Use the nmon command and then press t to view a process that utilizes more resources. The nmon is an interactive command-line tool that monitors the CPU, disks, NFS, memory, and network utilization. Nmon – Nigel’s performance Monitor for Linux To run the ps command on a Linux system, use the following syntax: ps -p $PID -o %cpu,%mem When the ps command is used with the process id (PID), it displays the CPU and memory utilization information. The ps command is useful to determine which process is hogging the CPU. Ps – CPU and memory utilization information To monitor CPU usage and other system resources use the htop in the following way: htop However, you need to install the htop utility on your system by typing the command: sudo apt install htop The htop command-line tool is not installed on Linux by default. It also provides you with the process path under the command column. You can either scroll vertically, horizontally to display more details. It gives a detailed summary of the CPU and system resource utilization. The htop is also a command-line utility that is similar to top. When you use the top command, you can highlight the running processes by pressing z. You can display a specific user process using the top command as follows: top -u sam-pc
Here are some top command usage examples: The process list is sorted by the percentage of CPU utilization. Using the below-given command, you can run the top utility on a Linux system: topĪs you can see in the output mentioned above, the top header section displays the system’s overall status information, such as uptime, load average, total process counts, current CPU utilization status, and usage of memory and swap space. It monitors the complete utilization of process, CPU, and memory on your Linux system. It provides the dynamic real-time summary of all currently running tasks that are managed by the Linux kernel. The top program is a command-line utility installed by default on almost all Linux operating systems. Top – Dynamic real-time process statistics
sar – Displays a short report of CPU usage.vmstat – Displays information about CPU activities and other resource utilization.glances – Displays system resource utilization on a single screen.atop – Records the resource utilization in a file to be viewed later.nmon – Nigel’s performance Monitor for Linux.ps – CPU and memory utilization information.top – Dynamic real-time process statistics.
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