Cacti 0.8 Beginner's Guide

Time for action – installing the stress tool

1. Logon to your CentOS Linux system as the root user.
2. Change to the tmp directory:

   cd /tmp
   

3. Download the stress tool:

   wget http://packages.sw.be/stress/stress-1.0.2-1.el5.rf.i386.rpm
   

4. Install the package with the rpm command:

   rpm -Uvh stress-1.0.2-1.el5.rf.i386.rpm
   

5. Run a stress test for 60 seconds:

   stress --cpu 8 --io 4 --vm 2 --vm-bytes 128M --timeout 60s
   

6. Go back to Cacti and look at the average load graph. It should show a much higher average load than when you setup the threshold:
   
7. Check your e-mail account for the threshold alert.
8. In case you did not receive an e-mail, check the configuration of the settings ...