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Full Discussion: FileChecksum Monitoring
Operating Systems Linux FileChecksum Monitoring Post 303006534 by rbatte1 on Friday 3rd of November 2017 07:19:33 AM
Old 11-03-2017
Why not do an md5sum of all the files you are interested in to a single file? That way, just running md5sum -c checksums-file will do them all in one go. If you look at the file it creates, it will have the checksum and the examined filename in each record so you don't need to keep lots of separate single files and save you the worry of building/using an array.

For clarity, you can spread out your script if that helps, so saving the initial checksums:-
Code:
# However many files per line that makes sense to you, but nothing after the \ on each line

files_to_check="\
 /etc/passwd  /etc/shadow /security/access.conf \
 /etc/resolv.conf  /etc/sysconfig/network-scripts/* \
 /etc/fstab \
 /etc/httpd/httpd.conf \
 /anything/else/you/fancy \
"


md5sum $files_to_check > /var/lib/md5sums/critical.md5

Later you can just md5sum -c /var/lib/md5sums/critical.md5 and you get a nice report about the files previously listed.



I hope that this helps,
Robin
 

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LEARN ABOUT DEBIAN

gst-md5sum-0.8

gst-md5sum-0.8(1)						   User Commands						 gst-md5sum-0.8(1)

NAME

       gst-md5sum-0.8, gst-md5sum - get an md5sum of a GStreamer pipeline through md5sink

SYNOPSIS

       gst-md5sum-0.8 [--verbose] [gst-std-options] [partial-pipeline-description]

       gst-md5sum [--verbose] [gst-std-options] [partial-pipeline-description] [--gst-list-mm] [--gst-mm=string] [--print]

DESCRIPTION

       gst-md5sum-0.8 generates MD5 checksums of the data generated by a GStreamer pipeline.

       In theory, both of the following commands should print out the same checksum:

       gst-md5sum-0.8 filesrc location=music.mp3

       md5sum music.mp3

       If  the	pipeline  contains  an md5sink element, gst-md5sum-0.8 queries it for the md5sum at the end of pipeline iteration. If the pipeline
       does not contain an md5sink element, gst-md5sum-0.8 automatically connects an md5sink to the right-hand side of the given pipeline.

       See gst-launch(1) or the GStreamer documentation for more information on how to create a partial-pipeline-description.

       gst-md5sum is a wrapper script that runs the latest installed version of gst-md5sum-X.X. For  example,  if  both  gst-md5sum-0.7  and  gst-
       md5sum-0.8 are installed on your system, gst-md5sum runs gst-md5sum-0.8.

OPTIONS

       The following options are supported by gst-md5sum-0.8 and gst-md5sum:

       --verbose       Output verbose information. You can also use -v to specify this option.

       gst-std-options Standard options available for use with most GStreamer applications.  See gst-std-options(5) for more information.

       The following options are supported by gst-md5sum only:

       --gst-list-mm   List found major/minor versions. This option displays the versions that are available.

       --gst-mm=string Force  major/minor  version.  This  option  enables you to specify a specific version to run, if you do not want to run the
		       default version.

       --print	       Print wrapped command line. This option displays the command that will be run, and then runs the command.

OPERANDS

       The following operands are supported:

       partial-pipelinePartialppipeline description.

EXAMPLES

       Example 1: Running the Wrapper Script and Displaying the Command Name

       example% gst-md5sum --print
       /usr/bin/gst-md5sum-0.8

FILES

       The following files are used by this application:

       /usr/bin/gst-md5sum-0.8 Executable for GNOME help browser

       /usr/bin/gst-md5sum     Wrapper script that runs the latest installed version of gst-md5sum-X.X

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWgnome-media		   |
       +-----------------------------+-----------------------------+
       |Interface stability	     |External			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       gst-complete(1), gst-compprep(1), gst-feedback(1), gst-inspect(1),  gst-launch(1),  gst-launch-ext(1),  gst-register(1),  gst-thumbnail(1),
       gst-typefind(1), gst-xmlinspect(1), gst-xmllaunch(1), gstreamer-properties(1), libgstreamer-0.8(3), libgstgetbits(3), gst-std-options(5)

NOTES

       Original man page written by the GStreamer team at http://gstreamer.net/.

       Updated by Brian Cameron, Sun Microsystems Inc., 2004.

SunOS 5.10							    14 Oct 2004 						 gst-md5sum-0.8(1)
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