On Fri, 10 May 2019 22:11:31 -0400, Aruna Hewapathirane said: > > Suppose I have two kernels, one is A.B.C build by people Tom. And > > the other is A.B.C build by Jerry. The source code have been deleted > Run diff vmlinuz-Tom vmlinuz-Jerry and see if they differ. Then just to Don't even bother. If Tom and Jerry both did builds, the binaries *will* differ, because... % dmesg | grep 'Linux vers' [ 0.000000] Linux version 5.1.0-rc5-next-20190416-dirty (source@turing-police) (gcc version 9.0.1 20190328 (Red Hat 9.0.1-0.12) (GCC)) #664 SMP PREEMPT Wed Apr 17 12:31:51 EDT 2019 There's a datestamp, a build number, and a compiler version in there. Also, since vmlinuz is a binary file, /bin/cmp is a better choice than diff.
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