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Full Discussion: How do I create a shell script that would generate a system notification.
Top Forums Shell Programming and Scripting How do I create a shell script that would generate a system notification. Post 302528073 by jcottrell on Monday 6th of June 2011 11:26:10 AM
Old 06-06-2011
How do I create a shell script that would generate a system notification.
I am a student, and I have project to complete. The project is to create a power point presentation with the following guidelines:
You are the system admin for a medium sized Internet company that has its primary production web server running on UNIX/Linux. Your technical IT director would like for you to do a presentation on a system admin task that you have automated with the use of the shell (your choice of shell, Bourne, C, Korn, Bash, etc...). I would like to have a system notification that will come up if a user logs on within 4 hours of a schedualed system maintenece down time, and again 30 minutes before the down time, that would state " A schedualed system maintenence will begin at 2:00 am. Please please save and exit any web based applications by 1:55 am in order to avoid loss of data."
Can any of you give me an idea of how to create this type of shell script?
 

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LEARN ABOUT X11R4

vconsole.conf

VCONSOLE.CONF(5)						   vconsole.conf						  VCONSOLE.CONF(5)

NAME

       vconsole.conf - configuration file for the virtual console

SYNOPSIS

       /etc/vconsole.conf

DESCRIPTION

       The /etc/vconsole.conf file configures the virtual console, i.e. keyboard mapping and console font.

       The basic file format of the vconsole.conf is a newline-separated list environment-like shell-compatible variable assignments. It is
       possible to source the configuration from shell scripts, however, beyond mere variable assignments no shell features are supported,
       allowing applications to read the file without implementing a shell compatible execution engine.

       Note that the kernel command line options vconsole.keymap=, vconsole.keymap.toggle=, vconsole.font=, vconsole.font.map=,
       vconsole.font.unimap= may be used to override the console settings at boot.

       Depending on the operating system other configuration files might be checked for configuration of the virtual console as well, however only
       as fallback.

OPTIONS

       The following options are understood:

       KEYMAP=, KEYMAP_TOGGLE=
	   Configures the key mapping table of for they keyboard.  KEYMAP= defaults to us if not set. The KEYMAP_TOGGLE= can be used to configured
	   a second toggle keymap and is by default unset.

       FONT=, FONT_MAP=, FONT_UNIMAP=
	   Configures the console font, the console map and the unicode font map.  FONT= defaults to latarcyrheb-sun16.

EXAMPLE

       Example 1. German keyboard and console

       /etc/vconsole.conf:

	   KEYMAP=de-latin1
	   FONT=latarcyrheb-sun16

SEE ALSO

       systemd(1), loadkeys(1), setfont(8), locale.conf(5)

AUTHOR

       Lennart Poettering <lennart@poettering.net>
	   Developer

systemd 							    10/07/2013							  VCONSOLE.CONF(5)
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