Linux is a popular and widely-used operating system. Its flexibility, power, and versatility make it a go-to choice for many tech professionals. One of the staples of administering and troubleshooting Linux systems is knowing the CPU usage and system load. In this comprehensive guide, we will go over different techniques for displaying CPU information on Linux.
1. Using the top Command:
The top command is an interactive process viewer and system monitor. It displays a list of processes, ranked by their usage of system resources such as CPU and memory. To use the top command, open a terminal window and type:
top
This will show you a list of all the running processes, with the most CPU-hungry processes at the top.
2. Using the mpstat Command:
The mpstat command is used to display CPU usage and system load statistics on multi-processor systems. It displays a list of individual CPU usage statistics, as well as overall system statistics. To use the mpstat command, open a terminal window and type:
mpstat
This will show you a list of individual CPU usage statistics, as well as overall system statistics.
3. Using the sar Command:
The sar command is used to display system activity reports. It can be used to display CPU usage statistics, as well as other system statistics such as memory and disk usage. To use the sar command, open a terminal window and type:
sar
This will show you a list of system activity reports, including CPU usage statistics.
4. Using the htop Command:
The htop command is an interactive system monitor and process manager. It displays a list of running processes, with the most CPU-hungry processes at the top. To use the htop command, open a terminal window and type:
htop
This will show you a list of running processes, with the most CPU-hungry processes at the top.
5. Using the inxi Command:
The inxi command is a versatile system information script that can display information about your system hardware and software, including CPU information. To use the inxi command, open a terminal window and type:
inxi -C
This will show you detailed CPU information, including the CPU model, speed, and cache size.
In conclusion, displaying CPU information on Linux is an essential task for any system administrator or user. By using one of the above methods, you can easily monitor your system’s CPU usage and troubleshoot any performance issues. Whether you prefer an interactive process viewer or a simple command-line tool, there is a method that will work for you. So go ahead and give it a try, and see what a comprehensive and informative guide can do for your Linux experience.
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