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"nproc" versions published in Ubuntu

Kinetic (0.5.1-3build7): universe/misc
Jammy (0.5.1-3build6): universe/misc
Focal (0.5.1-2build10): universe/misc
Bionic (0.5.1-2build4): universe/misc
Xenial (0.5.1-2build1): universe/misc