System Commands

IT Knowledge Base | Issue 3: ‘Commands to Disable the Linux Firewall’

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IT Knowledge Base | Issue 3: 'Commands to Disable the Linux Firewall'

Through action, knowledge deepens; through deep knowledge, action becomes more effective. To stimulate students’ interest and enthusiasm for studying information technology, and to help everyone understand more practical computer knowledge, the School of Information Technology has specially launched the “IT Knowledge Base” column. Continuous effort, like water dripping through stone, conveys the pulse of information, … Read more

Essential Linux Memory Monitoring Commands Explained

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Essential Linux Memory Monitoring Commands Explained

Click the blue “Most Programmer” to follow me! Add a “star“, every day at 18:03 to learn technology together The commands include: 1. The free command, which displays the system memory status, including physical memory, swap memory, shared memory, and system cache usage; 2. The cat /proc/meminfo command, which reads the contents of the /proc/meminfo … Read more

Eight Commonly Used Linux Performance Monitoring Commands: How Many Have You Used?

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Eight Commonly Used Linux Performance Monitoring Commands: How Many Have You Used?

Image source: Internet In Linux systems, there are many performance monitoring tools. Below, I will introduce several commonly used command-line tools. 1. top/htop top: Function: Real-time monitoring of processes, displaying information about CPU, memory, load, swap space, etc. Common Shortcuts: Shortcut Description M Sort by memory usage P Sort by CPU usage k Kill a … Read more

In-Depth Analysis of Linux Core Directory Structure and Function Mapping

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In-Depth Analysis of Linux Core Directory Structure and Function Mapping

System Command Hub: /bin • Core Positioning: Stores the core executable instruction set of the system (abbreviated as Binaries), covering the basic command toolchain used frequently. • Analog Reference: Similar to the C:\Windows\System32 instruction set storage area in Windows environments. Boot Loader Hub: /boot • Core Components: Contains Linux kernel images, hardware driver modules, and … Read more

Common Linux Inspection Commands

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Common Linux Inspection Commands

In Linux systems, various commands are used for system inspections to check system status, performance, configuration, and security. Here are some commonly used Linux inspection commands and their descriptions: 1. System Information ● uname -a：Displays all system information, including kernel version, hostname, etc. ● hostname：Displays or sets the system’s hostname. 2. System Load and Performance … Read more