10-05-2016
Interactive Shutdown script
Hello folks.
I will start out by saying as far as unix/linux scripting goes I know less about it than i do about giving birth (I'm a guy hehe). I am looking to make a shutdown script that will either shut down the system or reboot it using one of the shutdown run methods IE init 2 - 5 or a base shutdown init 6. As you can see I've done some research but i need help with formatting it since I've not found much in the way of what commands are available for perl or bash or anything else for that matter. Since this is for a class I'm not asking for a full script but do ask for ideas how it should look so I can write a workable product myself. Thank you everyone for your assistance.
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LEARN ABOUT DEBIAN
runit-init
runit-init(8) System Manager's Manual runit-init(8)
NAME
init - a UNIX process no 1
SYNOPSIS
init [ 0 | 6 ]
DESCRIPTION
runit-init is the first process the kernel starts. If runit-init is started as process no 1, it runs and replaces itself with runit(8).
If runit-init is started while the system is up, it must be either called as init 0 or init 6:
init 0 tells the Unix process no 1 to shutdown and halt the system. To signal runit(8) the system halt request, runit-init removes all
permissions of the file /etc/runit/reboot (chmod 0), and sets the execute by owner permission of the file /etc/runit/stopit (chmod
100). Then a CONT signal is sent to runit(8).
init 6 tells the Unix process no 1 to shutdown and reboot the system. To signal runit(8) the system reboot request, runit-init sets the
execute by owner permission of the files /etc/runit/reboot and /etc/runit/stopit (chmod 100). Then a CONT signal is sent to
runit(8).
EXIT CODES
runit-init returns 111 on error, 0 in all other cases.
SEE ALSO
runit(8), runsvdir(8), runsvchdir(8), sv(8), runsv(8), chpst(8), utmpset(8), svlogd(8)
http://smarden.org/runit/
AUTHOR
Gerrit Pape <pape@smarden.org>
runit-init(8)