August 1, 2025
Dynamic Memory Allocation and Deallocation in Linux
Introduction This document explores the core mechanisms of Linux memory management and analyzes optimization strategies for...
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July 31, 2025
Analysis of Core Mechanisms in Linux Memory Management
I. Physical Memory Allocation Architecture 1.1 Buddy System Fundamentals – **Basic management unit**: Page (typically 4KB)...
July 30, 2025
Linux Memory Management and Page Swapping Mechanism
Introduction In Linux systems, memory management is a critical component for optimizing system performance. Whether running...
July 28, 2025
Linux Server Memory Management and Optimization
**Introduction: Importance of Linux Server Memory Management** In modern computing environments, memory management is critical for...
July 27, 2025
Tutorial: Memory Management Mechanism in Linux
**Introduction** Linux’s memory management mechanism is a critical part of its operating system design, ensuring programs...
July 26, 2025
CentOS 9 Time Synchronization Setup Guide
On CentOS 9, setting up time synchronization is typically done using the **chronyd** service, which is...
July 25, 2025
Resizing Large Data Disks (>2TB) in Linux Virtual Machines
This document outlines a method to address the issue of resizing Master Boot Record (MBR) partitions...
July 24, 2025
How to create a swap partition using cloud-init on Azure Linux VMs
In the world of cloud computing, optimizing the performance of virtual machines (VMs) is crucial, especially...
July 23, 2025
How to Perform an In-Place Upgrade for RHEL PAYG Hong Kong Cloud Server Using Leapp
**Background and Key Considerations** Upgrading RHEL systems is critical for accessing new features, security updates, and...
July 22, 2025
Fundamentals of Linux Driver Development: A Practical Guide Based on the Goldfish Kernel
1 Technical Background In the Linux system, the kernel manages core resources (CPU scheduling, memory management,...
July 20, 2025
How to Safely Shrink a Data Disk Size Without Data Loss on Azure VPS / Cloud Servers
**Key Takeaways** * **Safe Disk Reduction:** Azure does not support directly shrinking data disks. This is...
July 19, 2025
Troubleshooting Common Issues with Linux yum and dnf Package Managers
Applies to: Linux VMs This guide addresses common issues and solutions when using the yum and...
July 16, 2025
Comparison of System Commands in CentOS and Ubuntu
CentOS and Ubuntu, two prominent Linux distributions based on Red Hat (RPM ecosystem) and Debian (DEB...
July 15, 2025
Technical Tutorial for Setting Up an SSR Server on a Hong Kong Cloud Server
This tutorial provides a detailed technical guide on how to set up a ShadowsocksR (SSR) server...
July 14, 2025
Linux Deletion Command Usage Guide
Streamlined Guide to File Deletion in Linux File deletion is a critical task in Linux system...
December 16, 2023
How to Fix Linux Error – Function not implemented
How to Fix Linux Error – Function not implemented Encountering errors on a Linux server can...
December 16, 2023
How to Fix Linux Error – Host is down
How to Fix Linux Error – Host is Down When managing a Hong Kong VPS hosting...
December 16, 2023
How to Fix Linux Error – Network is unreachable
How to Fix Linux Error – Network is Unreachable Encountering a ‘Network is unreachable’ error on...
December 16, 2023
How to Fix Linux Error – Connection timed out
How to Fix Linux Error – Connection Timed Out When managing a Hong Kong VPS hosting...
December 16, 2023
How to Fix Linux Error – Too many levels of symbolic links
How to Fix Linux Error – Too Many Levels of Symbolic Links When managing a Hong...