Thank you very much really !!! Cheers jae On Sat, 18 Apr 1998, Juergen Braukmann wrote:
Jaeha Lee wrote:
hi,
I read man page about "sudoers", but too many things I don't understand. please can you give me simple example, I'm not on the network, it's truly stand-alone home PC.
OK, here we go. I give you my /etc/sudoers:
--------------------------8<---------------------------------------- # sudoers file. # # This file MUST be edited with the 'visudo' command as root. # # See the man page for the details on how to write a sudoers file. #
# Host alias specification Host_Alias LOCAL=slartibartfast # User alias specification User_Alias SYSTEM=braukman,dk4jb # Cmnd alias specification Cmnd_Alias DOWN=/sbin/halt # User privilege specification root ALL=(ALL) ALL SYSTEM LOCAL=DOWN # brauki is allowed to shutdown slartibartfast without giving his password: brauki slartibartfast=NOPASSWD:DOWN # and so might his alter ego braukman ;-) braukman slartibartfast=/sbin/halt NOPASSWD:ALL # --------------------------8<----------------------------------------
to shout down my system I issue a 'sudo /sbin/halt'. I am not asked to give my password, since I turned that off. that should do the trick. you must install the sudo-package first.
an other tip to shut down a system is the following: create a user say... down
modify /etc/passwd:
[...] nobody:x:-2:-2:nobody:/tmp:/bin/bash brauki:x:500:100:Juergen Braukmann:/home/brauki:/bin/bash down:x:0:100:shutdownuseer:/tmp:/sbin/halt [...] ^^^^^^^^^^^ switch to another console log in as down and enjoy. ;-)
(I have not tried that one, but I remember someone sugesting that...)
Jürgen
ps: I have just tried that, it works if you give "down" the uid 0 (root)
it's a good idea, to have a password on that account, too ;-)
in my opinion it comes next to ctrl-alt-del, the proper way is sudo. nice to be root and able to change messages already in /etc/mqueue ... ;-))
wq ^^ oupps.. wrong editor ;-)
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