Whowatch is a console-based, interactive user and process monitoring tool. Whowatch shows the information about the user’s currently logged on the machine, in real-time. It shows the information like login name, tty, host, user’s processes of logging user’s. whowatch shows all processes of the selected user’s in tree format. We can send the singles like SIGINT, SIGHUP, SIFTERM, and SIGKILL signals to the processes.
Now Let’s see how to install the whowatch on Linux systems:
Installation of whowatch:
To install whowatch on Debian based system like Ubuntu, Kali Linux use the following command:
sudo apt install whowatch
To install whowatch on CentOs/RHEL systems use the following command:
sudo yum install whowatch
To install whowatch on Fedorea 22+ system use the following command
sudo dng install whowatch
To install whowatch on Arch-based system like Arch Linux, Garuda Linux use the following command
sudo pacman install whowatch
Now, We have installed the whowatch on our Linux system now let’s see how to use whowatch
How to Use of whowatch:
To run Whowatch simple run whowatch command
Then we can see the output like:
In the above output, we can see that there are 3 users logged in the system with tty1,pts, and tty2.
We can select the particular user using the up and down arrow keys. To view the information like name, home, UID, GID, and shell of selected user use d key.
To view the user’s process tree of selected use press ENTER key
To view all processes of selected user use t key
To view the details of any specific process. Select the process using arrow keys and use d key
To view information about the system user s key
To find more information about the whowatch using the man command