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> > > >#!/bin/sh > > > >ping -c 2 <ip-address-here> this should be "ping -c 2 <ip-address-here> > /dev/null" this is to prevent the ping command to output anything on the screen > > > >if [ ! "$?" = 0 ]; then > > <mail command here> > > exit 1 > >fi the $? value will hold the return value of the last command that is executed, in this case the 'ping' command the close and open bracket '[]' is short for the test command so when you say if [ ! "$?" = 0 ] you are also saying that if value of $? is not equal to zero then do something else you can take this as a sample mail command echo "Error in connection" | mail -s "<subject-here>" <recipient> > yes, me thinks can do it in crontab. By the way I need > some brief explanation on what are those characters for > inside the bracket...poor me :( > and what syntax is for the mail command? (I'm confused in > #man mail) > sorry for this...but I want to learn :) > I appreciate the help.. > > -Jun > - -- Gabriel L. Briones III <[EMAIL PROTECTED]> Network Administrator, OmniSoft Solution's Inc. Linux User # 273591 09178264717 - ----------------------------------------------- -----BEGIN PGP SIGNATURE----- Version: GnuPG v1.2.2 (GNU/Linux) iD8DBQE/FPriDGdUl1iiRBERApI/AKCRTGI/1LBWU6ZhTVGX/Ju6eBOGzwCfXU0t NJbpT1ecM8j90rSpX888L3Q= =9k77 -----END PGP SIGNATURE----- -- Philippine Linux Users' Group (PLUG) Mailing List [EMAIL PROTECTED] (#PLUG @ irc.free.net.ph) Official Website: http://plug.linux.org.ph Searchable Archives: http://marc.free.net.ph . To leave, go to http://lists.q-linux.com/mailman/listinfo/plug . Are you a Linux newbie? To join the newbie list, go to http://lists.q-linux.com/mailman/listinfo/ph-linux-newbie
