executing a script for a certain amount of time Post: 28751

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I do not have the luxery of a server that i can try on, so i had to post my qn here. Say i have two jobs in the cron table, the jobs are scheduled 2 mins apart. Assuming the first jobs does a lot of operations and takes > 2 mins. Will the second job be executed? Will Unix actually have a queue...

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Executing bash file with sudo for the second time, leads to permission denied, for some commands

I have a script that checks if the script has been ran with sudo. If the script is not ran as sudo, the current script is being executed with exec sudo bash. You are asked for a password, you type in the password, success. Everything is perfect - the commands inside the script are ran as sudo....

LEARN ABOUT SUSE

sleep

SLEEP(3)						     Linux Programmer's Manual							  SLEEP(3)

NAME

       sleep - Sleep for the specified number of seconds

SYNOPSIS

       #include <unistd.h>

       unsigned int sleep(unsigned int seconds);

DESCRIPTION

       sleep() makes the calling thread sleep until seconds seconds have elapsed or a signal arrives which is not ignored.

RETURN VALUE

       Zero if the requested time has elapsed, or the number of seconds left to sleep, if the call was interrupted by a signal handler.

CONFORMING TO

       POSIX.1-2001.

BUGS

       sleep() may be implemented using SIGALRM; mixing calls to alarm(2) and sleep() is a bad idea.

       Using longjmp(3) from a signal handler or modifying the handling of SIGALRM while sleeping will cause undefined results.

SEE ALSO

       alarm(2), nanosleep(2), signal(2), signal(7)

COLOPHON

       This  page is part of release 3.25 of the Linux man-pages project.  A description of the project, and information about reporting bugs, can
       be found at http://www.kernel.org/doc/man-pages/.

GNU
								    2010-02-03								  SLEEP(3)

10 More Discussions You Might Find Interesting

1. Shell Programming and Scripting

Overlapping(executing time) jobs in crontab

Discussion started by: new2ss

2. Shell Programming and Scripting

need inputs on how i can change my script to reduce amount of time the script takes

Discussion started by: madhul2002

3. Shell Programming and Scripting

[bash] getopts not executing when called second time.

Discussion started by: ASGR

4. Programming

Date time problem while executing perl script.

Discussion started by: ravimishra