25 Ways to View Your Linux Configuration Information（linux配置信息查看）

There are numerous ways to view the configuration information of your Linux system. In this article, we will discuss 25 methods for accessing this valuable information.

1. /proc/cpuinfo: This file provides information about the CPU, including its model and speed.

2. /proc/meminfo: This file provides information about your system’s memory, including total memory and available memory.

3. /proc/version: This file contains information about the kernel version, distribution, and date of installation.

4. /etc/resolv.conf: This file contains information about the DNS (Domain Name System) server.

5. /etc/fstab: This file contains information about your file system.

6. /etc/passwd: This file contains information about the users on your system.

7. /etc/group: This file contains information about the groups on your system.

8. /var/log/messages: This file contains system messages, including error messages.

9. /var/log/syslog: This file contains system messages.

10. dmesg: This command shows the kernel message buffer.

11. lspci: This command lists all PCI devices connected to your system.

12. lsusb: This command lists all USB devices connected to your system.

13. lshw: This command shows detailed information about your hardware.

14. df: This command shows disk space usage.

15. du: This command shows disk space usage of individual files and directories.

16. top: This command shows system resource usage, including CPU and memory usage.

17. free: This command shows memory usage.

18. uname -a: This command shows system information, including the kernel version, distribution, and date of installation.

19. ifconfig: This command shows network information, including IP address and network interfaces.

20. netstat: This command shows active network connections.

21. route: This command shows your system’s routing table.

22. iptables -L: This command shows the status of your firewall.

23. cat /proc/sys/kernel/version: This command shows the kernel version.

24. lsmod: This command lists loaded kernel modules.

25. uptime: This command shows how long your system has been running.

In conclusion, there are numerous ways to view your Linux configuration information, ranging from simple commands to accessing system files. Utilizing these methods, you can better understand the hardware and software components of your Linux system.

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