Nmon
nmon is a free system monitor tool for the AIX and Linux operating systems. It is used to monitor system performance and resource utilization in real time.
nmon: Real-Time System Monitor for AIX and Linuxs
Free system monitor tool to track performance and resource utilization in real-time on AIX and Linux operating systems.
What is Nmon?
nmon is a powerful and popular system monitor tool developed by IBM specifically for the AIX and Linux operating systems. It is used to monitor CPU, memory, network, disks, file systems and other system performance parameters in real time.
Some key features of nmon include:
- Monitors CPU, memory, disks, network, file systems, NFS and top processes
- Captures data at preset intervals and produces output in CSV format for analysis or graphing
- Provides both an interactive interface for real-time monitoring as well as data collection mode
- Uses negligible system resources, making it suitable for production systems
- Free and open-source tool available for download
nmon is widely used by system administrators, developers and performance analysts for purposes like capacity planning, benchmarking, optimizing system configurations, identifying performance bottlenecks and troubleshooting issues. It complements monitoring tools like Ganglia by providing deep dive visibility into various subsystems.
Nmon Features
Features
- Monitors CPU usage
- Monitors memory usage
- Monitors network I/O
- Monitors disk I/O
- Generates reports and graphs
Pricing
- Open Source
Pros
Free and open source
Lightweight and low overhead
Easy to use
Works on multiple platforms
Cons
Limited built-in graphing capabilities
No web interface
Steep learning curve
Official Links
Reviews & Ratings
Login to ReviewThe Best Nmon Alternatives
View all nmon alternatives with detailed comparison →
Top System & Hardware and System Monitoring and other similar apps like Nmon
Here are some alternatives to Nmon:
Suggest an alternative ❐
Htop
htop is an open source, cross-platform interactive process viewer for Linux systems. It aims to provide a more user-friendly interface to view and interact with running processes than the default top utility included with most Linux distributions.Some key features of htop include:Color-coded rows and columns to easily identify process states...
IPtraf-ng
IPtraf-ng is an open-source command-line network monitoring utility for Linux systems. It allows administrators to gather detailed statistics about network traffic flowing through an interface.Some of the information IPtraf-ng can display includes:IP traffic and packet statisticsTCP and UDP connections and packet countsICMP activitiesOSPF neighbor informationInterface statisticsIPtraf-ng has an interactive, menu-driven...
GNOME System Monitor
GNOME System Monitor is a built-in system monitoring and process management utility for the GNOME desktop environment and its derivatives like Ubuntu Unity. It provides both graphical and command-line interfaces to view key system metrics and information.Some of the main features of GNOME System Monitor include:Process manager to view, monitor,...
Vtop
vtop is an open-source, cross-platform interactive monitoring tool for Linux/Unix systems. It provides a real-time view of system resources like CPU, memory, disks, network usage, and active processes. Some key features of vtop include:Real-time graphs and statistics for CPU, memory, network traffic, disk I/O, and moreInteractive terminal UI with sorting/filtering...
Resource Monitor
Resource Monitor is a utility included in modern versions of Microsoft Windows that enables users to view detailed usage information about key hardware components and resources. It provides real-time graphs and metrics related to CPU, memory, disk, and network usage.With Resource Monitor, users can pinpoint programs and processes that may...
Glances
Glances is an open source, cross-platform system monitoring tool written in Python. It allows you to monitor your system's key metrics like CPU, memory, disks, network, and processes in real-time through a curses or web interface.Some key features of Glances include:Real-time overview of system resources utilizationMinimal dependencies and easy to...
Iotop
Iotop is an open source command line utility found in Linux operating systems that provides detailed monitoring of disk I/O usage by processes running on the system. It displays information in a table showing process IDs (PIDS), process names, the type of I/O (read or write), the amount of data...
Atop
Atop is an open-source monitoring tool for Linux systems used to monitor and manage various server resources including CPU, memory, disk drives, network and processes in real-time. It can show both the current status as well as long term statistics of these resources.Some key features of Atop include:Real-time monitoring of...
Psutil
psutil is a cross-platform library for retrieving information on running processes and system utilization in Python. It provides an simple, easy-to-use interface for monitoring different aspects of your system, both software-related and hardware-related.Some key features of psutil include:Retrieving comprehensive information on running processes like name, PID, memory and CPU usage,...
Gtop
gtop is an open-source, terminal-based system monitoring utility for Linux systems. It allows users to visually track CPU and memory usage in real-time through an interactive dashboard shown directly in the terminal.Some key features of gtop include:Live graphs and statistics for tracking usage of CPU, memory, swap, and processesAbility to...
Libstatgrab
libstatgrab is an open-source library written in C that allows programs to easily query key system statistics. It provides a cross-platform interface to access information about CPU usage, memory usage, disk usage, network traffic, uptime, and more on Linux, BSD, macOS, Solaris and other Unix-like operating systems.Some key features of...
