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- (shusheng007) Do you know Linux file permissions and chmod command?
- From: shusheng007 The article first appeared in Overview When I first came into contact with Linux, I followed the online tutorial to install Tomcat on the server. I always heard the sudo command. I didn’t know what it was. I just copied and pasted it, and finally installed it. It worked. The sad thing is that I logged in with the root account, and I also used sudo? Knowledge is such a common Linux command. In fact, a problem may seem like a piece of rubbish to a veteran, but it is a big mountain for a beginner. Here I will briefly talk about my understanding of this command. It is all a study note. In fact, it is not Hope it can help other peers in need. SUDO usage background The full name of Sudo is: superuserdo. As the name suggests: Be a super user
- LINUX . ssh 1456 2024-03-22 08:11:36
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- How to use cloud server
- To use a cloud server, you need to follow the following steps: select a reliable cloud service provider, register an account and purchase the required instance, configure the security group and network, connect to the server, configure the server environment, regularly manage and monitor the server, and optimize performance and cost.
- Common Problem . ssh 1593 2024-03-21 10:14:21
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- Best Practice Guidelines for Where to Store Linux User Passwords
- Best Practice Guide for Storage Location of Linux User Passwords In Linux systems, the storage of user passwords is a crucial security measure. This article will introduce some best practices for storing user passwords in Linux systems to ensure password security, and provide specific code examples for reference. 1. Use encryption algorithms to store passwords. Linux systems usually use encryption algorithms to store user passwords to ensure the security of passwords during storage and transmission. Common encryption algorithms include MD5, SHA-256
- Linux Operation and Maintenance . ssh 1446 2024-03-21 08:03:03
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- How to efficiently transfer files between directories using rsync in Linux
- Rsync is a command line utility known for its data synchronization features in Linux. You can use it to synchronize files on the same or different systems. Additionally, it offers file compression, encryption, selective synchronization, and more, making it superior to other tools. It can compare the source and target directories so that only newly added and updated files are transferred from the source directory. All these features help reduce waiting time and increase productivity. However, many Linux users are unfamiliar with rsync's capabilities and do not understand its advantages in efficient file transfer. This article will briefly introduce how to use rsync to efficiently transfer files between directories in a Linux system. How to use Rsync to move between directories in Linux
- Computer Knowledge . ssh 908 2024-03-20 18:26:06
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- How to use LSOF to monitor ports in real time
- LSOF (ListOpenFiles) is a command line tool mainly used to monitor system resources similar to Linux/Unix operating systems. Through the LSOF command, users can get detailed information about the active files in the system and the processes that are accessing these files. LSOF can help users identify the processes currently occupying file resources, thereby better managing system resources and troubleshooting possible problems. LSOF is powerful and flexible, and can help system administrators quickly locate file-related problems, such as file leaks, unclosed file descriptors, etc. Via LSOF Command The LSOF command line tool allows system administrators and developers to: Determine which processes are currently using a specific file or port, in the event of a port conflict
- Computer Knowledge . ssh 1340 2024-03-20 14:07:09
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- How to fix UFW status showing as inactive in Linux
- UFW, also known as Uncomplex Firewall, is adopted by many Linux distributions as their firewall system. UFW is designed to make it easy for novice users to manage firewall settings through both the command line interface and the graphical user interface. A UFW firewall is a system that monitors network traffic according to set rules to protect the network from network sniffing and other attacks. If you have UFW installed on your Linux system but its status shows as inactive, there could be several reasons. In this guide, I will share how to resolve the UFW firewall inactive issue on Linux systems. Why UFW Shows Inactive Status on Linux Why UFW Is Inactive by Default on Linux How to Inactive on Linux
- Computer Knowledge . ssh 1640 2024-03-20 13:50:09
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- Steps to solve the problem of failure to start SSH service in Linux
- Starting the SSH service is a very common operation in Linux systems. You can log in to the server remotely for management and operation. However, sometimes you may encounter a failure to start the SSH service, which may be due to configuration file errors, service not being installed, port being occupied, etc. This article will introduce the specific steps to solve the failure to start the SSH service on Linux, including possible problems and corresponding solutions, and provide specific code examples to help readers solve the problem. Step 1: Check SSH service status before starting SSH service
- LINUX . ssh 848 2024-03-20 12:21:03
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- Linux backup tool recommendations and comparisons
- Recommendation and comparison of Linux backup tools In daily work, data backup is a crucial operation. Both individual users and enterprise-level users need to back up important data to prevent accidental data loss. Under Linux systems, there are many backup tools to choose from, each with its own characteristics and applicable scenarios. This article will introduce several commonly used Linux backup tools, compare and recommend them. rsyncrsync is a powerful file synchronization tool that can be used locally or via SSH protocol.
- LINUX . ssh 804 2024-03-20 09:39:04
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- 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.
- LINUX . ssh 737 2024-03-20 09:27:04
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- Analysis of common problems when Linux SSH service fails to start
- Analysis of common problems when Linux SSH service fails to start. In Linux systems, the SSH (SecureShell) service is a commonly used remote management tool that can achieve secure remote access and management. However, sometimes you encounter various problems when starting the SSH service. This article will analyze common SSH service startup failures and provide corresponding solutions, as well as specific code examples. 1. The SSH service is not installed. If the SSH service is not installed in the system, it will naturally not start.
- LINUX . ssh 1416 2024-03-19 17:48:04
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- How to deal with the failure to start the SSH service in Linux systems
- In Linux systems, the SSH (SecureShell) service is a very important tool for remotely connecting to the server and performing management operations. But sometimes, we may encounter a situation where the SSH service fails to start, which may result in the inability to connect to the server remotely. In this case, we need to take some measures to solve the problem. This article will introduce how to handle the failure to start the SSH service in Linux systems, and provide some specific code examples to help you solve this problem. 1. Confirm
- LINUX . ssh 854 2024-03-19 12:15:03
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- Troubleshooting and Repair Guide for Linux SSH Service Failure to Start
- Guide to troubleshooting and repairing LinuxSSH service startup failure When using a Linux system, the SSH service is a very common service that allows users to remotely log in to the Linux server for management and operation. However, sometimes a startup failure occurs when starting the SSH service, which may prevent users from logging in to the server remotely. This article will introduce some common causes and corresponding solutions to help you troubleshoot and fix the problem of SSH service startup failure. Confirm whether the SSH service is installed. First, confirm
- LINUX . ssh 1170 2024-03-19 11:09:03
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- Explore the development history of Linux Fuse technology
- The Rise and Development of LinuxFuse Technology With the continuous development of computer technology, the operating system, as one of the core software of computer systems, is also constantly undergoing research and application of cutting-edge technologies. As a free and open source operating system, the Linux operating system provides developers with rich scalability and customization. In Linux systems, Fuse (Filesystem in Userspace) technology is a breakthrough innovation, which allows developers to implement
- Linux Operation and Maintenance . ssh 1214 2024-03-18 09:12:04
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- Several steps and precautions to follow when connecting a virtual machine to Xshell
- ###Answer 1: To connect to a virtual machine, you need to install the SSH service in the virtual machine and set up the network connection. After that, create a new session in Xshell, select the SSH contract, enter the IP address of the virtual machine and the SSH port number linuxfind to connect to the virtual machine. If you need to use a username and password for authentication, you can enter the corresponding information in the session settings. ###Answer 2: The following steps must be followed to connect a virtual machine to Xshell: 1. First, ensure that the virtual machine and the host laptop are in the same network environment and can communicate with each other. 2. Set the network type in the virtual machine to bridge mode or NAT mode. If you choose the bridge mode linux command, virtual
- LINUX . ssh 1037 2024-03-17 10:49:05
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- What is Linux Deploy? Detailed explanation and usage guide
- Title: LinuxDeploy: All-in-one deployment solution LinuxDeploy is a powerful open source tool designed to simplify Linux virtualization and cloud computing operations. It allows users to create and manage Linux systems on mobile phones or tablets, and supports a variety of Linux distributions, such as Ubuntu, Debian, ArchLinux, etc. This article will introduce the functions and usage of LinuxDeploy in detail, and provide specific usage guides and code examples.
- Linux Operation and Maintenance . ssh 1054 2024-03-15 10:54:04
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