Daily interesting computer knowledge, today’s topic: Linux – start – The English pronunciation of Linux is /ˈlɪnəks/, which is phonetically similar to “林纳克斯” in Chinese. For those who are unsure of the pronunciation, you can listen to the standard pronunciation audio by its creator 📻 http://www.paul.sladen.org/pronunciation/torvalds-says-linux.wav The name Linux is a combination; the first part … Read more
81. Question:_____ command provides an overview of the current resource usage of the system, including CPU, RAM, and swap space. Option 1: top Option 2: ps Option 3: ls Option 4: sysstat Correct Answer: 1 Explanation: The top command provides an overview of the current resource usage of the system, including CPU, RAM, and swap … Read more
Just took over a Linux server that suddenly reports “Service failed to start” and can’t find the critical logs after searching through the /var/log directory? Many new operations staff may fall into the “log confusion” dilemma. In fact, by mastering 3 core commands and remembering common log paths, you can locate the issue in just … Read more
Many people usually browse information on WeChat and see Douyin commands sent by friends, which clearly state they are links to videos, products, or live streams, but after clicking for a long time, nothing happens, leaving them confused: Either it doesn’t open, or clicking does nothing, and some don’t even know what this command is … Read more
cd / # Enter the root directory pwd # Print the current directory (command meaning: print work direction) ls # Display all files nano 文件名称 # Edit and open a file # After editing, save using keys CTRL+O enter CTRL+X rm -r # Delete a folder mkdir # Create a new folder # Write content … Read more
Introduction in one sentence: Ad-hoc commands are Ansible’s “quick knife”, allowing you to manage servers in bulk with a single command in the command line. 1. What are Ad-hoc Commands? In Ansible, there are two main execution methods: 1.Ad-hoc commands: Execute a single task directly in the command line, suitable for temporary bulk operations. 2.Playbook: … Read more