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- DEBIAN installation cost and debian installation details
- Before installing the DEBIAN system, we need to understand the installation cost and installation process. This article will introduce the installation steps, precautions and installation cost of the DEBIAN system in detail to help you easily solve problems encountered during the installation process. DEBIAN installation cost The installation cost of the DEBIAN system mainly depends on your hardware configuration and network environment. If you use your own computer for installation, the cost is relatively low, mainly including the following aspects: 1. Hardware cost: You need to own a For computers that support the DEBIAN system, the higher the hardware configuration, the higher the cost. 2. Software cost: The DEBIAN system itself is free and open source software, but you may need to purchase some commercial software to meet specific needs. 3
- LINUX 543 2024-02-12 14:39:04
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- How to detect and solve memory leaks under Linux
- A memory leak refers to the phenomenon that a program applies for memory space but does not release it in time during the running process, causing more and more memory to be occupied, and even causing the system to crash. Memory leak is a common software defect, and it is also a problem that cannot be ignored for Linux systems. So, how to find and fix memory leaks under Linux? What tools can help us detect and analyze memory leaks? This article will introduce you to several commonly used memory leak tools under Linux, allowing you to better manage and optimize memory resources under Linux. Memory leaks can be divided into the following categories: 1. Frequent memory leaks. Code with memory leaks will be executed multiple times, causing a memory leak every time it is executed. 2. I
- LINUX 874 2024-02-12 14:30:17
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- 12 useful df commands to check disk space in linux
- 1. Check the file system disk space usage. This df command displays the device name, total number of blocks, total disk space, used disk space, free disk space and mount point information on the file system. [root@local~]#dfFilesystem1K-blocksUsedAvailableUse%Mountedon/dev/cciss/c0d0p278361192231858405113058832%//dev/cciss/c0d0p52479738022273432124397295%/home/dev/cciss/c0d0 p3297535882550379
- LINUX 1287 2024-02-12 14:30:10
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- Where is the directory where Deepin Linux software is installed and where is the directory where Deepin Linux software is installed?
- Preface In the LINUX system, the software installation directory has certain rules to follow, but different LINUX distributions may have some subtle differences. This article will take Deepin LINUX as an example to introduce the directory of Deepin LINUX software installation and Deepin LINUX Where is the directory where the software is installed? Deepin LINUX software installation directory Deepin LINUX software installation directory is mainly concentrated in the /usr/local/ directory, where the /usr/local/bin/ directory is used to store executable files, and the /usr/local/lib/ directory is used to store Library files, the /usr/local/share/ directory is used to store shared files, etc. Some software will also install files in other directories.
- LINUX 1201 2024-02-12 14:24:04
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- Teach you how to set up automatic daily backup of Oracle database under Linux
- Oracle Database is the most commonly used relational database management system in enterprise-level applications. Since data is critical to a business, it is very important to back up your Oracle database regularly. On Linux systems, you can use a variety of backup tools to back up and restore Oracle databases. This article will introduce you to the method of backing up Oracle database on Linux system, allowing you to easily protect the security of enterprise data. This article takes the CentOS7.6 system and Oracle11g as examples to teach you how to set up automatic daily backup of the Oracle database under Linux. 1. First find the environment variables of the database. If it is under the root account, you must first log in to the account suora where the database is located.
- LINUX 1445 2024-02-12 14:18:09
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- Exploring the mysterious world of background operations in Linux
- Let us explore a mysterious world in the Linux operating system - background running. In daily use, we often need to use background running to let tasks execute silently in the background without affecting our current work. So, how to implement background operation in Linux? When thinking about it, you must first consider a question. Why does the background program exit when you directly close the terminal? That is because when you close the terminal directly, the terminal will send a SIGHUP signal to the background tasks started in the current environment, causing the running program to hang. Then just ignore the SIGHUP. The most commonly used command for nohup is [nohup]. From the name, you can tell whether to suspend the running command, close the terminal or log out of an account, and the process will continue to run. At the same time,
- LINUX 1391 2024-02-12 14:06:22
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- CentOS installation Chinese version and CentOS installation Chinese language pack
- CentOS is an operating system based on Linux. It is open source, free, and widely used in servers and personal computers. CentOS uses English language by default, but for some non-English users, using their native language can improve operational efficiency and User experience, this article will introduce how to install Chinese and Chinese language packs on CentOS. What is Sinicization? Chineseization is the process of translating the software or operating system interface into Chinese. Through Chineseization, users can understand and operate the software more conveniently and improve usage efficiency. Installing Chineseization and Chinese language packs on CentOS can change the user interface into Chinese, making it more convenient for Chinese users. User use. How to install Chinese and Chinese language packs. The following is how to install Chinese and Chinese language packs on CentOS.
- LINUX 1047 2024-02-12 14:03:17
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- Solution to reinstall after restarting Centos after installation
- When using Centos for installation, sometimes you will encounter the problem of needing to reinstall after restarting the system after the installation is completed. This problem may be caused by some system configuration or setting errors. This article will provide you with a solution to solve it. this problem. Centos installation and restart During the installation and restart process of Centos, we need to pay attention to some key steps. We need to ensure that the installation source and version of Centos are correctly selected. We need to follow the prompts to partition and set relevant parameters. After the installation is completed, the system Will ask for a restart. Problems that require reinstallation after Centos installation. Sometimes, after restarting the system, we may find that the previous installation process has been reset and needs to be reinstalled. This
- LINUX 1129 2024-02-12 13:48:05
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- Detailed explanation of Linux device model (6)_Bus
- 1. Overview In the Linux device model, Bus is a special type of device. It is a channel that connects the processor and other devices. In order to facilitate the implementation of the device model, the kernel stipulates that each device in the system must be connected to a Bus. This Bus can be an internal Bus, a virtual Bus, or a PlatformBus. The kernel abstracts the Bus through the structure structbus_type, which is defined in include/linux/device.h. This article will focus on this structure to describe the functions of Bus in the Linux kernel and the related implementation logic. Finally, we will briefly introduce some standard Bus (such as P
- LINUX 1051 2024-02-12 13:42:13
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- DeepDive installation guide on CentOS and Windows
- DeepDive is a powerful data science platform that can help users extract valuable information from massive data. In this article, we will introduce you in detail how to install DeepDive on CentOS and Windows. We hope that by sharing this article, you can Help you better use DeepDive for data science research and practice. DeepDive installation on CentOS 1. Install dependency packages You need to ensure that your CentOS system has installed the necessary dependency packages. You can install these dependency packages through the following command: ````shellsudoyuminstall-ygcc-c++python-develpostgresql
- LINUX 879 2024-02-12 13:42:05
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- CentOS installation UnixODBC and CentOS installation method
- Installing UnixODBC on CentOS operating system can help us connect and manage various databases, including MySQL, PostgreSQL, Oracle, etc. This article will introduce in detail how to install UnixODBC on CentOS and provide some common installation methods. UnixODBC is an open source ODBC driver manager that provides a unified interface to connect and manage different databases. Here are the steps to install UnixODBC on CentOS: Before installing any software, we should always ensure that our system is up to date Yes, you can use the following command to update the CentOS system: ```sudoyumupdate Execute the following command to install
- LINUX 648 2024-02-12 13:20:15
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- Linux file permission settings: symbolic representation VS numerical representation, which one do you prefer?
- File permission settings are very critical, directly affecting the rights to access, modify, and execute files. Here I will introduce to you two different setting methods as well as my personal experience and opinions on how to set permissions on files in Linux. I hope I can give you some suggestions for your reference. Allow us to start with a warm review of the basics of Linux file permissions. Every file has three basic permissions: read (r), write (w) and execute (x). These permissions can be assigned appropriately to the owner, group and remaining users. Allow me to give you a brief introduction to symbolic notation. When using this method, we need to remember: "r" means read-only, "w" means writable, and "x" means it has execute permission. Besides that, we
- LINUX 1250 2024-02-12 13:15:27
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- Make your Linux file management easier - upgrade to exa tool
- In Linux systems, file management is a very important operation, but the traditional ls command cannot meet the user's needs for file list display. At this time, a more powerful and easy-to-use tool is needed. Today, we will introduce a tool called exa, which can make your Linux file management simpler and more efficient. Introduction to the exa command exa is a command line tool that can list directories and files in the specified path (if not specified, the current directory). This may sound familiar because that's what the ls command does. exa is seen as a modern replacement for the ancient ls command from the old days of UNIX. As claimed, it has more features and better default behavior than the ls command
- LINUX 701 2024-02-12 13:09:13
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- Examples to explain the creation of hard links and soft links in Linux systems
- There are two types of Linux links, one is called a hard link and the other is called a symbolic link. By default, the ln command generates hard links. The difference between hard links and soft links fundamentally starts with the inode node. The following are examples of creating hard links and soft links in Linux systems to see the differences between the two types of links in Linux. First of all, we must understand that in the Linux system, the kernel allocates an Inode (index node) to each newly created file, and each file has a unique inode number. File attributes are stored in the index node. When accessing the file, the index node is copied to the memory, thereby achieving fast access to the file. A link is a
- LINUX 701 2024-02-12 12:48:27
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- With one machine in hand, Linux commands are worry-free - master the skills of using multiple commands in the terminal
- As Linux users, we often need to execute multiple commands at the same time in the terminal to improve efficiency and convenience. For beginners, however, the process can be very tedious and confusing. Today, we will introduce you to some techniques for using multiple commands in the Linux terminal, so that you can handle various tasks easily and happily. Running two or more commands in one line can save a lot of time and increase efficiency in Linux. In Linux, there are three ways to run multiple commands in one line:;Command1;Command2 first runs Command1, then runs Command2&&Command1&&Command2. When Command1 runs successfully and ends, then
- LINUX 675 2024-02-12 12:40:18
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