Help with script, shutdown if no ping responce

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Top Forums Shell Programming and Scripting Help with script, shutdown if no ping responce
# 8  
Old 01-07-2008
Il tell you the truth i dont really understand it Smilie

Yeah i can sort the root thing out i hope, how would i go abouts installing it?
# 9  
Old 01-07-2008
Originally Posted by ringofsteel
Would this meen i would have to change somthing?
No, I'm just trying to alert you to an obvious difference in behaviour between Solaris and other platforms.

Normal ping is continuous and emits a trace of packet echo times, Solaris just says "hostname is alive". The important part is it returns an exit code we can test.
# 10  
Old 01-07-2008

Would the script run every so many seconds by itself? Sorry about all the Q's iv been using solaris about 3 days.
# 11  
Old 01-07-2008
the sleep 300 is part of a loop to sleep for five minutes each loop.

However I recommend you remove the outer loop and install as a cron job.

Search this site for "crontab" for examples.

If you are installing this as root then I expect you to have a certain level of understanding to know exactly what it is you are installing.

If you are not sure, then do some testing with crontab under a normal user account.
# 12  
Old 01-07-2008
I know how to setup file systems, samba, perform basic system administration but im very rusty on the scripting side of things.

could i ask what would be the diffrence if i installed it as a cron job?

Edit: doesnt matter, i understand if i set it to run as a cron job, it will just run the whole script through every time, but would the system shutdown on the first failed ping?
# 13  
Old 01-07-2008
Originally Posted by ringofsteel
could i ask what would be the diffrence if i installed it as a cron job?
Yes, you don't have the outer while loop with the sleep.
# 14  
Old 01-07-2008
Is this the correct way to setup the crontab, for the script to run every min?

1,2,3,4,5,6,7,8,9,10,11,12,13,14,15,16,17,18,19,20,21,22,23,24,25,26,27,28,29,30,31,32,33,34,35,36,37,38,39,40,41,42,43,44,45,46,47,48,49,50,51,52,53,54,55,56,57,58,59,60     *     *     *     *     /rhys/ping


1    *     *     *     *     /rhys/ping

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