May I know what are the system monitor applications available in Ubuntu (GUI/CLI)?

closed as too broad by Avinash Raj, Amith KK, Alvar, Braiam, Eric Carvalho Mar 5 '14 at 13:46

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  • posted to help others. even its a basic one. may be some of us missing some awesome tools. down there I am posting what I know. Please improve it if you know anything new. – rɑːdʒɑ Mar 5 '14 at 12:11
  • possible duplicate of A light alternative to gnome-system-monitor? – kamil Mar 5 '14 at 12:18
  • I don't think this is too broad, basically because a limited number of answers is possible (and in fact there is a very good answer). I am voting to reopen, but let's see where democracy takes us. – don.joey Mar 5 '14 at 14:00
  • Okay I will wait. If no changes , I can think it is the time. @don.joey thanks for your support. – rɑːdʒɑ Mar 5 '14 at 14:05

ndicator-SysMonitor Indicator-SysMonitor does a little, but does it well. Once installed and run, it displays CPU and RAM usage on your top panel. Simple.

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Download from here


One of my personal favourites

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Screenlet you’ll find a bunch of differently styled CPU and RAM monitors included in the screenlets-all package available in the Ubuntu Software Center.

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To install:

sudo apt-get install python-pip build-essential python-dev
sudo pip install Glances
sudo pip install PySensors

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Displays information about CPU, memory, processes, etc.


This command line tool will display statistics about your CPU, I/O information for your hard disk partitions, Network File System (NFS), etc. To install iostat, run this command:

sudo apt-get install sysstat

To start the report, run this command:


To check only CPU statistics, use this command:

iostat -c

For more parameters, use this command:

iostat --help


The mpstat command line utility will display average CPU usage per processor. To run it, use simply this command:


For CPU usage per processor, use this command:

mpstat -P ALL


Saidar also allows to monitor system device activities via the command line.

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You can install is with this command:

sudo apt-get install saidar

To start monitoring, run this command:

saidar -c -d 1

Stats will be refreshed every second.


GKrellM is a customizable widget with various themes that displays on your desktop system device information (CPU, temperature, memory, network, etc.).

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To install GKrellM, run this command:

sudo apt-get install gkrellm


Monitorix is another application with a web-based user interface for monitoring system devices.

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Install it with these commands:

sudo add-apt-repository ppa:upubuntu-com/ppa
sudo apt-get update
sudo apt-get install monitorix

Start Monitorix via this URL:


You also have iotop to monitor I/O

Run it as,

sudo iotop

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  1. Gnome System monitor

This is default in every Ubuntu installation. Just type as monitor in Unity dash and it will list you.

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2 . top

This is a CLI tool , Open your terminal and and type top and you can view it.

enter image description here 3 . htop

This is not default one . you have to install it by using

sudo apt-get install htop

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4 . nmon

This is also not default one. You have to install it manually with

sudo apt-get install nmon

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hope that helps.

  • Writing "hope that helps" on your own question is just wrong. – Alvar Mar 5 '14 at 12:33
  • @Alvar read my comment please. Help to others – rɑːdʒɑ Mar 5 '14 at 12:38

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