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Use ddrescue to recover data on Linux

Use ddrescue to recover data on Linux

DDREASE is a tool for recovering data from file or block devices such as hard drives, SSDs, RAM disks, CDs, DVDs and USB storage devices. It copies data from one block device to another, leaving corrupted data blocks behind and moving only good data blocks. ddreasue is a powerful recovery tool that is fully automated as it does not require any interference during recovery operations. Additionally, thanks to the ddasue map file, it can be stopped and resumed at any time. Other key features of DDREASE are as follows: It does not overwrite recovered data but fills the gaps in case of iterative recovery. However, it can be truncated if the tool is instructed to do so explicitly. Recover data from multiple files or blocks to a single

Mar 20, 2024 pm 01:37 PM
数据 工具 回复
Download the installation path introduction format of nodejsLinux version

Download the installation path introduction format of nodejsLinux version

1. Download the nodejs Linux version. Note that this tutorial is in .tar.xz format. 2. Upload to the Linux-related path, usually /usr/local/, and execute the following command xz-dnode-xxxx.tar.xz---decompress tar.xz into a tar file tar-xvfnode-xxxx.tar-- -Extract the tar file into the folder mvnode-xxxnodejs----How to install linux by changing the name of the folder to nodejs [Check whether the installation is successful and execute node-v in the bin directory] 3. Configure soft connections to make the global You can use the node command ln-s/usr/loc

Mar 20, 2024 pm 12:43 PM
下载
Automount drives on Linux

Automount drives on Linux

If you are using a Linux operating system and want the system to automatically mount the drive on boot, you can do this by adding the device's unique identifier (UID) and mount point path to the fstab configuration file. fstab is a file system table file located in the /etc directory. It contains information about the file systems that need to be mounted when the system starts. By editing the fstab file, you can ensure that the required drives are loaded correctly every time the system starts, thus ensuring stable system operation. Automatically mounting drivers can be conveniently used in a variety of situations. For example, I plan to back up my system to an external storage device. To achieve automation, ensure that the device remains connected to the system, even at startup. Likewise, many applications will directly

Mar 20, 2024 am 11:30 AM
linux 自动 驱动器 linux操作系统
Reasons and solutions for failure to start SSH service on Linux

Reasons and solutions for failure to start SSH service on Linux

Reasons and solutions for Linux failure to start SSH service When using the Linux operating system, the SSH service is very important. It allows users to remotely log in to the Linux system through the network and perform operations. However, sometimes we may encounter failure to start the SSH service, which may be caused by various reasons. This article will explore some possible causes and solutions, and provide code examples for readers to refer to. 1. Possible reasons: OpenSSH service is not installed. Sometimes the system may not have Op installed by default.

Mar 20, 2024 am 09:27 AM
linux ssh 启动 linux操作系统
What are apt-get and ppa sources? Differences from apt-get sources

What are apt-get and ppa sources? Differences from apt-get sources

I am a novice coder in the Windows camp. Both the server and the client use Windows. I recently installed Ubuntu16.04LTS on a virtual machine. I feel that it is not easy to play, so I will record it first. When learning new things, novices like to make analogies and compare new knowledge with previously understood concepts. It is possible to understand the meaning of some more concrete and obscure concepts through comparison. This time it is because you need to install and configure pycharm, so by the way, I will record some understandings in the process of configuring Ubuntu16.04LTS environment variables. The first step is to configure the jdk environment. Pycharm is one of the products of jetbrains. The company's other products include websto

Mar 19, 2024 pm 08:46 PM
apt-get ppa源 迅雷
A simple way to compare two text files under Linux

A simple way to compare two text files under Linux

Title: A simple way to compare two text files in Linux In our daily work and study, we often encounter situations where we need to compare two text files. In Linux systems, there are many simple methods that can help us compare the contents of two text files quickly and accurately. This article will introduce several commonly used methods of comparing text files, with specific code examples. 1. Use the diff command. The diff command is one of the most commonly used text file comparison tools. It can be used to compare the differences between two files and display them in line form.

Mar 18, 2024 am 08:39 AM
linux工具 比较文本文件 文本差异
Python-mode: Vim plugin for developing Python applications in the Vim editor

Python-mode: Vim plugin for developing Python applications in the Vim editor

Python-mode is a Vim plug-in that enables you to write Python code faster in the Vim editor using various libraries including pylint, rope, pydoc, pyflakes, pep8, autopep8, pep257 and mccable. These libraries Provides some coding functions, such as static analysis, feature reconstruction, folding, completion and documentation, etc. Recommended reading: How to use the Bash-Support plug-in to turn the Vim editor into an IDE for writing Bash scripts. This plug-in includes all the features you can use to develop Python applications in the Vim editor. The characteristics of Python-mode include the following values

Mar 17, 2024 pm 09:10 PM
linux linux系统 红帽 linux命令 linux认证 红帽linux linux教程 linux视频
How to find the storage path of RPM files in Linux system?

How to find the storage path of RPM files in Linux system?

In Linux systems, RPM (RedHatPackageManager) is a common software package management tool used to install, upgrade and delete software packages. Sometimes we need to find the storage path of an installed RPM file for search or other operations. The following will introduce how to find the storage path of the RPM file in the Linux system, and provide specific code examples. First, we can use the rpm command to find the installed RPM package and its storage path. Open

Mar 14, 2024 pm 04:42 PM
linux rpm 路径
Introduction to Linux Gem: Interpretation of the functions and uses of Linux Gem

Introduction to Linux Gem: Interpretation of the functions and uses of Linux Gem

Introduction to LinuxGem: To interpret the functions and uses of LinuxGem, specific code examples are required. LinuxGem is a full-stack development environment tool that runs on the Linux system. It integrates many commonly used development tools and services and provides developers with a convenient development environment. Through LinuxGem, developers can quickly build a working environment containing various development tools, thereby improving development efficiency. 1. Functions and uses Code editing: LinuxGem integrates a variety of code editing

Mar 14, 2024 pm 02:42 PM
功能 linux gem
How to enable Remote Desktop Connection on a Windows 10 computer? Tutorial is coming

How to enable Remote Desktop Connection on a Windows 10 computer? Tutorial is coming

1. Application Scenario You are a college student with a laptop in your dormitory. During normal classes, you think it is too inconvenient to bring your laptop to your dormitory, so you often only bring your iPad to your dormitory. But you want your iPad to be connected to your dormitory laptop? alright. Or, you are a social worker and sometimes want to connect your laptop at work to your desktop at home. Or, you only take your mobile phone with you and need to operate your laptop at home when you have something to do. If you have needs similar to the above, this article can help you use remote desktop to connect to a laptop in the LAN using almost any device (mobile phone, tablet, computer) anywhere there is an Internet connection. 2. What needs to be planned? When I wrote this article, I assumed that I was dealing with a freshman majoring in computer science.

Mar 12, 2024 am 08:20 AM
远程桌面连接 linux操作系统
OneinStack quickly deploys PHP applications

OneinStack quickly deploys PHP applications

OneinStack quickly deploys PHP applications and requires specific code examples. With the continuous development of the Internet, more and more people are paying attention to how to quickly deploy PHP applications. As an automated deployment tool, OneinStack can help users quickly set up a PHP environment and deploy applications. This article will introduce the basic usage of OneinStack and give specific code examples to help readers understand how to use OneinStack for PHP application deployment. 1. OneinStac

Mar 11, 2024 am 10:03 AM
php 部署 快速
Task scheduling under Linux is divided into two types of user crontab services

Task scheduling under Linux is divided into two types of user crontab services

First give the order: 1. Command format: crontab[-user]filecrontab[-user][-e|-l|-r]2. Command function: Through the crontab command, we can execute specified system instructions or shellscript scripts at fixed intervals. The unit of time interval can be minutes, hours, days, months, weeks, or any combination of above. This command is especially suitable for periodic log analysis or data backup. 3. Command parameters: -user: used to set the crontab service of a certain user. For example, "-uixdba" means setting the crontab service of the ixdba user. This parameter is usually run by the root user.

Mar 11, 2024 am 08:00 AM
linux 任务调度 linux操作系统
What are the regulations for user groups in Linux systems?

What are the regulations for user groups in Linux systems?

1 User management 1.1 useradd Basic sentence pattern for adding a user: useradd username (Function description: Add new user) Case: [root@lagou~]#useraddhadoop1.2 passwd Set user password Basic sentence pattern: passwd username (Function description: Set user Password) Case: 1.3id determines whether the user exists. Basic sentence pattern: id Username Case: 1.4su Basic sentence pattern for switching users: Case: [root@lagou~]#suhadoop[root@lagou~]#su-hadoop1.5userdel delete Basic sentence pattern for deleting a user: userdel username (Function description: Delete the user but keep it

Mar 08, 2024 am 09:43 AM
Linux Tips: Cancel automatic indentation when pasting in vim

Linux Tips: Cancel automatic indentation when pasting in vim

Preface: vim is a powerful text editing tool, which is very popular on Linux. Recently, I encountered a strange problem when using vim on another server: when I copied and pasted a locally written script into a blank file on the server, automatic indentation occurred. To use a simple example, the script I wrote locally is as follows: aaabbbcccddd. When I copy the above content and paste it into a blank file on the server, what I get is: aabbbcccddd. Obviously, this is what vim does automatically for us. Format indentation. However, this automatic is a bit unintelligent. Record the solution here. Solution: Set the .vimrc configuration file in our home directory, new

Mar 07, 2024 am 08:30 AM
自动 vim 缩进

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