Tagged articles

filesystem

276 articles · Page 3 of 3

Oct 5, 2020 · Fundamentals

Overview of Linux System Architecture: Kernel, Shell, Filesystem, and Applications

This article provides a comprehensive overview of Linux system architecture, covering the kernel, memory and process management, virtual file system, device drivers, networking, shell types, filesystem hierarchy, partitioning, mounting, and common commands, offering a solid foundation for understanding Linux fundamentals.

LinuxShellfilesystem

0 likes · 34 min read

Overview of Linux System Architecture: Kernel, Shell, Filesystem, and Applications

Laravel Tech Community

Sep 22, 2020 · Backend Development

PHP chown() Function: Changing File Ownership

The article explains PHP's chown() function, detailing its purpose, syntax, parameters, return values, and provides a complete example with code and expected output for changing a file's owner on a server.

Backendchownfile-permissions

0 likes · 2 min read

PHP chown() Function: Changing File Ownership

Laravel Tech Community

Sep 19, 2020 · Backend Development

PHP chmod Function: Changing File Permissions

The PHP chmod function changes a file's permission mode by specifying the file path and an octal mode value, returning true on success and false on failure, with detailed parameter descriptions and multiple code examples illustrating correct and incorrect usage.

Backendchmodfile-permissions

0 likes · 3 min read

PHP chmod Function: Changing File Permissions

Laravel Tech Community

Sep 18, 2020 · Backend Development

PHP getcwd() Function – Retrieve the Current Working Directory

The article explains PHP's getcwd() function, detailing its purpose, syntax, return values, edge‑case behavior on Unix systems, and provides a complete example demonstrating how to echo the current directory before and after changing it.

Backendfilesystemgetcwd

0 likes · 2 min read

PHP getcwd() Function – Retrieve the Current Working Directory

Laravel Tech Community

Sep 17, 2020 · Backend Development

PHP chdir() Function: Change Working Directory

This article explains the PHP chdir() function, its syntax, parameters, return values, and provides a practical example showing how to change the current working directory and verify the change using getcwd().

BackendPHPchdir

0 likes · 1 min read

PHP chdir() Function: Change Working Directory

Laravel Tech Community

Sep 14, 2020 · Backend Development

PHP rmdir() Function: Deleting Directories

The PHP rmdir() function removes an empty directory with proper permissions, returning TRUE on success or FALSE on failure, and the article explains its parameters, return values, and provides cross‑platform code examples for safely deleting directories.

BackendPHPdirectory deletion

0 likes · 2 min read

PHP rmdir() Function: Deleting Directories

Laravel Tech Community

Sep 13, 2020 · Backend Development

PHP mkdir() Function: Syntax, Parameters, Return Values, and Usage Examples

This article explains the PHP mkdir() function, detailing its signature, parameter meanings, default mode, recursive option, return values, and provides two practical code examples demonstrating simple directory creation and nested directory creation with error handling.

Backenddirectoryfilesystem

0 likes · 2 min read

PHP mkdir() Function: Syntax, Parameters, Return Values, and Usage Examples

IT Architects Alliance

Aug 20, 2020 · Fundamentals

Understanding Linux: Kernel, Shell, Filesystem, and Core Components

This article provides a comprehensive overview of Linux’s core architecture, detailing the kernel, shell, memory and process management, virtual file system, various file system types, directory structures, partitioning, mounting procedures, and link mechanisms, offering readers a solid foundation for mastering Linux systems.

KernelShellSystem Administration

0 likes · 35 min read

Understanding Linux: Kernel, Shell, Filesystem, and Core Components

MaGe Linux Operations

Aug 20, 2020 · Fundamentals

Understanding Linux: Kernel, Shell, Filesystems, and System Architecture Explained

This comprehensive guide explores Linux's core components—including the kernel, shell, memory and process management, file systems, device drivers, network interfaces, mounting mechanisms, and link types—providing clear explanations, diagrams, and command examples for anyone learning operating system fundamentals.

KernelShellfilesystem

0 likes · 35 min read

Liangxu Linux

Aug 10, 2020 · Fundamentals

Building a Minimal Linux Filesystem from Scratch: TinyFS Walkthrough

This article walks through the design and implementation of a tiny Linux filesystem called TinyFS, explaining the VFS layers, required POSIX interfaces, data structures, core kernel code, usage steps, current limitations, and a roadmap for extending it with proper superblocks, concurrency, and page‑cache integration.

C++KernelLinux

0 likes · 20 min read

Building a Minimal Linux Filesystem from Scratch: TinyFS Walkthrough

Laravel Tech Community

Jul 30, 2020 · Backend Development

PHP realpath() Function: Description, Parameters, Return Value, and Examples

This article explains PHP's realpath() function, detailing its purpose of returning a normalized absolute pathname, describing its parameters and return values, and providing two practical code examples that demonstrate path resolution on Unix and Windows systems.

BackendPHPPath Normalization

0 likes · 2 min read

PHP realpath() Function: Description, Parameters, Return Value, and Examples

Laravel Tech Community

Jul 20, 2020 · Backend Development

PHP linkinfo() Function: Description, Parameters, Return Value, and Example

This article explains the PHP linkinfo() function, detailing its purpose of retrieving filesystem link information, the required string $path parameter, the return of the st_dev field from lstat (or 0/FALSE on error), and provides a concise usage example.

BackendPHPUnix

0 likes · 2 min read

PHP linkinfo() Function: Description, Parameters, Return Value, and Example

Laravel Tech Community

Jul 19, 2020 · Backend Development

PHP readlink() Function – Description, Parameters, Return Value, and Example

This article explains PHP's readlink() function, detailing its purpose of returning a symbolic link's target, the required path parameter, return behavior on success or failure, and provides a concise example demonstrating its usage.

BackendPHPSymbolic Link

0 likes · 1 min read

PHP readlink() Function – Description, Parameters, Return Value, and Example

Laravel Tech Community

Jul 18, 2020 · Backend Development

Using PHP is_link() to Detect Symbolic Links

This article explains the PHP is_link() function, its purpose of checking whether a given filename is a symbolic link, details its parameter and return values, and provides two practical code examples demonstrating how to use it for link detection and handling.

BackendPHPSymbolic Link

0 likes · 2 min read

Using PHP is_link() to Detect Symbolic Links

Laravel Tech Community

Jul 17, 2020 · Backend Development

PHP is_dir() Function: Description, Parameters, Return Values, and Usage Examples

The article explains PHP's is_dir() function, detailing its signature, parameter description, return values, and provides two practical code examples demonstrating how to check if a path is a directory and handle the result.

BackendFunctionPHP

0 likes · 2 min read

PHP is_dir() Function: Description, Parameters, Return Values, and Usage Examples

Laravel Tech Community

Jul 16, 2020 · Backend Development

PHP is_file() Function: Description, Parameters, Return Values, and Usage Examples

The article explains PHP's is_file() function, detailing its signature, parameter description, return values, important notes on large files and caching, and provides two practical code examples demonstrating how to check for regular files.

BackendFile HandlingPHP

0 likes · 2 min read

PHP is_file() Function: Description, Parameters, Return Values, and Usage Examples

Laravel Tech Community

Jul 15, 2020 · Backend Development

PHP file_exists() Function: Description, Parameters, Return Value, and Usage Examples

The article explains PHP's file_exists() function, detailing its syntax, parameter requirements, return values, safe‑mode warning, and provides two practical code examples demonstrating how to check for the existence of files or directories.

Backendfile_existsfilesystem

0 likes · 2 min read

PHP file_exists() Function: Description, Parameters, Return Value, and Usage Examples

DevOps Cloud Academy

Jun 27, 2020 · Operations

Linux System Disk Management: Adding Virtual Disks, Partitioning, Formatting, Mounting, and Auto‑Mount Configuration

This guide explains how to add virtual disks to a Linux VM, identify them, create partitions with fdisk, format them with XFS or ext4, mount and unmount the filesystems, and configure automatic mounting at boot using /etc/fstab.

LinuxMountingPartitioning

0 likes · 10 min read

Linux System Disk Management: Adding Virtual Disks, Partitioning, Formatting, Mounting, and Auto‑Mount Configuration

Liangxu Linux

Jun 11, 2020 · Fundamentals

Why Does `ls` Show 7.6 GB While `du` Shows Only 2.3 MB? Understanding Sparse Files

The article explains why a large log file appears to occupy several gigabytes with `ls` yet only a few megabytes with `du`, covering file deletion semantics, open file handles, the difference between apparent size and disk usage, and how sparse files cause this discrepancy.

Sparse Filesdufilesystem

0 likes · 12 min read

Why Does `ls` Show 7.6 GB While `du` Shows Only 2.3 MB? Understanding Sparse Files

NetEase Smart Enterprise Tech+

Jun 8, 2020 · Cloud Native

Master Docker Image Layers: Build, Optimize, and Understand Storage

This article walks through building a Docker image, explains the Union File System underlying Docker's layered storage, analyzes image and container file system structures, and presents practical Dockerfile optimization techniques to reduce image size and improve build efficiency.

ImageOptimizationUnion File System

0 likes · 11 min read

Master Docker Image Layers: Build, Optimize, and Understand Storage

Open Source Linux

Jun 1, 2020 · Operations

Why Inodes Fill Up Before Disk Space? Diagnose and Fix Linux Filesystem Limits

This article explains what inodes are, why they can become exhausted even when disk space remains, and provides step‑by‑step Linux commands and cleanup techniques to monitor and resolve inode exhaustion issues.

CronInodecleanup

0 likes · 6 min read

Why Inodes Fill Up Before Disk Space? Diagnose and Fix Linux Filesystem Limits

Python Programming Learning Circle

May 29, 2020 · Fundamentals

Python os Module Functions Overview and Usage

This article provides a comprehensive guide to Python's os module, detailing common file and directory operations such as creating folders, listing files, deleting files, and retrieving file attributes, with syntax, descriptions, and code examples for each function.

OS modulePath manipulationfile operations

0 likes · 22 min read

Python os Module Functions Overview and Usage

Laravel Tech Community

May 10, 2020 · Backend Development

Master Laravel’s File Helper: Essential Methods Cheat Sheet

This concise guide presents Laravel’s File facade methods for common file and directory operations, covering existence checks, reading, writing, moving, copying, permission handling, and cleanup, with clear code examples for each function.

BackendFileFileHelper

0 likes · 5 min read

Master Laravel’s File Helper: Essential Methods Cheat Sheet

Liangxu Linux

May 6, 2020 · Fundamentals

Why Linux Dominates Servers: A Beginner’s Guide to the OS, Filesystem, and Command Line

This article introduces Linux as the world’s most popular operating system, explains why it’s widely used in servers and supercomputers, outlines its Unix‑based philosophy, describes the standard filesystem hierarchy, and walks through essential command‑line basics and common commands for new users.

Unix Philosophycommand linefilesystem

0 likes · 11 min read

Why Linux Dominates Servers: A Beginner’s Guide to the OS, Filesystem, and Command Line

Refining Core Development Skills

Apr 30, 2020 · Fundamentals

Understanding Linux Disk Formatting: mkfs, Inodes, Block Groups, and Filesystem Layout

This article explains how Linux formats disks using mkfs, detailing block size, inode and block counts, block groups, directory structures, and how to choose appropriate parameters for different workloads to achieve optimal storage efficiency and performance.

InodeLinuxblock groups

0 likes · 10 min read

Understanding Linux Disk Formatting: mkfs, Inodes, Block Groups, and Filesystem Layout

Refining Core Development Skills

Apr 18, 2020 · Fundamentals

Do Empty Files Consume Disk Space? Understanding Inodes in Linux

This article explores whether creating an empty file with the touch command consumes disk space on Linux, revealing that each empty file uses one inode and a small amount of directory block space, and explains inode structures, related commands, and a real‑world inode exhaustion incident.

Linuxcommand linefilesystem

0 likes · 7 min read

Do Empty Files Consume Disk Space? Understanding Inodes in Linux

Big Data Technology & Architecture

Apr 15, 2020 · Big Data

Understanding HDFS SecondaryNameNode and the Checkpoint Process

This article explains the role of HDFS SecondaryNameNode, the structure of fsimage and edits files, how checkpointing works—including configuration parameters and steps—and how the process changes when NameNode high availability is enabled.

CheckpointHDFSHadoop

0 likes · 6 min read

Understanding HDFS SecondaryNameNode and the Checkpoint Process

MaGe Linux Operations

Feb 21, 2020 · Fundamentals

Why Does Unix Have Separate /bin, /usr/bin, and /opt? The Historical Reason Explained

This article traces the historical evolution of the Unix directory hierarchy, showing how early storage limitations and the addition of multiple disks led to the creation of distinct directories like /bin, /usr/bin, /usr/local, and /opt, and why those conventions persist today.

LinuxUnixdirectory-structure

0 likes · 4 min read

Why Does Unix Have Separate /bin, /usr/bin, and /opt? The Historical Reason Explained

Tencent Cloud Developer

Jan 20, 2020 · Cloud Computing

Linux Cloud Server Storage Expansion: Methods and Step‑by‑Step Guide

The guide shows how to enlarge storage on a Tencent Cloud Linux VM by adding and expanding CBS cloud disks using three approaches—direct bare‑device formatting, MBR partitioning for disks under 2 TB, and GPT partitioning for larger disks—detailing step‑by‑step commands, online vs offline resizing, and best‑practice recommendations.

CBSGPTLinux

0 likes · 32 min read

Linux Cloud Server Storage Expansion: Methods and Step‑by‑Step Guide

ITPUB

Dec 15, 2019 · Fundamentals

Understanding Linux: Kernel, Memory, Processes, Filesystems and More

An extensive guide walks through Linux’s core components—kernel, memory and process management, VFS, device drivers, networking, shells, filesystem hierarchy, partitioning, mounting, and link types—detailing their structures, key commands, and practical examples for system administrators and developers.

KernelLinuxMounting

0 likes · 35 min read

Understanding Linux: Kernel, Memory, Processes, Filesystems and More

360 Zhihui Cloud Developer

Nov 21, 2019 · Cloud Native

How lxcfs Provides Accurate /proc and /sys Isolation for Containers

This article explains how lxcfs uses FUSE and cgroup technology to isolate /proc and /sys files inside containers, showing the implementation details of cpuonline and loadavg handling, and includes key source code snippets that illustrate the isolation mechanism.

FUSELinuxcgroup

0 likes · 17 min read

How lxcfs Provides Accurate /proc and /sys Isolation for Containers

ITPUB

Nov 21, 2019 · Fundamentals

Understanding GNU/Linux: From GPL to RAID and System Basics

Explore the core concepts of GNU/Linux, including the GNU project and GPL license, Linux distributions, Unix heritage, swap partitions, GRUB bootloader, buffer vs cache, TCP three-way handshake, directory hierarchy, hard and symbolic links, and RAID storage levels, all explained in clear detail.

GNULinuxRAID

0 likes · 11 min read

Understanding GNU/Linux: From GPL to RAID and System Basics

Liangxu Linux

Nov 20, 2019 · Fundamentals

Essential Linux Fundamentals: GNU, GPL, Distributions, Filesystem, RAID & More

This article provides a concise overview of core Linux concepts, covering the GNU project and GPL license, common distributions, swap partitions, GRUB bootloader, buffer vs cache, TCP three-way handshake, filesystem hierarchy, hard and symbolic links, and an introduction to RAID levels and their characteristics.

GNUGPLRAID

0 likes · 11 min read

Essential Linux Fundamentals: GNU, GPL, Distributions, Filesystem, RAID & More

Liangxu Linux

Oct 2, 2019 · Operations

How to Shrink /home and Expand Root on CentOS 7

This guide walks through diagnosing a busy /home mount, installing missing tools, safely unmounting, resizing the home partition, installing XFS utilities, and finally expanding the root filesystem on a CentOS 7 server.

CentOSHOME directoryRoot Expansion

0 likes · 4 min read

How to Shrink /home and Expand Root on CentOS 7

DevOps Cloud Academy

Aug 11, 2019 · Operations

Troubleshooting MooseFS Mount Errors and Related Issues

This guide details common MooseFS mounting problems—including bad mount points, firewall port blocks, error messages, and incomplete disk scans—and provides step‑by‑step commands such as killing processes, unmounting, remounting, and checking services to resolve these issues.

MooseFSMountfilesystem

0 likes · 2 min read

Troubleshooting MooseFS Mount Errors and Related Issues

Liangxu Linux

May 29, 2019 · Fundamentals

Comprehensive Linux Learning Roadmaps and Cheat Sheets

This article compiles a series of Linux mind‑maps and diagrams that outline learning paths, desktop environments, the Filesystem Hierarchy Standard, critical directories, kernel study routes, security coaching visuals, and command reference cheat sheets, each linked to their original sources.

Command Cheat SheetLearning Pathfilesystem

0 likes · 7 min read

Comprehensive Linux Learning Roadmaps and Cheat Sheets

MaGe Linux Operations

Apr 27, 2019 · Operations

How to Expand an Unmounted 160 GB Disk with LVM Without Reboot

Learn step‑by‑step how to identify an unmounted 160 GB disk on a Linux server, create the necessary LVM partitions, extend the volume group and logical volume, and resize the filesystem—all without rebooting—using commands such as df, fdisk, pvcreate, vgextend, lvextend, and xfs_growfs.

LVMLinuxdisk expansion

0 likes · 5 min read

How to Expand an Unmounted 160 GB Disk with LVM Without Reboot

Test Development Learning Exchange

Mar 1, 2019 · Fundamentals

Common Python os and shutil Functions for File and Directory Operations

This guide outlines essential Python os and shutil functions for file and directory manipulation, covering path queries, creation, deletion, permission changes, environment variables, and common file opening modes, providing concise examples for each operation.

OS modulePythonfile operations

0 likes · 3 min read

Common Python os and shutil Functions for File and Directory Operations

360 Quality & Efficiency

Jan 23, 2019 · Fundamentals

Understanding the Linux Filesystem Hierarchy Standard (FHS)

This article explains the history, purpose, and structure of the Linux Filesystem Hierarchy Standard (FHS), detailing the classification of directories, their typical contents such as /, /usr, /var, and the distinctions between shareable, non‑shareable, immutable, and mutable directories, with practical examples.

Linuxdirectory structurefhs

0 likes · 9 min read

Understanding the Linux Filesystem Hierarchy Standard (FHS)

MaGe Linux Operations

Jan 7, 2019 · Fundamentals

Master Linux Basics: GNU, GPL, Distributions, Swap, GRUB, and More

This comprehensive guide introduces the GNU project and GPL license, outlines typical Linux distributions, explains Unix roots, swap partitions, GRUB bootloader, buffer vs cache, TCP three-way handshake, Linux directory hierarchy, hard and symbolic links, and RAID levels, providing essential Linux fundamentals for beginners.

GNUGPLLinux

0 likes · 11 min read

Master Linux Basics: GNU, GPL, Distributions, Swap, GRUB, and More

MaGe Linux Operations

Jan 5, 2019 · Fundamentals

Master Linux: Understanding Every Directory and Its Purpose

This guide explains the purpose and typical contents of each major Linux directory—from /bin and /sbin for essential binaries to /etc for configuration files, /proc for virtual system information, and /usr, /var, /home for user data and applications—providing a comprehensive overview for system administrators and developers.

LinuxSystem AdministrationUnix

0 likes · 17 min read

Master Linux: Understanding Every Directory and Its Purpose

MaGe Linux Operations

Dec 20, 2018 · Operations

Essential Linux Commands and Scripts for System Administration

A comprehensive cheat‑sheet of Linux system administration commands and scripts covering mounting Windows shares, monitoring HTTP concurrency, packet sniffing, log analysis, file system inspection, process metrics, boot sequence, link types, partition handling, user management, and networking utilities.

Linuxcommandsfilesystem

0 likes · 15 min read

Essential Linux Commands and Scripts for System Administration

MaGe Linux Operations

Aug 17, 2018 · Operations

Master Linux ACL Permissions: A Step‑by‑Step Guide to Secure File Access

This article explains Linux ACL permission management, covering the concepts, how to check and enable ACL support on partitions, and detailed commands for setting, viewing, masking, deleting, recursive, and default ACLs to securely control file and directory access for users and groups.

ACLAccess ControlLinux

0 likes · 8 min read

Master Linux ACL Permissions: A Step‑by‑Step Guide to Secure File Access

Efficient Ops

Jul 26, 2018 · Fundamentals

Understanding Linux EXT Filesystems: From EXT2 to EXT4 and Their Core Features

This article explores the evolution, architecture, and key features of Linux EXT filesystems—including Minix origins, EXT2, EXT3, and EXT4—detailing metadata structures, inode handling, fragmentation mitigation, journaling, and practical upgrade and maintenance considerations.

EXT4File System ArchitectureInode

0 likes · 20 min read

Understanding Linux EXT Filesystems: From EXT2 to EXT4 and Their Core Features

MaGe Linux Operations

Jul 25, 2018 · Fundamentals

Mastering XFS: Features, Installation, and Migration on Linux

This article explains the XFS file system’s key features such as data integrity, performance, scalability and bandwidth, and provides step‑by‑step instructions for downloading kernel patches, enabling XFS support, compiling the kernel, creating and mounting XFS partitions, and migrating existing Linux systems to XFS.

LinuxStorageXFS

0 likes · 8 min read

Mastering XFS: Features, Installation, and Migration on Linux

MaGe Linux Operations

Jul 19, 2018 · Fundamentals

Master Linux Basics: Choosing Distributions, Architecture, and Core Commands

This article provides a comprehensive overview of Linux fundamentals, covering how to select a distribution, the kernel and system architecture, essential filesystem hierarchy, common shell commands, and typical applications for both server and desktop environments.

LinuxShelldistribution

0 likes · 8 min read

Master Linux Basics: Choosing Distributions, Architecture, and Core Commands

MaGe Linux Operations

Jul 17, 2018 · Fundamentals

Unlocking Linux Essentials: From GNU/GPL to RAID and Filesystem Basics

This article introduces the fundamentals of Linux and open‑source software, covering GNU and GPL licensing, typical Linux distributions, Unix roots, swap partitions, GRUB bootloader, buffer vs cache, TCP three‑way handshake, filesystem hierarchy, hard/soft links, and an overview of RAID levels.

GNUGPLLinux

0 likes · 12 min read

Unlocking Linux Essentials: From GNU/GPL to RAID and Filesystem Basics

ITPUB

Jun 21, 2018 · Operations

How to Extend a Linux Disk with LVM Without Reboot

This guide walks through a real‑world case where a virtual machine shows only ~30 GB free while a hidden 160 GB disk is detected, and demonstrates step‑by‑step how to use LVM to add, partition, and resize the disk without restarting the system.

LVMLinuxdisk expansion

0 likes · 5 min read

How to Extend a Linux Disk with LVM Without Reboot

Liangxu Linux

Jun 16, 2018 · Fundamentals

Master Linux Filesystem: Essential Directories Every User Should Know

This guide explains how Linux manages storage as a single root hierarchy and details the purpose and typical contents of key directories such as /home, /bin, /dev, /etc, /usr, /var, and others, including quick commands to navigate to your home folder.

basicsdirectory structurefilesystem

0 likes · 6 min read

Master Linux Filesystem: Essential Directories Every User Should Know

MaGe Linux Operations

Jun 16, 2018 · Operations

How to Expand a Linux Disk with LVM Without Rebooting

Learn step-by-step how to attach an unmounted 160 GB disk to a Linux server and expand its LVM logical volume without rebooting, covering disk inspection, partitioning, PV creation, VG extension, LV resizing, and filesystem growth using df, fdisk, pvcreate, vgextend, lvextend, and xfs_growfs.

LVMLinuxcommand line

0 likes · 5 min read

How to Expand a Linux Disk with LVM Without Rebooting

MaGe Linux Operations

May 6, 2018 · Operations

6 Common Linux Ops Issues and How to Diagnose & Fix Them

Learn a systematic Linux troubleshooting workflow and detailed solutions for six typical operational problems—including filesystem corruption, disk space exhaustion, inode depletion, lingering deleted files, too‑many‑open‑files errors, and read‑only filesystem issues—complete with command‑line examples and step‑by‑step fixes.

LinuxShellSystem Administration

0 likes · 13 min read

6 Common Linux Ops Issues and How to Diagnose & Fix Them

MaGe Linux Operations

Feb 5, 2018 · Operations

6 Common Linux Ops Issues and How to Fix Them Quickly

This article presents a systematic troubleshooting workflow for Linux operations engineers, covering six typical problems—including filesystem corruption, disk‑space exhaustion, inode depletion, deleted files that still occupy space, too many open files, and read‑only filesystems—along with concrete commands and solutions to resolve each issue.

InodeLinuxdisk-space

0 likes · 13 min read

6 Common Linux Ops Issues and How to Fix Them Quickly

MaGe Linux Operations

Feb 1, 2018 · Operations

Master Linux Storage: Mount, Unmount, Auto-Mount, Partition & Format Commands

This guide explains essential Linux storage commands—including fdisk, df, du, mount, and umount—covers automatic mounting via /etc/fstab, details disk partitioning with fdisk, and demonstrates how to format partitions using mkfs, providing practical examples for each step.

LinuxMountingStorage

0 likes · 11 min read

Master Linux Storage: Mount, Unmount, Auto-Mount, Partition & Format Commands

MaGe Linux Operations

Jan 7, 2018 · Operations

How to Recover Accidentally Deleted Linux Upload Files with extundelete

After a sudden incident deleted files from /data/webapps/xxxx/upload without backup, this guide walks through installing extundelete, locating the deleted inode data, and using extundelete commands to recover as much of the lost data as possible, including tips on mounting read‑only.

Linuxdata recoveryextundelete

0 likes · 6 min read

How to Recover Accidentally Deleted Linux Upload Files with extundelete

Tencent Database Technology

Dec 27, 2017 · Fundamentals

Why ls Slows Down on Directories with Millions of Files and How to Speed It Up Using getdents

The article explains that the ls command becomes slow on directories containing millions of files because it repeatedly calls the getdents system call through readdir, and demonstrates how directly using getdents with a larger buffer can reduce the listing time from several seconds to under one second.

Linuxfilesystemgetdents

0 likes · 10 min read

Why ls Slows Down on Directories with Millions of Files and How to Speed It Up Using getdents

MaGe Linux Operations

Dec 24, 2017 · Fundamentals

Master Linux Essentials: GNU, GPL, Distributions, Swap, GRUB, and More

This article provides a comprehensive overview of core Linux concepts, including the GNU project and GPL license, common distributions, swap partitions, GRUB bootloader, buffer vs cache, TCP three-way handshake, filesystem hierarchy, hard and soft links, and RAID technology.

GNUGPLRAID

0 likes · 11 min read

Master Linux Essentials: GNU, GPL, Distributions, Swap, GRUB, and More

ITPUB

Dec 21, 2017 · Operations

Master Linux Troubleshooting: 6 Common Issues and How to Fix Them

Learn a systematic approach for Linux system administrators to diagnose and resolve six typical problems—including filesystem errors, 'argument list too long', inode exhaustion, undeleted file space, too many open files, and read‑only filesystem—using command‑line tools, log analysis, and practical fixes.

LinuxShell CommandsSystem Administration

0 likes · 15 min read

Master Linux Troubleshooting: 6 Common Issues and How to Fix Them

MaGe Linux Operations

Nov 28, 2017 · Fundamentals

Master Linux Basics: Choosing Distributions, Understanding Architecture & Filesystems

This article provides a comprehensive overview of Linux fundamentals, covering distribution choices, kernel architecture, core components, filesystem types, standard directory hierarchy, shell usage, and common applications for both server and desktop environments.

KernelShellfilesystem

0 likes · 8 min read

Master Linux Basics: Choosing Distributions, Understanding Architecture & Filesystems

ITPUB

Nov 25, 2017 · Fundamentals

Why Does Unix Have Multiple /bin Directories? The Historical Reason Explained

This article explains the historical evolution of Unix directory structures, detailing why directories like /bin, /usr/bin, /usr/local/bin, and /opt/bin exist and how early disk‑based designs shaped the layout we use today.

LinuxUnixdirectory structure

0 likes · 4 min read

Why Does Unix Have Multiple /bin Directories? The Historical Reason Explained

Tencent Database Technology

Nov 6, 2017 · Fundamentals

Deep Dive into the Linux rm Command: VFS, ext4 Unlink Process and I/O Impact

This article explains what happens inside the Linux kernel when the rm command deletes a file on an ext4 filesystem, analyzes the relevant VFS and ext4 source code, and demonstrates how large‑file deletions can degrade I/O performance of other applications.

EXT4LinuxVFS

0 likes · 12 min read

Deep Dive into the Linux rm Command: VFS, ext4 Unlink Process and I/O Impact

Practical DevOps Architecture

Sep 28, 2017 · Operations

How to Partition, Format, and Mount a New Data Disk on an ECS Instance (Linux)

This guide walks through the safe preparation, partitioning, formatting, and mounting of a newly purchased data disk on an ECS instance, including device name discovery, creating an ext3 filesystem, updating /etc/fstab, and verifying the mount, with all necessary Linux commands.

ECSLinuxMount

0 likes · 7 min read

How to Partition, Format, and Mount a New Data Disk on an ECS Instance (Linux)

MaGe Linux Operations

Sep 14, 2017 · Fundamentals

Unlock Linux Filesystem Secrets: A Complete Guide to Core Directories

This article compiles essential information about Linux’s core directories—/etc, /usr, /var, /proc, and /dev—detailing their purposes, typical contents, and how they fit into the overall filesystem hierarchy, complemented by illustrative diagrams for developers and administrators.

System Administrationdirectory structurefilesystem

0 likes · 3 min read

Unlock Linux Filesystem Secrets: A Complete Guide to Core Directories

ITPUB

May 29, 2017 · Operations

Why df and du Show Different Disk Usage on Linux and How to Fix It

This article explains why the Linux commands df and du often report different disk usage figures, detailing three main causes—reserved space, phantom (deleted) files, and data present before mounting—and provides concrete commands and steps to identify and resolve each discrepancy.

dfdisk usagedu

0 likes · 4 min read

Why df and du Show Different Disk Usage on Linux and How to Fix It

Meituan Technology Team

May 19, 2017 · Operations

Understanding Hard Disk Architecture and Performance Optimization

The article explains hard‑disk physical structure, how seek time, rotational latency and transfer rate determine IOPS and throughput, and describes Linux I/O stack optimizations—such as caching, scheduling, and append‑only or LSM‑tree designs—to mitigate random‑access bottlenecks and improve overall storage performance.

I/O performanceIOPSLinux

0 likes · 28 min read

Understanding Hard Disk Architecture and Performance Optimization

MaGe Linux Operations

Mar 22, 2017 · Databases

Boost MySQL Performance on Linux: CPU, Memory, and Filesystem Tuning Guide

This article outlines practical Linux‑based optimization techniques for MySQL, covering CPU power‑saving modes, NUMA and vm.swappiness settings, as well as mount options and I/O scheduler tweaks to maximize database throughput and stability.

CPUMemoryMySQL

0 likes · 9 min read

Boost MySQL Performance on Linux: CPU, Memory, and Filesystem Tuning Guide

ZhiKe AI

Feb 8, 2017 · Fundamentals

Understanding the Linux Directory Structure

This article lists the main top‑level directories in a typical Linux filesystem—such as bin, sbin, etc, usr, home, root, dev, lib, mnt, boot, tmp, and var—and explains the purpose of each directory.

LinuxSystem AdministrationUnix

0 likes · 2 min read

Understanding the Linux Directory Structure

ITPUB

Nov 8, 2016 · Fundamentals

Master Essential Linux Commands for Files and Directories

This guide explains Linux directory structures, absolute and relative paths, and provides detailed usage, options, and examples for common commands such as ls, cd, pwd, mkdir, rmdir, cp, rm, mv, and file‑viewing tools like cat, tac, nl, more, less, head, and tail.

File Viewingcommand linedirectory management

0 likes · 13 min read

Master Essential Linux Commands for Files and Directories

ITPUB

Sep 7, 2016 · Fundamentals

Why FatFs Returns FR_NO_FILESYSTEM on a Properly Formatted SD Card – MBR/DBR Insights

An embedded‑system developer discovers that FatFs reports FR_NO_FILESYSTEM on a correctly formatted SD card because the card’s partition information resides in the fourth MBR entry, which FatFs only checks in the first entry, and resolves the issue by re‑formatting with f_mkfs or upgrading to FatFs V0.10.

DBRFatFsMBR

0 likes · 12 min read

Why FatFs Returns FR_NO_FILESYSTEM on a Properly Formatted SD Card – MBR/DBR Insights

MaGe Linux Operations

Feb 29, 2016 · Operations

How to Recover Accidentally Deleted Linux Images with PhotoRec and EasyRecovery

This guide explains how a mistaken script moved and deleted Linux image files, then details step‑by‑step recovery using TestDisk/PhotoRec, the qphotorec GUI, and EasyRecovery, highlighting search strategies, common pitfalls, and results with restored filenames and metadata.

EasyRecoveryLinuxPhotoRec

0 likes · 4 min read

How to Recover Accidentally Deleted Linux Images with PhotoRec and EasyRecovery

21CTO

Sep 12, 2015 · Fundamentals

Unlocking RAID: How Different Levels Balance Speed, Redundancy, and Cost

This article provides a comprehensive overview of RAID technology, explaining its purpose, the various standard levels from RAID 0 to RAID 6, hybrid configurations, non‑standard implementations like DRFS, and both software and firmware/driver based deployment methods.

PerformanceRAIDStorage

0 likes · 13 min read

Unlocking RAID: How Different Levels Balance Speed, Redundancy, and Cost

MaGe Linux Operations

Jun 8, 2015 · Operations

Master Linux LVM: Create, Extend, Shrink, and Snapshot Volumes

This guide walks through creating Linux LVM physical volumes, volume groups, and logical volumes on four 1 GB disks, demonstrates formatting, mounting, extending, shrinking, and snapshotting volumes, and provides the necessary commands for managing and removing LVM components.

LVMLinuxStorage

0 likes · 11 min read

Master Linux LVM: Create, Extend, Shrink, and Snapshot Volumes

Qunar Tech Salon

Apr 22, 2015 · Operations

Optimizing Linux System for SSD Performance: Filesystem, I/O Scheduler, and Memory Settings

This guide details Linux OS tuning for SSDs, covering ext4 TRIM, noatime, I/O scheduler selection, write cache activation, swap and cache pressure adjustments, tmpfs temporary directories, and Firefox cache relocation to improve performance and longevity.

I/O schedulerLinuxSSD optimization

0 likes · 5 min read

Optimizing Linux System for SSD Performance: Filesystem, I/O Scheduler, and Memory Settings

MaGe Linux Operations

Dec 2, 2014 · Operations

How to Diagnose and Fix Disk‑Full, Read‑Only, and Inode Issues on Linux

This guide explains why Linux systems report "no space left on device" or read‑only file systems, shows how to inspect disk usage, inodes, and hardware health with commands like df, du, mount, smartctl, hddtemp, and provides step‑by‑step remediation techniques such as cleaning files, compressing logs, remounting, and repairing filesystems.

Linuxdisk-spacefilesystem

0 likes · 11 min read

How to Diagnose and Fix Disk‑Full, Read‑Only, and Inode Issues on Linux

MaGe Linux Operations

Nov 10, 2014 · Operations

How Ext3/Ext4 Online Resizing Works: Disk Layout and Meta Block Groups Explained

This article explains the disk layout of ext3 and ext4 filesystems, the mechanisms behind online resizing, and how meta block groups overcome the limitations of reserved descriptor blocks, providing a clear understanding for Linux system administrators.

EXT4Ext3filesystem

0 likes · 11 min read

How Ext3/Ext4 Online Resizing Works: Disk Layout and Meta Block Groups Explained

MaGe Linux Operations

Oct 11, 2014 · Operations

How to Create, Quota, and Expand an XFS Filesystem on RHEL/CentOS 7

This guide walks through creating an XFS filesystem on a new partition, configuring LVM physical, volume, and logical volumes, formatting with XFS, enabling user and group quotas, assigning quota limits, testing quota enforcement, and finally expanding the logical volume and growing the XFS filesystem.

QuotaXFSfilesystem

0 likes · 11 min read

How to Create, Quota, and Expand an XFS Filesystem on RHEL/CentOS 7

MaGe Linux Operations

Sep 10, 2014 · Fundamentals

Do File Count and Directory Depth Really Slow Down Disk I/O on Linux?

This article explains how Linux represents files and directories with inodes, how file and directory counts and nesting depth affect disk I/O during lookup, and shows how to monitor inode usage to determine performance thresholds.

InodeLinuxPerformance

0 likes · 7 min read

Do File Count and Directory Depth Really Slow Down Disk I/O on Linux?