Friday, May 16, 2014

Determine built kernel(vmlinux/vmlinuz) version

Problem statement:

How do you determine the built kernel version ? Once you have built kernel from source , how would you determine the built kernel version ?

Fix :

Once you have built (make) kernel from source tree, you may want to determine the built kernel version but not install it. How do you do that ? The built kernel is "vmlinux" or "vmlinuz"  but how do you extract the kernel version out of it.

Try this :

# strings vmlinux | grep "Linux version"
Linux version 3.15.0-rc5+

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