Re: Creating executable device nodes in /dev?

Topi Miettinen <[email protected]> Wed, 9 Dec 2020 21:22:10 +0200
Newsgroups gmane.comp.sysutils.systemd.devel,gmane.linux.hotplug.devel
Message-ID <[email protected]>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