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UNIX for Beginners Questions & Answers
Script should keep running only at specific time
Post 303045249 by Syedsabeel on Saturday 14th of March 2020 11:24:41 AM
03-14-2020
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LEARN ABOUT LINUX
reboot
reboot(8) System Manager's Manual reboot(8) NAME
reboot, halt, poweroff - reboot or stop the system SYNOPSIS
reboot [OPTION]... halt [OPTION]... poweroff [OPTION]... DESCRIPTION
These programs allow a system administrator to reboot, halt or poweroff the system. When called with --force or when in runlevel 0 or 6, this tool invokes the reboot(2) system call itself and directly reboots the system. Otherwise this simply invokes the shutdown(8) tool with the appropriate arguments. Before invoking reboot(2), a shutdown time record is first written to /var/log/wtmp OPTIONS
-f, --force Does not invoke shutdown(8) and instead performs the actual action you would expect from the name. -p, --poweroff Instructs the halt command to instead behave as poweroff. -w, --wtmp-only Does not call shutdown(8) or the reboot(2) system call and instead only writes the shutdown record to /var/log/wtmp --verbose Outputs slightly more verbose messages when rebooting, useful for debugging problems with shutdown. ENVIRONMENT
RUNLEVEL reboot will read the current runlevel from this environment variable if set in preference to reading from /var/run/utmp FILES
/var/run/utmp Where the current runlevel will be read from; this file will also be updated with the runlevel record being replaced by a shutdown time record. /var/log/wtmp A new runlevel record for the shutdown time will be appended to this file. AUTHOR
Written by Scott James Remnant <scott@netsplit.com> REPORTING BUGS
Report bugs at <https://launchpad.net/upstart/+bugs> COPYRIGHT
Copyright (C) 2009 Canonical Ltd. This is free software; see the source for copying conditions. There is NO warranty; not even for MERCHANTABILITY or FITNESS FOR A PARTICU- LAR PURPOSE. SEE ALSO
shutdown(8) telinit(8) runlevel(8) Upstart 2009-07-09 reboot(8)