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Full Discussion: Which OS Binary was build
Homework and Emergencies Emergency UNIX and Linux Support Which OS Binary was build Post 302413857 by gaurav1086 on Saturday 17th of April 2010 05:28:11 PM
Old 04-17-2010
Hello,

you can check the dependancy libraries which can distinguish the binaries

Code:
ldd binary_file

If their versions match that of the current version of the libs.

apparently you can check out the external libs they are using another way too.
Code:
 nm -o binary_file | grep '\bU\b'

The binary file alone cannot give you the information about which version of gcc was used to build it.

If there is a difference b/w the kernel version they are using then you can check the binaries that are made for 2.4 or 2.6 . I suppose redhat-6.2 uses 2.4 while rhel uses 2.6.18.

example :

Code:
 file a.out
a.out: ELF 32-bit LSB executable, Intel 80386, version 1 (SYSV), dynamically linked (uses shared libs), for GNU/Linux 2.6.8, not stripped

So it lists 2.6 on mine

So in order to distinguish you can rename all lthe binaries depending on the kernel version to later distinguish them

Code:
#!/bin/bash

for fil in $DIR/*;do if file $fil | grep -q '2.6' ;then echo "2.6-${fil}";else echo "2.4-${fil}";fi;done

Apparently you can rename the files with the kernel version to find out which OS it was built.

Hope this helps,

Regards,
gaurav.
Last edited by gaurav1086; 04-18-2010 at 02:34 AM.. Reason: correct variable names
 

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LEARN ABOUT CENTOS

yum-builddep

yum-builddep(1) 														   yum-builddep(1)

NAME

       yum-builddep - install missing dependencies for building an RPM package

SYNOPSIS

       yum-builddep package

DESCRIPTION

       yum-builddep  is a program which installs the RPMs needed to build the specified package.  The source RPM for the specified package must be
       available in a Yum repository (which will be automatically enabled, if it is disabled) or it can be a local source RPM file.

EXAMPLES

       Download and install all the RPMs needed to build the kernel RPM:
	      yum-builddep kernel

FILES

       As yum-builddep uses YUM libraries for retrieving all the information, it relies on YUM configuration for its  default  values  like  which
       repositories to use. Consult YUM documentation for details:

       /etc/yum.conf
       /etc/yum/repos.d/
       /var/cache/yum/

SEE ALSO

       yum.conf (5)
       http://yum.baseurl.org/

AUTHORS

       See the Authors file included with this program.

BUGS

       There  are  of  course no bugs, but should you find any, you should first consult the FAQ section on http://yum.baseurl.org/wiki/Faq and if
       unsuccessful in finding a resolution contact the mailing list: yum-devel@lists.baseurl.org.  To file a bug  use	http://bugzilla.redhat.com
       for Fedora/RHEL/Centos related bugs and http://yum.baseurl.org/report for all other bugs.

Panu Matilainen 						   17 July 2005 						   yum-builddep(1)
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