how to monitor 25 different digitalUnix and Sunsolaris machines Post: 33268

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Top Forums Shell Programming and Scripting how to monitor 25 different digitalUnix and Sunsolaris machines Post 33268 by Perderabo on Tuesday 24th of December 2002 09:37:35 AM

12-24-2002

Administrator Emeritus

First of all there lots of products that do this-- Patrol, Openview, Big Brother, etc...

But here is an approach I that I once used:

First, I wrote a shell script that would check for various things. It wrote to an output file called something like status.`hostname`. The script would touch this file to make sure that it existed. And if it found anything that it didn't like, it would add an error line to the file.

I ported the script to all of our systems and a cron job would run it once an hour on the hour.

At 15 minutes after the hour, one system would run another script. This was an automated ftp job that would retrieve (and delete from the original host) all of the status files.

It is hard to detect errors during an automated ftp job. But after it runs, it is easy to see if the script obtained a status.`hostname` file for each hostname. If not, that is an error.

Also if the status files had any lines, that was an error.

The script would page me if it detected any errors.

This was a little clunky, but I had a monitoring system up and running in less than half a day.

Perderabo

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LEARN ABOUT OPENSOLARIS

install-solaris

install-solaris(1M)                                                                                                            install-solaris(1M)

NAME

       install-solaris - install the Solaris operating system

SYNOPSIS

       install-solaris

       install-solaris  invokes  the  Solaris  Install  program. Depending on graphical capability and available memory at the time of invocation,
       install-solaris invokes either a text-based installer or a graphical installer.

       The following minimum requirements for physical memory dictate which features are available during installation:

       For SPARC machines:

       128 MB

           Minimum physical memory for all installation types

       128 MB

           Minimum physical memory required for windowing system

       384 MB

           Minimum physical memory required for graphical-based installation

       For x86 machines:

       256 MB

           Minimum physical memory for all installation types

       256 MB

           Minimum physical memory required for windowing system

       512 MB

           Minimum physical memory required for graphical-based installation

       In some cases, even if the minimum physical memory is present, available virtual memory after system startup can limit the number  of  fea-
       tures available.

       install-solaris  exists  only  on  the Solaris installation media (CD or DVD) and should be invoked only from there. Refer to the  for more
       details.

       install-solaris allows installation of the operating system onto any standalone system. install-solaris loads the software available on the
       installation media. Refer to the  for disk space requirements.

       Refer to the  for more information on the various menus and selections.

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcdrom  (Solaris instal-  |
       |                             |lation media)                |
       +-----------------------------+-----------------------------+
       |Interface Stability          |Evolving                     |
       +-----------------------------+-----------------------------+

       pkginfo(1), install(1M), pkgadd(1M), attributes(5)

       It is advisable to exit install-solaris by means of the exit options in the install-solaris menus.

                                                                    23 Sep 2005                                                install-solaris(1M)