Perhaps I've missed it, but I went through both of your threads, and it seems no one ever pointed you to https://support.nagios.com/kb/article.php?id=149
Perhaps it is because the title is a bit misleading. Really, the document is for any time you have extra data sources, which is, at a glance, every single error in your perfdata.log.
A lot of people have trouble with the first line, aka yum install perl-RRD-Simple -y
If you don't have it in yum, you can either add a repo that includes it or run the two following commands:
- Code: Select all
After that, the instructions should work as presented in the KB. If they do not, please let us know any errors you receive.