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This article introduces 5 essential log viewing commands for Linux server beginners, applicable to daily problem diagnosis and monitoring. The core commands and their uses are as follows: 1. **tail**:

The data on Linux servers (such as website files, business logs, etc.) is crucial and requires reliable backup to mitigate risks of data loss caused by hardware failures, misoperations, and other issu

This article addresses Linux server security issues and summarizes 5 simple hardening steps for beginners: 1. **System Update and Patch Management**: Regularly update system packages (use `apt upda

When the disk space on a Linux server is insufficient, you can resolve it by following these steps: First, execute `df -h` to check partition usage, focusing on the root directory or system directorie

Linux user management is fundamental to system maintenance, distinguishing permissions through user (UID) and group (GID) identifiers to ensure security and resource isolation. Core operations include

This article introduces 6 essential performance monitoring tools for Linux server beginners, helping them quickly grasp the "health status" of servers. System monitoring is crucial for ensuring servic

Mounting in Linux is a crucial operation to connect external storage devices (such as hard drives and USB flash drives) to the directory structure, enabling the system to read data from external devic

### Introduction to Nginx Reverse Proxy and Load Balancing **Core Functions**: Reverse proxy hides backend servers and unifies user access; load balancing distributes pressure across multiple serve

### Guide to Virtual Hosting and Apache Multi-Site Configuration This article introduces configuring virtual hosts on Linux servers using Apache to run multiple websites on a single server, which s

### Why Update the Linux System? Updates fix security vulnerabilities, add new features (e.g., support for new hardware), optimize performance, and enhance system security and usability. ### Pre-