피드 구독
Linux 

In 7 Linux commands to gather information about your system, I showed different command line applications you can use to get information about your system. These commands are a great way to obtain specific system information, such as CPU or RAM details. They are particularly useful if you want to process that information with other commands.

Maybe you're looking for a tool that provides a comprehensive view of the main system components graphically. If so, CPU-X is a fantastic option. CPU-X is an open source utility that collects system information about your CPU, motherboard, RAM, and GPU and displays it in a graphical interface.

[ Keep your most commonly used commands handy with the Linux commands cheat sheet. ]

In this article, I'll demonstrate some of CPU-X's main features.

Install CPU-X

If you're running Fedora, you can install CPU-X straight from the official repository using dnf:

$ sudo dnf -y install cpu-x

A few other distributions, as well as FreeBSD, provide packages for CPU-X. If your distribution does not support it, you can run it as an AppImage or build it from source.

[Cheat sheet: Old Linux commands and their modern replacements ]

View system information

Once it's installed, run CPU-X by typing the command cpu-x in your terminal or clicking the icon on your application menu. By default, CPU-X runs as an unprivileged user displaying CPU information.

CPU-X CPU information

Switch tabs to see information about other components, such as system information:

CPU-X System information

Or GPU information:

CPU-X GPU information

You can select the other tabs to obtain information about cache speed or for benchmarking.

Enable additional data with daemon mode

Running CPU-X as a regular user allows you to see most of the information available—but not all. To gather the missing information, CPU-X requires root access to parts of the system.

To accomplish this while running the interface as a regular user, CPU-X provides a daemon mode. When you start CPU-X in daemon mode, it runs a small component as the root user, which then passes information back to the user interface (UI) running as a regular user. To start daemon mode, launch CPU-X from the command line with the parameter --daemon or click on the button Start daemon on the interface. In both cases, you must type your password to run the daemon as root:

$ cpu-x --daemon

With the daemon running, a new tab, Memory, appears to show information about physical memory banks:

CPU-X Memory information

Depending on your hardware, information missing on other tabs may also be available now. Because it depends on the hardware, results may vary.

[ Learn how to manage your Linux environment for success. ]

Terminal view

For those who like the terminal, CPU-X provides an interactive terminal interface based on the ncurses library. To use it, start CPU-X from the command line with the parameter --ncurses:

$ cpu-x --ncurses

You can see the same information from the graphical UI on your terminal. Navigate across tabs using your keyboard's arrow or Tab key. Press h for help with additional keybindings and q to quit the interface.

CPU-X graphical version of information displayed by ncurses

Instead of an interactive interface, you can also dump the information to your terminal by starting CPU-X with the parameter --dump:

$ cpu-x --dump

  >>>>>>>>>> CPU <<<<<<<<<<

	***** Processor *****
          Vendor: AMD
       Code Name: Ryzen 7 (Cezanne)
         Package: FP6 (BGA-1140)
      Technology: 7 nm
         Voltage: 
   Specification: AMD Ryzen 7 PRO 5850U with Radeon Graphics 
          Family: 0xF
    Disp. Family: 0x19
           Model: 0x0
     Disp. Model: 0x50
           Temp.: 
        Stepping: 0
    Instructions: MMX(+), SSE(1, 2, 3, 3S, 4.1, 4.2, 4A), AVX(1, 2), FMA(3), AES, CLMUL, RdRand, SHA, AMD-V, x86-64

This is a good alternative if you want to quickly get a piece of information or process the results with other tools, such as grep or awk.

What's next?

CPU-X is a great way to gather and display system information. It's comprehensive and flexible, allowing you to see data on a graphical or text interface.

For more options or to customize the appearance or keybindings for ncurses mode, look at the help by running cpu-x --help. You can also consult the project's wiki page.


저자 소개

Ricardo Gerardi is Technical Community Advocate for Enable Sysadmin and Enable Architect. He was previously a senior consultant at Red Hat Canada, where he specialized in IT automation with Ansible and OpenShift. 

He has been a Linux and open source enthusiast and contributor for over 20 years. He is currently interested in hacking stuff using the Go programming language, and he's the author of Powerful Command-Line Applications in Go: Build Fast and Maintainable Tools. Ricardo also writes regularly about Linux, Vim, and command line tools for Opensource.com and Enable Sysadmin community publications.

Ricardo enjoys spending time with his daughters, reading science fiction books, and playing video games.

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