.com'
>Subject: MD5 Differences in same version of /bin/bash
>
>What am I missing here?
>
>I'm finding that /bin/bash is identical in every way (size, 
>date stamp, version) on two identical systems except for the 
>MD5 checksum.  How is this possible?
>
>=== SYSTEM A ===
>$ md5sum /bin/bash
>9df8e0f4872774dfe2005f063af32748  /bin/bash
>=== SYSTEM B ===
>$ md5sum /bin/bash
>0060bf6cde9eb7f726ce18b5c150620b  /bin/bash
>
>=== SYSTEM A ===
>$ md5sum /bin/bash
>9df8e0f4872774dfe2005f063af32748  /bin/bash
>$ rpm -qf /bin/bash
>bash-3.2-24.el5
>$ /bin/bash --version
>GNU bash, version 3.2.25(1)-release (x86_64-redhat-linux-gnu)
>Copyright (C) 2005 Free Software Foundation, Inc.
>$ ls -l /bin/bash
>-rwxr-xr-x 1 root root 801512 Oct 21  2008 /bin/bash
>$ md5sum --version
>md5sum (GNU coreutils) 5.97
>Copyright (C) 2006 Free Software Foundation, Inc.
>This is free software.  You may redistribute copies of it 
>under the terms of
>the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
>There is NO WARRANTY, to the extent permitted by law.
>
>Written by Ulrich Drepper, Scott Miller, and David Madore.
>$ lsb_release -a
>LSB Version:    
>:core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd6
>4:graphics-3.1-ia32:graphics-3.1-noarch
>Distributor ID: RedHatEnterpriseServer
>Description:    Red Hat Enterprise Linux Server release 5.5 (Tikanga)
>Release:        5.5
>Codename:       Tikanga
>$
>
>=== SYSTEM B ===
>$ md5sum /bin/bash
>0060bf6cde9eb7f726ce18b5c150620b  /bin/bash
>$ rpm -qf /bin/bash
>bash-3.2-24.el5
>$ /bin/bash --version
>GNU bash, version 3.2.25(1)-release (x86_64-redhat-linux-gnu)
>Copyright (C) 2005 Free Software Foundation, Inc.
>$ ls -l /bin/bash
>-rwxr-xr-x 1 root root 801512 Oct 21  2008 /bin/bash
>$ md5sum --version
>md5sum (GNU coreutils) 5.97
>Copyright (C) 2006 Free Software Foundation, Inc.
>This is free software.  You may redistribute copies of it 
>under the terms of
>the GNU General Public License <http://www.gnu.org/licenses/gpl.html>.
>There is NO WARRANTY, to the extent permitted by law.
>
>Written by Ulrich Drepper, Scott Miller, and David Madore.
>$ lsb_release -a
>LSB Version:    
>:core-3.1-amd64:core-3.1-ia32:core-3.1-noarch:graphics-3.1-amd6
>4:graphics-3.1-ia32:graphics-3.1-noarch
>Distributor ID: RedHatEnterpriseServer
>Description:    Red Hat Enterprise Linux Server release 5.5 (Tikanga)
>Release:        5.5
>Codename:       Tikanga
>$
>
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