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Unix System Administration: kurz & gut by Æleen Frisch

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Aktivieren des Passwortschutzes für den Single-User-Modus

AIX und HP-UX

Automatisch.

FreeBSD

Verwenden Sie die Option insecure im Eintrag console in /etc/ttys:

console none unknown off insecure

Linux

Fügen Sie einen Eintrag für sulogin in /etc/inittab ein:

sp:S:respawn:/sbin/sulogin

Solaris

Verwenden Sie PASSREQ="YES" in /etc/default/sulogin.

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