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On 2019.06.19 15:00, Ian Zimmerman wrote: |
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> I'd like to have a quick way to halt my system from the keyboard, |
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> without relying on obscure key combinations such as Alt-Up. Logging |
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> in |
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> as a special user (with a special password) would be ideal. And I saw |
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> that a "halt" user already exists, with /sbin/halt as a login shell, |
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> so |
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> someone must have thought of this. But as it is, it doesn't work: |
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> even |
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> if I give the "halt" user a password (by running "passwd halt" as |
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> root), |
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> I get "Login incorrect" when I in fact try to login as that user. |
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> |
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> Moreover, I don't see how it _could_ possibly work: the uid of "halt" |
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> is |
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> 7, and /sbin/halt is not suid, so how could the process inherited from |
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> login, with uid 7, send a signal to pid 1 - which is IIRC how halting |
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> functions? I must be missing something important. |
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> |
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> (No systemd here, if it wasn't already obvious.) |
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|
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Won't "sudo halt" work? I frequently do "sudo reboor" or just "reboot" |
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from a root shell. (I am also systemd free.) |
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|
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Jack |
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