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Old 10-05-2004, 04:04 AM   #1
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Question How to find out kernel version in a shell script?

How do I find out the version of the kernel running in a bash shell script? If this is not possible, can anyone tell me a work-around for the following problem?:

I have an application that requires the initial configuration (VMware) to be specific to the kernel that it is to be run under. I configured it to 2.4.x and it worked fine, however I added the 2.6.7 kernel to lilo as an additional option. I tried to run the startup script under 2.6.7 and it obviously said it was not configured correctly.

After returning to 2.4.x, I found that trying to run under 2.6.7 altered the configuration and it was not reconfigurable, therefore I had to reinstall, recompile, and reconfigure. I would like to make it so the startup script does not run if the running kernel is not 2.4.x. Is there a way to do this? Thanks.
Old 10-05-2004, 04:26 AM   #2
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this gives you the kernel version:

uname -r
Old 10-05-2004, 04:30 AM   #3
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... I hadn't see the previous answer (win32sux) ....

# kernel version

# if you only want to display the kernel version...
echo Kernel is `uname -r` # pay attention to the backticks!

# else if you want to store in a variable (kernel_version)
kernel_version=`uname -r`
echo $kernel_version

# the output of this script should be:
Kernel is 2.6.3-4mdk

Last edited by fiomba; 10-05-2004 at 04:56 AM.
Old 10-05-2004, 04:54 AM   #4
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Thanks for the fast responses.


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