In a C program, you can edit your capabilities with cap_set_proc from libcap. How can I achieve the same in a Perl program?
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Answer
Linux::Prctl may meet your needs.
If not, you can use syscall() and try to do it the hard way.
If that’s unpalatable, too (and I would find it so), I’m sure CPAN would welcome you to contribute Linux::CapNG bindings…