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Creating Capacity Usage Reports
Reporting on capacity usage not only shows what is happening on a system at a given time, but it can also help administrators plan for future resource needs. In this hands-on lab, you are tasked with generating several resource usage reports that utilize the `sar`, `vmstat`, and `iostat` commands.

Lab Info
Table of Contents
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Challenge
Install the monitoring and reporting utilities (sysstat).
Use the
yum
command to install thesysstat
package:yum install -y sysstat
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Challenge
Start and enable the sysstat service so that sar will begin collecting system information.
Start and enable the
sysstat
service usingsystemctl
:systemctl start sysstat systemctl enable sysstat
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Challenge
Update the cron file for sysstat so that the system activity accounting tool will run every thirty minutes.
Open the
sysstat cron
file and change the duration for the system activity accounting tool from 10 minutes to 30 minutes:vim /etc/cron.d/sysstat Update the following line: */10 * * * * root /usr/lib64/sa/sa1 1 1 To look like this: */30 * * * * root /usr/lib64/sa/sa1 1 1 Save the file by running :wq
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Challenge
Capture the results of the vmstat command in a file - /root/vmstat_report. The report should have a delay of one second with a count of ten and also include timestamps.
Use the
vmstat
command to generate a report and redirect the output to/root/vmstat_report
:vmstat -t 1 10 > /root/vmstat_report
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Challenge
Capture the results of the iostat command in a file - /root/iostat_report. Only include statistics from the nvme0n1 device (cpu and average removed). It should have a one second delay and count of five.
Use the
iostat
command to generate a report and redirect the output to/root/iostat_report
:iostat -dy -p nvme0n1 1 5 > /root/iostat_report
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