How to check hard disk, CPU, and memory usage in elementary OS

This article is for beginners who have migrated from Windows and landed their first steps on Linux via elementary OS. There is no integrated feature in elementary OS for viewing the system information like hard disk usage, CPU consumption, and memory usage.

People who migrated from Windows are used to seeing the hard disk usage details in the ‘Explorer,’ and Task Manager gives the details of CPU and RAM consumption. Elementary OS ships with the “System Monitor” tool that provides a similar system resources usage stats. You should be able to access it from the Applications menu. Here is a screen-shot of it.

System Monitor

For some reason, if your system doesn’t have it installed, which is likely in the older versions of elementary OS, I recommend using the GNOME System Monitor tool, and it is available for free download from the Ubuntu repository. Since elementary OS is a Ubuntu derivative, the program works flawlessly.

Install GNOME System Monitor

You can use apt-get command to get the GNOME System Monitor. Launch ‘Terminal’ from ‘Applications’ and copy-paste the following command. You will have to enter your root password and answer ‘Y’ during the process.

sudo apt-get install gnome-system-monitor

apt-get gnome system monitor - elementary OS Terminal
apt-get gnome system monitor – elementary OS Terminal

An alternate way of installing it without the command line is by using the ‘Software Center.’ Look for GNOME System monitor and click on ‘Install.’

GNOME System Monitor - Software Center
GNOME System Monitor – Software Center

GNOME System Monitor Features

Once you are done installing it, type ‘GNOME System Monitor’ in the ‘Applications’ search box and launch the program.

File Systems

The File Systems tab gives the hard disk usage of all the front-end accessible partitions. It shows the available free hard disk space and the used space.

Hard disk usage - GNOME System Monitor
Hard disk usage – GNOME System Monitor

System Resources

The Resources tab gives CPU Usage History, Memory and SWAP consumption, and Network usage details.

System Resources Usage Details - GNOME Resource Monitor
System Resources Usage Details – GNOME Resource Monitor

Processes

The processes tab has a list of all running processes in the session.

System Processes Running - GNOME System Monitor
System Processes Running – GNOME System Monitor

Kiran Kumar
Hi there! I'm Kiran Kumar, founder of FOSSLinux.com. I'm an avid Linux lover and enjoy hands-on with new promising distros. Currently, I'm using Ubuntu as a daily driver and run several other distros such as Fedora, Solus, Manjaro, Debian, and some new ones on my test PC and virtual machines. I have a day job as an Engineer, and this website is one of my favorite past time activities, especially during Winter ;). When I'm not writing for FOSSLinux, I'm seen biking and hiking on scenic trails. I hope you enjoy using this website as much as I do writing for it. Feedback from readers is something that inspires me to do more and spread Linux love!. If you find a time, drop me an email or feedback from the 'Contact' page. Or simply leave a comment below if you found this article useful. Have a good day!

1 COMMENT

  1. This article was useful to me, I could install gnome system monitor within a few seconds. Thanks a lot!
    btw, Elementary OS is amazing.

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