How to check if process is running?

 
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Old 04-28-2010
How to check if process is running?

Hi

I would like to check if an instance of a script is already running.

I've seen many different examples, but I haven't the slightest idea as to how to do this.

Can you please help.

Thank you.
 
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CHECKSECURITY(8)					      System Manager's Manual						  CHECKSECURITY(8)

NAME
checksecurity - Run a collection of simple system checks SYNOPSIS
checksecurity DESCRIPTION
The checksecurity command runs a small collection of simple system checks which are designed to catch a few common security issues. check- security is run by cron in a daily basis. CONFIGURATION
The checksecurity.conf file defines several configuration variables: MAILTO, CHECK_DISKFREE, CHECK_PASSWD and CHECK_SETUID LOGDIR. Each is described below. The checksecurity program works with a collection of plugins which are located in /usr/share/checksecurity and are configured individually by their own configuration file. CHECK_PASSWD If this is set to TRUE then the check-passwd script will be invoked. This script is designed to report upon system accounts which have no passwords. CHECK_DISKFREE If this is set to TRUE then the check-diskfree script will be invoked and will allow an alert to be sent if there is any mounted partition is running short on disk space. CHECK_SETUID If this is set to TRUE then the check-setuid script will be invoked, this will compare the setuid binaries upon the system to those that existed previously and show the differences. FILES
/etc/checksecurity.conf checksecurity configuration file SEE-ALSO See also check-diskfree(8), check-setuid(8), and check-passwd(8) Debian Linux 2 February 1997 CHECKSECURITY(8)