Book Image

Learning Nagios 3.0

Book Image

Learning Nagios 3.0

Overview of this book

Table of Contents (16 chapters)
Learning Nagios 3.0
Credits
About the Author
About the Reviewer
Preface

Storage Space


Making sure that a system is not running out of space is very important. A lack of disk space for basic paths such as/var/spool or /tmp might cause unexpected results throughout the entire system. Quotas that are not properly set up for home directories might also cause disk space to run out in a few minutes under certain circumstances.

Nagios can monitor storage space and warn administrators before such problems happen. It is also possible to monitor remote shares on other disks without mounting them. This would be useful for easily monitoring disk space on Windows boxes, without installing the dedicated Windows Nagios tools described in Chapter 10, Advanced Monitoring.

Virtual Memory Monitoring

Making sure that a system is not running out of swap space is essential to the system's correct behavior. Many operating systems have mechanisms that kill the most resource -intensive processes when the system is running out of memory, and this usually leads to many services not functioning...