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Full Discussion: Wake on LAN script
Top Forums Shell Programming and Scripting Wake on LAN script Post 302093523 by anon0mus on Friday 20th of October 2006 04:05:31 AM
Old 10-20-2006
Wake on LAN script

m old to Unix but new to scripting


I have a MacBook running osx that I want to use as an nfs client. The server will be a linux box with a wake on lan card. Here's the idea. Run a cron command on the mac every minute that checks if I am on my home wireless network (the linux box is wired to the same router as the macbook gets wireless from). If this is true then check if the NFS mount from the linux box is mounted. If not ping the linux box. If the Macbook gets no ping send the magic packet to linux box and wake it up then wait for the linux box to boot and then mount the necessary NFS mounts.

When the linux box is on, run a cron command every minute to see if it is exporting NFS to the said Macbook (or i could just ping the macbook) If not (or no ping) have the linux box shut down in to a wakeable on lan state.


It looks as if I can pull the info as to wether or not my macbook is on my home wireless network from reading a line in traceroute. Then running showmount and then reading from the output if the NFS mount on the linux box is up. if neither of these are true then run ping, if no response send the magic packet to the linux box and start it up.


My main questions:


Has anyone already done this so I don't have to write the script?

Which sort of scripting should I use bash? pearl? python?

Are there any good tutorials out there that would help a newbee scripter accomplish this?

does anyone know what command i could run to see if the linux box is sucessufully exporting to the macbook, or would it just be easier to ping the macbook? and then use the response to shut down the linux box.


Thanks from Sweden!,

Nathan
 

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uudemon(4)						     Kernel Interfaces Manual							uudemon(4)

NAME
uudemon.admin, uudemon.cleanu, uudemon.hour, uudemon.poll - Administrative shell scripts for polling remote systems, cleaning up spool directories, reporting status to the system administrator, and routine invocations of the uuxqt and uusched daemons SYNOPSIS
These shell scripts reside in the following directory: /usr/lib/uucp DESCRIPTION
All the scripts can be run from the command line or can be run automatically by the cron daemon. To automatically run the scripts, remove the comment character (#) from the beginning of the relevant line in the /var/spool/cron/crontabs/uucp file. This script reports status to the system administrator. It issues the uustat command to find out the status of uucp jobs. It mails the results to the uucp login ID. The script may be modified to send mail to any login ID such as the uucp administrative login ID (uucpa) or root. This script cleans up the /var/spool/uucp and /var/spool/uucppublic directories by running the uucleanup command. The uucleanup com- mand is run with the following parameters: -C7, -D7, X2, -o2, -W1. This script runs the uusched and uuxqt daemons in the background. This script polls the systems listed in the /usr/lib/uucp/Poll file. The uudemon.poll script should be scheduled before the uudemon.hour script. This allows uudemon.poll to create any command files before cron runs the uudemon.hour script. FILES
Contains the uudemon.admin, uudemon.cleanu, uudemon.hour and uudemon.poll files. Contains the uucp file. RELATED INFORMATION
Commands: cron(8), uucleanup(8), uusched(8), uuxqt(1) Files: /usr/lib/uucp delim off uudemon(4)
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