How to trigger CPU, Disk Usage, Inode and Memory Alerts in Redhat

Install Stress and Stress-ng using YUM

yum install stress ng-stress

CPU alert

Run the command below to produce a spike for your alerting system

stress --cpu 2 --timeout 60

Inode alert

Run the command below to trigger the alert

stress-ng --dirdeep 200

Disk usage alert

they easiest way to do this is to create a very big file and fill up the disk space

Run the command blow in any directory you want to create the file

fallocate -l 50G file

Memory usage alert

Run the command below

stress --vm 4 --vm-bytes 1024M

IO alert

Run the command blow

stress --io 4