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Monitor System Processes on Linux with htop

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What is htop ? htop is a Linux tool divided into three section ( CPU and Memory usage information,  Load Average Uptime and View of Processes) which allows real time monitoring of the  processes. It was created to replace  the ‘top’ command line unix utility and it is much easier to use for simple and normal tasks. Figure 1 shows htop running on my ubuntu machine.


Figure 1

Identifying which process is slowing  down your computer  is an easy task in htop. It shows  your  usage per cpu and very detailed information about each process.  The htop does not come installed by default  in Linux distributions but  installation  is as simple as apt-get command. Run ‘sudo apt-get install htop’ command in your terminal like shown in Figure2.

Figure 2

After the installation  is finished  to run htop type ‘htop’ command in a terminal windows and press enter.

Figure 3 – Running htop


Figure 4

The CPU and Memory section located on the top left gives information about  the number of cpu cores  with a progress bar in different colors. This progress bar  represents the load of cpu cores. Different colors stand for different things , for example  the green color of  progress bars in Figure   means  normal processes. Up and down arrow keys help you to select a process  while left and right allow you to scroll horizontaly.  How do you kill a  process ? Ti kill a  process with htop you don’t need the pid, just use the up/down arrow keys to select the process you want to kills and press F9 like shown in Figure 5.

What is htop ? htop is a Linux tool divided into three section ( CPU and Memory usage information,  Load Average Uptime and View of Processes) which allows real time monitoring of the  processes. It was created to replace  the ‘top’ command line unix utility and it is much easier to use for simple and normal tasks. Figure 1 shows htop running on my ubuntu machine.


Figure 1
Identifying which process is slowing  down your computer  is an easy task in htop. It shows  your  usage per cpu and very detailed information about each process.  The htop does not come installed by default  in Linux distributions but  installation  is as simple as apt-get command. Run ‘sudo apt-get install htop’ command in your terminal like shown in Figure2.

Figure 2
After the installation  is finished  to run htop type ‘htop’ command in a terminal windows and press enter.

Figure 3 – Running htop

Figure 4
The CPU and Memory section located on the top left gives information about  the number of cpu cores  with a progress bar in different colors. This progress bar  represents the load of cpu cores. Different colors stand for different things , for example  the green color of  progress bars in Figure   means  normal processes. Up and down arrow keys help you to select a process  while left and right allow you to scroll horizontaly.  How do you kill a  process ? Ti kill a  process with htop you don’t need the pid, just use the up/down arrow keys to select the process you want to kills and press F9 like shown in Figure 5.

Figure 5

Press Enter to send the  ‘killing signal’ or  Esc to  Cancel. To change the display color press F2 to enter setup  and go to colors using arrow keys or mouse.

Figure 6
I will choose  Light Terminal and press F10  to save it.

Figure 5

Press Enter to send the  ‘killing signal’ or  Esc to  Cancel. To change the display color press F2 to enter setup  and go to colors using arrow keys or mouse.


Figure 6

I will choose  Light Terminal and press F10  to save it.

--------------------------------------------------------------------- Monitor System Processes on Linux with htop


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