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Monitor Linux System Resource Usage With SysMonTask

By sk
Published: Last Updated on 2.5K views

In this guide, we will discuss what is SysMonTask, how to install SysMonTask in Linux and finally how to monitor Linux system resource usage with SysMonTask utility.

What is SysMonTask?

A while ago we looked at Sysmon, a graphical application to monitor resource usage about CPU, GPU, Memory, HDD/SDD and network connections in Linux. Sysmon gained attention in a short period of time, because it looked similar to Task Manager of Windows 8/10. Today, we will see about yet another Windows like Task Manager For Linux named SysMonTask.

Sysmontask is a graphical Linux system monitor application with the compactness and usefulness of Windows Task Manager to allow higher control and monitoring. It will monitor and display the system resource usage and performance details of running processes, CPU, Memory, HDD/SSD, and Network interface cards. Sysmontask is written in Python programming language and its source code is freely available in Github.

Install Sysmontask in Linux

Sysmontask can be installed in multiple ways.

On Ubuntu and its derivatives:

If you are using Ubuntu 18.04, 20.04 and 20.10 and equivalent, install Sysmontask using this official PPA created by the developer:

$ sudo add-apt-repository ppa:camel-neeraj/sysmontask
$ sudo apt install sysmontask

Note: If you are on Ubuntu<=20.04 versions, you should install psutil:

$ sudo pip3 install -U psutil

On Arch Linux and its variants:

Sysmontask is available in AUR, so you an install it using any AUR helper tools like Paru or Yay on Arch Linux and its variants like Manjaro Linux as shown below:

$ paru -S sysmontask


$ yay -S sysmontask

Or, you can manually install it like below:

$ git clone https://aur.archlinux.org/sysmontask.git
$ cd sysmontask
$ makepkg -si
$ sysmontask

On Fedora:

Sysmontask is available in the default repositories of Fedora distribution. Run the following command to install Sysmontask in Fedora:

$ sudo dnf install sysmontask

Using Pip:

Since Sysmontask is written in Python, you can install it using Pip package manager:

$ pip3 install sysmontask

The above command will install the necessary scripts such as sysmontask, sysmontask.set_dark, sysmontask.set_default, sysmontask.set_light and sysmontask.uninstall in "~/.local/bin" directory. If this directory is not on your $PATH, you need to add this directory to $PATH.

$ export PATH=/home/sk/.local/bin/:$PATH

From Source:

Git clone the Sysmontask repository using command:

$ git clone https://github.com/KrispyCamel4u/SysMonTask.git

The above command will download the contents of Sysmontask GitHub repository in a local folder named SysMonTask in the current directory. Install all necessary which are mentioned in the requirements.md file. You can find this file inside the cloned directory.

After installing the dependencies, run the following commands to compile and install Sysmontask from source like below:

$ cd SysMonTask
$ sudo python3 setup.py install

For Nvidia GPUs, you should install nvidia-smi. It is probably installed by default with Nvidia propriety drivers.

To verify if it is already installed, run:

$ nvidia-smi

If it is not installed, install it before starting Sysmontask.

Monitor Linux system resource usage with SysMonTask

It is recommended to run Sysmontask for the first time from Terminal, so that all essential scripts will be copied to the intended locations.

$ sysmontask

This is how Sysmontask default interface looks like:

sysmontask processes tab
sysmontask processes overview

By default, Sysmontask lists all running processes along with their usage in a simple tabular column format. As you can see in the above output, the following details are listed under Processes tab:

  • PID (Process ID)
  • Name of the process
  • rCPU (recursive-CPU) usage
  • rMemory (recursive-Memory) usage
  • CPU usage
  • Memory usage
  • Disk Read and Write rate in human readable format
  • The owner of the process
  • And the actual path of the process

Sysmontask is not just a process viewer. You can terminate unnecessary processes as well. To kill a process, just select it and hit the Killer button at the bottom.

Kill processes from sysmontask interface

Performance tab

You will see Performance tab next to the Processes tab. Under the Performance tabs, you will have the total resource usage of CPU, Memory, HDD/SDD, Network interface card in the left pane. On the right pane, you can view the individual statistics of each device.

sysmontask performance tab
sysmontask performance tab

Under CPU tab on the right, you can view the following details:

  • CPU utilisation in %
  • Number of running processes
  • Temperature,
  • Current CPU usage speed,
  • Number of CPU Threads
  • Number of cores
  • Logical processor count
  • Total CPU speed
  • Whether VT is enabled or not
  • L1/L2/L3 cache usage

The Memory tab lists the following details:

  • Total installed Memory size
  • Current Memory usage
  • Available Memory
  • Buffer / Cache size
  • Swap size
  • RAM speed
  • Memory slot used
  • Form Factor

Under Disk tab, you will find the following details:

  • Total disk size
  • Data transfer rate
  • Read / Write speed
  • Partition details
  • Mount points
  • Filesystem type
  • Total and Available free space

You can see these details under Network tab:

  • Name of the Network card
  • Send and Receive speed
  • Total sent and received bandwidth
  • IPv4 / IPv6 addresses
  • Mac address

Set different theme for Sysmontask

By default, Sysmontask will your system themes. It also includes light and dark themes if you're interested to try them.

To set a different theme, for example light theme, the command would be:

$ sysmontask.set_light

Enter the number to choose a theme:

0 : Ambiance
1 : Raleigh
2 : Radiance
3 : Emacs
4 : Yaru
5 : Adwaita
6 : Default
7 : HighContrast
Index for Corresponding Theme that you want to apply?:

To reset to the default theme, do:

$ sysmontask.set_default 

Uninstall Sysmontask

If you don't use it anymore, you can simply remove as shown below.

If you have installed it using Apt, run this command to remove Sysmontask:

$ sudo apt remove sysmontask

For DNF:

$ sudo dnf remove sysmontask

If it is installed with Pip, the following commands should remove it:

$ sudo sysmontask.uninstall
$ sudo pip3 uninstall sysmontask

If you've installed from source, go to the cloned directory and run:

$ ./uninstall.sh

SysMonTask is very new and is being actively developed by a few community members. You will likely to expect bugs. If you encounter with any bugs, report them in the GitHub page given below.


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