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Full Discussion: Linux: Writing a tricky script to check connectivity
Top Forums Shell Programming and Scripting Linux: Writing a tricky script to check connectivity Post 302284214 by kungfujoe on Thursday 5th of February 2009 02:09:28 AM
Old 02-05-2009
Thanks for the replies guys.

Yeah, it's a Motorola Surfboard.

Ok, so, as for layers of dependencies, That seems deep for me. I'm trying to keep this simple. If it can't ping, I don't really care why, I just care to fix it (And I know it would be more efficient to find the actual problem, but I'm taking a more general stance, ie, If the roof leaks, it's cheaper and quicker to find the leak, but replacing the whole roof works too.).

I'll take a look at the guides, but what I'm really asking is that, with the knowledge that I can, in fact, SSH into the modem and pass it the proper command, Is the rest of it POSSIBLE?

I'll figure it out, but I need to know if I can have a script:
Run every 5 minutes
Save information about a ping in a useful fashion (ie, variable containing time in ms, or a failure state)
SSH (I'm pretty sure this one works, could someone confirm that scripts can SSH?)


If you guys could tell me (if you know) if these things are possible, I'll figure out how to implement it all, but I don't want to spend hours learning scripting only to find out that some of these break rules or aren't possible for the language to handle.

Thanks
KFJ
 

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LEARN ABOUT DEBIAN

kep_reload

KEP_RELOAD(1)						      General Commands Manual						     KEP_RELOAD(1)

NAME

       kep_reload - Update Predict's Keplerian elements

SYNOPSIS

	kep_reload

DESCRIPTION

       KEP_RELOAD is a simple utility that forces an immediate reload of PREDICT's Keplerian database through a socket connection while PREDICT is
       running in server mode.	It is especially useful in environments where PREDICT runs continuously, and periodic  Keplerian  element  updates
       are made outside of PREDICT, such as through scripts run through a crontab.

       The  "kepupdate"  script  found	in this directory is an example of a Keplerian element update script that can be run on an automated basis
       through a crontab.  It is designed to be placed in your home directory under a subdirectory  called  "cronjobs".   It  downloads  Keplerian
       orbital	data  from  www.celestrak.com  using  the  HTTP  protocol.   (The  "wget" utility, available from the Free Software Foundation, is
       required, and is included in many Linux distrubutions.)

       Type crontab -e to edit your crontab.  Simply add the following entry:

	       0 8 * * * kepupdate

       and your orbital database will update each morning at 8:00 AM (provided you have a network connection at that time).

       See the crontab man page for more information on editing your crontab.

AUTHOR

       This man page was written by A. Maitland Bottoms, AA4HS, for Debian GNU/Linux.

								  31 August 2003						     KEP_RELOAD(1)
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