Nmon is a system monitoring tool for AIX and Linux that dynamically displays performance metrics like CPU usage, memory usage, disk usage, and top processes on one screen. It can also save this data to a text file for later analysis and graphing. Nmon is run with commands specifying the sample interval, number of samples, and whether to include top processes and save to a file. The output is in a spreadsheet-friendly CSV format.

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SYSTEM MONITORING TOOL
NMON

2. Copyright © 2013 Deloitte Development LLC. All rights reserved.
Nmon:
The Nmon tool is a system monitor tool designed for AIX and Linux performance
specialists to use for monitoring and analyzing performance data like CPU
utilization ,Memory usage, Top processors ,Disk usage and etc.
What is Nmon

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Benefits
• The nmon tool is helpful in presenting all the important performance tuning
information on one screen and dynamically updating it.
• The nmon tool can also capture the same data to a text file for later analysis
and graphing for reports. The output is in a spreadsheet format (.csv)

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Syntax
• Nmon –s 30 –c 50 –t –f
• -s <sample-interval-in-sec>
• -c <count>
• -t <include-top-processes>
• -f <save-to-file>

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Action-1
• Open putty
• Enter Linux server name
• Enter username and password

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Action-2
• Enter Nmon
> If the Below Screen is displayed that Means Nmon is installed in
your system

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 Go to the Directory where u want to store the Nmon data
Example: cd /usr/tmp/nmon/
 Type: nmon –f –s900 –c24 -t -Y
To get the “Count” use Below formula
C = Number of Hours * 60*60 Divided by Number of Sec
Action-3

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Action-4
 Type : Ps –eaf | grep nmon
The Above command will display the number of processor running
on the systems
 Type : ls – ltr
The above Command will display the number of items in the current
folder
 Now Type: Exit

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FTP Transfer
 This procedure is used to transfer any files from Aix/linux system to
your Local system
 Open Command prompt
 Type : FTP <Server Name>
 Type : User name and password
 Go to the Directory (Ex: cd /usr/tmp/nmon/)
 To get all the log file from the directory type: mget *
 To find the list of file in a directory type : ls -ltr
 To get a specific log file type: get <file name>