The directory tree structure in the Linux system is a hierarchical file organization method that organizes files and directories in a tree-like format, making it easy for users and programs to find and manage files. In Linux, everything is a file, including hardware devices and the directories themselves.In Linux, various commands can be used to … Read more
Introduction: In the article “Tuning Linux System Level and Common Interview Questions,” the author provides a detailed introduction to common tuning methods for Linux systems and frequently asked interview questions. This article will introduce commonly used Linux commands for performance monitoring. 1. uptime $ uptime 23:51:26 up 21:31, 1 user, load average: …
Today, I will share some hardware-related commands that can be used for daily operations and troubleshooting. Quick Reference Table for Hardware Commands Function Command CPU Information lscpu / cat /proc/cpuinfo Memory free -h / dmidecode -t memory Disk lsblk / fdisk -l / smartctl PCI Devices lspci USB Devices lsusb Motherboard Information dmidecode Temperature Monitoring … Read more
1. Introduction to Common Commands There are many commands in the Linux system that can help us accomplish different tasks. Here, we will introduce some commonly used basic commands that can assist us in performing corresponding basic operations. As we continue learning, we will encounter more Linux commands that can help us complete various tasks. … Read more
Today, let’s share some common commands of Ansible 1 Basic Commands Command Description <span>ansible –version</span> Check Ansible version <span>ansible all -m ping</span> Test connectivity to all hosts <span>ansible <host group> -m ping</span> Ping specified host group <span>ansible webservers -m command -a "uptime"</span> Execute shell command on target host <span>ansible all -i <ip>, -m ping</span> Temporarily … Read more
In Linux, here are some commonly used commands: 1. Using the ls command You can use the ls command with the -lh option to check the file size, including compressed files. For example: ls -lh filename.zip Here, the -l option displays file information in a list format, and the -h option makes the file size … Read more
Click the blue text to follow us When the disk space is full, it can lead to application anomalies. How should we troubleshoot the issue of full disk space? First, we need to confirm the disk space usage. To check the disk space usage, we can use the df command. [root@VM-181-124 ~]# df -h Filesystem … Read more
(Click the public account above to quickly follow) English: Techbar, Translation: Linux China/geekpi linux.cn/article-2389-1.html If you have good articles to submit, please click → here for details I regularly use the Linux shell (Bash), but I often forget some useful commands or shell tricks. Yes, I can remember some commands, but they definitely won’t be … Read more
Linux Server System Information # Display basic system information uname -a # View kernel version uname -r # Display information about the distribution – detailed information about the operating system lsb_release -a # Linux version cat /etc/issue cat /etc/os-release more /etc/redhat-release hostnamectl cat /proc/version # CPU information cat /proc/cpuinfo more /proc/cpuinfo | grep "model name" … Read more
