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- Learn these Linux 'automations' to easily complete tasks
- When the web website of the Linux system is in operation, we often need to maintain the website, such as checking the remaining resources and responding, log segmentation, data sorting, performing specific tasks in specific states, etc., all of which require Linux to be automatically executed. certain tasks. This blog post introduces how to perform common Linux automation tasks. "Automation" of Linux Implementing "automation" has the following benefits: saving manpower, one script is enough. Automatic execution at night can avoid the peak traffic period of the website and does not affect the efficiency of the website during the day. It is accurate and will not go wrong if the settings are perfect. Of course, the most important thing is peace of mind, as you don’t have to type certain commands frequently. Booting up and booting up should be a very common need for us. I
- LINUX 963 2024-02-13 08:24:21
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- Installation and configuration guide for Java and JDK under Debian system
- In Debian systems, installing Java and JDK (Java Development Kit) is a relatively simple task, and this article will provide you with detailed steps and precautions to help you complete the installation smoothly. Install Java 1. Open Terminal: You can open the terminal by pressing the Ctrl+Alt+T key combination. 2. Update the package list: Enter the following command in the terminal and press Enter to execute: ```sqlsudoapt-getupdate``` 3. Install the Java Runtime Environment (JRE): Enter the following command in the terminal and press Enter Key execution: ```arduinosudoapt-getinstalldef
- LINUX 1173 2024-02-13 08:24:08
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- Configure DHCP server on RHEL 9 / Rocky Linux 9
- DHCP, or Dynamic Host Configuration Protocol, is a network protocol that automatically assigns IP addresses to client systems on a computer network. It assigns clients to the DHCP pool or IP address range specified in its configuration. While you can manually assign static IPs to client systems, a DHCP server simplifies the process and dynamically assigns IP addresses to client systems on your network. In this article, we will demonstrate how to install and configure a DHCP server on RHEL9/RockyLinux9. Prerequisites Pre-installed RHEL9 or RockyLinux9 A regular user with sudo administrator privileges A YUM/DNF repository or RedHat subscription service configured locally for RHEL9 can be accessed
- LINUX 1086 2024-02-13 08:15:13
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- How to install deepin linux into vm
- To install Deepin Linux on a virtual machine, you can follow the steps below: 1. Download the ISO image file of Deepin Linux. 2. Open your virtual machine software (such as VirtualBox, VMware, etc.) and create a new virtual machine. 3. During the process of creating a virtual machine, select the ISO image file of Deepin Linux as the installation medium, and allocate sufficient hard disk space and memory to the virtual machine. 4. Start the virtual machine and enter the Deepin Linux installation interface. 5. According to the prompts on the installation interface, select language, keyboard layout and other options, and then start the installation process. 6. After the installation is completed, restart the virtual machine and start using Deepin Linux. Deep linux installation if you want
- LINUX 1123 2024-02-13 08:09:09
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- Debian VNC installation and VNC Server configuration guide
- Debian, as a popular Linux distribution, is widely used in various servers and desktop environments. VNC (Virtual Network Computing) is a remote desktop control tool that allows users to remotely access and control another computer through the network. In Debian systems , we can easily install VNC and configure VNCServer to achieve remote desktop control. This article will detail the steps to install VNC and VNCServer in Debian systems. Install VNC1. Open the terminal and use the following command to update the package list: ```sqlsudoapt-getupdate```` 2. Install the VNC client: sudoa
- LINUX 661 2024-02-12 23:50:08
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- Solve errors that occur when installing GSL and GStreamer on CentOS
- When using the CentOS operating system, sometimes we need to install some additional software packages to meet specific needs. GSL (GNUS Scientific Library) and GStreamer are two common examples. During the installation of these software packages, you may encounter some errors. , this article will help you solve these problems. Solution to error when installing GSL If an error occurs when installing GSL, it may be due to the lack of relevant dependency packages or incorrect configuration. The following are some possible solutions: 1. Make sure that the necessary dependency packages have been installed. On CentOS, You can use the following command to install the dependency packages required by GSL: ```shellsudoyuminstallgc
- LINUX 964 2024-02-12 23:48:12
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- Diagnose your Linux system performance issues in 60 seconds
- Do you often find that your Linux system runs slowly or becomes abnormally stuck? If so, you don't have to worry too much, because it only takes 60 seconds to check the performance to find some problems and improve system efficiency. Overview: By executing the following commands, you can have a general understanding of system resource usage within 1 minute uptimedmesg|tailvmstat1mpstat-PALL1pidstat1iostat-xz1free-msar-nDEV1sar-nTCP,ETCP1top Some of these commands require the installation of the sysstat package, and some are provided by the procps package supply. The output of these commands helps quickly locate performance bottlenecks.
- LINUX 1198 2024-02-12 23:36:16
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- Detailed guide to Ruby installation and environment configuration on CentOS
- Here we provide you with a detailed guide on installing Ruby and its environment configuration on CentOS systems. Ruby is a powerful programming language with concise and easy-to-understand syntax and rich libraries, allowing developers to create efficiently Various applications, and CentOS, as a popular Linux distribution, has become the operating system of choice for many servers and developers due to its stability and reliability. Next, we will introduce in detail how to install Ruby on CentOS and perform Environment configuration. Installing Ruby Installing Ruby on CentOS can be done by using a package manager or compiling from source code. Here we recommend using the package manager because it is simpler and more convenient. Make sure your system
- LINUX 540 2024-02-12 23:36:08
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- Sed command: the amazing streaming text editor in Linux!
- The Sed command in Linux is a powerful streaming text editor that can process lines of text sequentially without modifying the original file. Whether you are a beginner or an advanced user, you will feel the powerful functions and convenience it brings when using Sed. In this article, we will introduce the Sed command to you and show you its various uses through simple examples. Example of text file changes using Sed Let's say you have a file called linuxidc.com.txt that contains the following lines: 1,linuxidc,Title639,Price5.903,linuxminihao,Title880,Price1.305,Jo
- LINUX 865 2024-02-12 23:20:15
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- CentOS installation Crond: teach you step by step to set up scheduled tasks
- In Linux systems, Crond is a commonly used scheduled task management tool. It can help us automatically execute some commands or scripts according to a preset schedule. This article will introduce in detail how to install and configure the Crond service in CentOS systems. . 1. Install Crond In the CentOS system, we can use the yum command to install the Crond service, open a terminal, and execute the following command as the root user: ```shellsudoyuminstallcronie``` After the installation is completed, the Crond service will start automatically. 2. The configuration file for configuring CrondCrond is located in /etc/crontab. We can use any file
- LINUX 1171 2024-02-12 23:12:18
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- CentOS installation Abaqus and CentOS installation partition tutorial
- LINUX is a powerful operating system that is widely used in various fields. In this article, we introduce how to install Abaqus on CentOS and how to set up partitions. These steps will help you get better engineering on CentOS. Emulation and operating system management experience. LINUX knowledge sharing In LINUX, you can use the "df" command to view disk space usage. Use the following command: df-h. This command will display the disk partition usage, including free space and used space.
- LINUX 547 2024-02-12 22:51:08
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- Online ads/page hijacking: In fact, DNS is 'polluted”!
- Since entering the Internet age, everyone's life has become more colorful, but it also has a lot more worries. For example, the large groups of garbage and abyss that appear from time to time in the ocean of information are hard to guard against. What I’m talking about here is when I encounter inexplicable web page jumps while surfing the Internet. A perfectly good web page suddenly turns into a screen full of advertisements; or a page that can be accessed normally suddenly cannot be opened, but QQ and the like The software can log in normally. What is the cause of this? In fact, the occurrence of these disturbing anomalies means that you may be a victim of DNS hijacking and poisoning. What exactly is DNS? Although we often surf the Internet, not everyone understands the mechanism behind opening a web page. With a click of the mouse, the web page will appear
- LINUX 959 2024-02-12 22:48:17
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- Xiaosi LINUX shares: Detailed guide to installing dual systems on Tongxin UOS system
- Today I would like to share with you a practical guide on installing dual systems on the Tongxin UOS system. Dual systems allow you to run two different operating systems on the same computer at the same time. This is useful for those who need to use different operating systems or specific software at the same time. It is very practical for users. We will introduce in detail how to install dual systems on the Tongxin UOS system. Preparation 1. Make sure your computer has enough hard drive space to install the second operating system, you need at least 10GB of free space. 2. Back up your important data. Before installing dual systems, please make sure you have backed up all important data to prevent data loss in the event of data loss. Installation steps 1. Download the required operating system image file. You can download all the required operating system image files from the official website or other reliable sources.
- LINUX 1159 2024-02-12 22:42:27
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- How to run sudo command without entering password in Linux
- Assuming you are running Linux on a computer that you only use, such as a laptop, having to enter your password every time you call sudo can become tedious in the long run. Therefore, in this guide, we will describe how to configure the sudo command to run without entering a password. This setting is done in the /etc/sudoers file, which is the default security policy for using the sudo command; in the user permissions specification section. Important: In sudeors files, the authenticate parameter, which is turned on by default, is used for verification purposes. If it is set, the user must authenticate with a password (or other authentication method) before they can run commands with sudo. However, it is possible to use NOPAS
- LINUX 1164 2024-02-12 22:33:12
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- A powerful tool for troubleshooting memory problems under Linux
- 1. Memory Leak Memory leak (MemoryLeak) means that the dynamically allocated heap memory in the program is not released or cannot be released by the program for some reason, resulting in a waste of system memory, leading to serious consequences such as slowed down program running or even system crash. Characteristics: Concealment: Memory leaks occur because memory blocks are not released, which is an omission defect rather than a fault defect. Cumulative memory leaks usually do not directly produce observable error symptoms, but gradually accumulate, reducing the overall performance of the system. In extreme cases, the system may crash. The most intuitive question is why our program starts running normally and then exits abnormally after a while. Memory leaks do not refer to the physical disappearance of memory, but rather to the fact that after the application allocates a certain amount of memory, due to incorrect use,
- LINUX 1049 2024-02-12 22:20:14
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