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bykogepathic, September 15, 2014
>Requires no additional packages to be installed.

This is incorrect. The script requires that bc is installed. bc is not included in the base install of CentOS 7.
bykogepathic, September 15, 2014
1 of 1 people found this review helpful
This module needs a lot of work before it can be considered acceptable.

The author has hard-coded "/usr/bin/awk", "/bin/awk" and "awk" into multiple places in the script. I had to fix this before it would even run.

When you do get it running you'll find that the percentage warnings don't operate as expected. Instead of percentage free it's percentage used (eg. warn when percent used is over -w %) which is counter intuitive to almost every other nagios memory plugin.

Furthermore the plugin does not differentiate between used memory and used memory+- buffers/cache.

I do not recommend using this plugin until the author fixes the above points.
Owner's reply

This plugin IS INTENDED to measure the used memory, not the free memory - hence the name! So, it operates as expected, just not as you expected ;-) Read the description carefully before using stuff, mate!
Otherwise, you are perfectly right: the plugin needs work, it is not a final and stable version. I will upload a newer version soon.
Thank you for taking the time to write a review for my work, I really appreciate it!