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Full Discussion: Server monitoring using shell script
Top Forums UNIX for Beginners Questions & Answers Server monitoring using shell script Post 302972997 by imort on Thursday 12th of May 2016 12:51:05 PM
Old 05-12-2016
Quote:
Originally Posted by kk123
I want to write a shell script which is used in cron job and it runs every 4 hours to check whether tomcat servers are running or not .
Well, you can write a script that will execute something like 'service tomcat status', parse output with grep and start it if they didn't run.

It's a common job actually.

You can use a supervisord instead, which can run any service or program and immediately restart if it.

Or you can use Munin for the same goal: monitor the service or process and start if it's fail. You can look for some examples here.

I'd suggest you to invest some time to learn a well known and supported tool instead of making a your own script.
 

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LEARN ABOUT CENTOS

platform::shell

platform::shell(n)					       Tcl Bundled Packages						platform::shell(n)

__________________________________________________________________________________________________________________________________________________

NAME

       platform::shell - System identification support code and utilities

SYNOPSIS

       package require platform::shell ?1.1.4?

       platform::shell::generic shell
       platform::shell::identify shell
       platform::shell::platform shell
_________________________________________________________________

DESCRIPTION

       The platform::shell package provides several utility commands useful for the identification of the architecture of a specific Tcl shell.

       This  package  allows the identification of the architecture of a specific Tcl shell different from the shell running the package. The only
       requirement is that the other shell (identified by its path), is actually executable on the current machine.

       While for most platform this means that the architecture of the interrogated shell is identical to the architecture of  the  running  shell
       this  is  not generally true. A counter example are all platforms which have 32 and 64 bit variants and where a 64bit system is able to run
       32bit code. For these running and interrogated shell may have different 32/64 bit settings and thus different identifiers.

       For applications like a code repository it is important to identify the architecture of the shell which will  actually  run  the  installed
       packages, versus the architecture of the shell running the repository software.

COMMANDS

       platform::shell::identify shell
	      This command does the same identification as platform::identify, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::generic shell
	      This command does the same identification as platform::generic, for the specified Tcl shell, in contrast to the running shell.

       platform::shell::platform shell
	      This command returns the contents of tcl_platform(platform) for the specified Tcl shell.

KEYWORDS

       operating system, cpu architecture, platform, architecture

platform::shell 						       1.1.4							platform::shell(n)
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