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- Linux schedules automatic deletion of files in a directory at regular intervals
- To achieve scheduled deletion of all files in a directory, you need to use the Linux crontab command, which can be achieved with a shell script. For example, to delete all cache files under /tmp, the operation is as follows: [root@localhost~]#vi/etc/init.d/delete.sh Press i and copy the following content to the delete.sh file, then press shift+: enter wq Save and exit. #!/bin/bashdir=/tmp//The directory name to be cleared files=`ls${dir}`forfilein$filesdoif[-e${dir}/${file}];thenrm-f${
- LINUX . vim 824 2024-07-23 09:50:25
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- How to solve the problem that Chrome cannot translate this webpage
- Google Chrome is an easy-to-use browsing software with powerful functions and a built-in translation function, which makes it convenient for users to browse foreign language pages. However, recently some users have reported that the built-in translation function cannot be used. They don’t know what’s going on. In response to this problem, this article brings a detailed solution to share with everyone, let’s take a look. How to solve the problem that Chrome cannot translate this web page? Method 1: Install a third-party translation plug-in for the Chrome browser (such as Tencent Translate, etc., you can search for which translation plug-in is better), search for the relevant plug-in in the Chrome browser's app store, and then install it. Method 2: Modify the computer’s hosts file (highly recommended) Go
- Computer Software . vim 660 2024-07-22 12:13:13
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- Free Programming Cheat Sheets Collection
- In the world of programming, cheat sheets are every developer's secret weapon. Whether you're a beginner or an experienced programmer, these cheat sheets help you quickly find the information you need and boost your productivity. Today, we've put tog
- Python Tutorial . vim 1184 2024-07-19 11:59:50
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- How to connect a VMware virtual machine to the Internet. Detailed operations for setting up a virtual machine to access the Internet.
- Vmware is a very easy-to-use virtual machine software that allows users to run different operating systems on a single desktop at the same time. Recently, some users have downloaded and installed the Vmware virtual machine and do not know how to set up the Internet. So how do the VMware virtual machines connect to the Internet? Let’s take a look at the detailed operation tutorial below. The specific operations are as follows: 1. Ensure that Linux and the virtual machine are on the same network segment. Win+r enters cmd mode, enter the command ipconfig/all to view the local IP. Enter the virtual machine command terminal and enter the command ifconfig to check the virtual machine IP. The Linux network segment must also be between the 192.168.0.1 network segment. 2. Check the default configuration of the virtual machine network card. Change to directory: cd
- Computer Software . vim 761 2024-07-19 01:19:21
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- How to adjust the maximum number of socket connection limits for web servers and cache servers under high concurrency
- Web server and cache server, under high concurrency, adjust the limit of the maximum number of socket connections: 1. Change the limit of the maximum number of files that a user process can open. Effective immediately: ulimit-nxxx takes permanent effect: echo "ulimit-HSn65536">>/etc/rc.localecho "ulimit-HSn65536">>/root/.bash_profileulimit-HSn655362, changes the limit of the maximum number of TCP connections by the network kernel. /etc/sysctl.conf 1. On the Linux platform,
- LINUX . vim 370 2024-07-18 18:44:23
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- The master teaches you how to display the number of lines in vim editor
- Often when using vi to edit a file under Linux, basically no line number is displayed. Sometimes the file must be transferred to the local computer and modified with a powerful editor. Here I will share a small command. When you edit a certain configuration When entering a file, enter the following command to display the number of lines. Applicable to any linux open source system. Setnusetnumber takes permanent effect; #vi~/.vimrc//Or directly enter and add the following command setnu to save and exit after adding! In this way, you don’t have to enter the command to check the line number every time. The above two methods can set the line number for vi. If you want to cancel, enter: setnonu and delete setnu in the vi~/.vimrc file.
- LINUX . vim 450 2024-07-17 18:26:23
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- MinGW-w64 C/C++ compiler version introduction and download link
- 1. Direct link to download MinGW-w64C/C++ compiler resources from the official website: 2. Product introduction There are a total of five versions that can run on Windows. Let’s talk about the differences of each version separately. 1-cygwin: Equivalent to the Linux compatibility layer of Windows. Linux installs gcc, which can run most Linux software environments (not within the scope of discussion) 2-llvm: Another famous compiler clang under Unix systems and Linux systems (some The feature is not supported under Windows, but it is not gcc red flag linux download and is not recommended) 3-w6464devkit: development tool suite including gcc (recommended, other
- LINUX . vim 1025 2024-07-15 15:19:18
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- MySQL basic installation: sharing from environment preparation to architecture, transactions, indexes and other aspects
- Preface Compared with other small databases such as Oracle, SQL Server, etc., MySQL has its own shortcomings, but this has not reduced its popularity at all. For ordinary individual users and medium and large enterprises, the functions provided by MySQL are more than sufficient. However, because MySQL is an open source software, it can greatly reduce the total cost of ownership, so it is widely used in all walks of life. It is popular and widely used, so it is usually a must-ask knowledge point in written examinations, so in the next period of time, follow the editor to learn the relevant knowledge of MySQL! The editor will cover the installation, architecture, transactions, indexing, linux mobile phones, locks, sub-databases and sub-tables of mysql.
- LINUX . vim 764 2024-07-11 13:40:05
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- Tips for using Cream to make Vim more user-friendly
- The Cream add-on package makes it easier to use by putting a more familiar "face" on top of the Vim text editor while retaining Vim's functionality. When I introduced Cream to them, their disappointment turned into satisfaction. Cream is an add-on package for Vim that makes Vim easier to use. Cream turns these Linux novices into strong advocates and loyal users of Vim. Let's take a look at what Cream is and how it makes Vim easier to use. Cream installation Before installing Cream, you need to install the GUI components of Vim and GVim on your computer. The easiest way I've found to accomplish this is to use the Linux version
- LINUX . vim 521 2024-07-01 14:46:07
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- Lao Pao'er teaches you how to configure the network bridge on Debian Linux
- How to install brctl Enter the following apt-get command: $sudoaptinstallbridge-utils How to set up a bridge on DebianLinux You need to edit the /etc/network/interface file. However, I recommend placing a fresh configuration in the /etc/network/interface.d/ directory. The process of configuring a bridge in DebianLinux is as follows: Step 1 - Find out your physical interface using the ip command: $ip-finetas Example output is as follows: 2:eno1:mtu1500qdiscpfifo_faststateUPgroupdefaul
- LINUX . vim 808 2024-06-28 03:15:02
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- Analysis of Red Hat Linux9 version network management and three network connection methods of VMware virtual machines
- This article uses Red Hat Linux9 version as an example to explain. The network management of Red Hat Linux 9 version is very comprehensive and network configuration changes can be made in many places. However, it should be noted that in version 9, users can make network configuration changes in the configuration file, but the system will not. Execute the changed command, which is executable in versions prior to version 9. Three types of network connections on VMware virtual machines: bridge mode: connect the network card on the host to the virtual network card Vmnet0 through a virtual hub. In bridge mode, the network cards of the virtual machine are connected to the virtual switch Vmnet0. When the virtual machine wants to access the Internet Is the Linux system easy to use when managing the Linux system and network? It is necessary to configure the virtual machine IP address, subnet segment, network segment, etc. with the host network.
- LINUX . vim 1108 2024-06-23 15:34:18
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- Linux system permissions analysis: permission classification and representation methods of ordinary files and directories
- The Linux system has many permissions. Although the purpose is to serve user security and make it more difficult to understand, here I will summarize the permissions of Linux according to file types. 1. Ordinary files and directories. For ordinary files and directories on the Linux system, there are three Types of permissions: rwx permissions, hidden attribute permissions and ACL permissions 1. rwx permissions (1) Use numbers to represent rwx permissions. r represents read permission; w represents write permission; x represents execution permission. The Linux system has three identities: owner (u), group (g) and other people (o). The Linux system uses 0 to indicate that permissions are turned off, and 1 to indicate that permissions are turned on. So how to install LINUX for any file? All possible combinations of owner permissions are 8
- LINUX . vim 509 2024-06-18 15:50:44
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- GitHub Copilot vs. ChatGPT: Which Is Better for Programming?
- GitHubCopilotandChatGPTaretwoofthemostpopularAIprogrammingaidsavailable.TheyusethesameGPTlargelanguagemodelandarecapableofgenerating,suggesting,andcheckingcode.So,whichoneshouldyoubeusing?WhatIsGitHubCopilot?G
- AI . vim 1036 2024-06-14 20:46:39
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- SSH service startup and configuration guide: How to successfully set up and log in remotely
- It means that your ssh service has already been started. If it fails, try uninstalling it (see Step 6: Uninstalling the ssh service) and then installing it (Part 2: Installing the ssh service). First, enter the /etc directory. The /etc directory stores some configuration files, such as passwd and other configuration files. If you want to use ssh to remotely log in to linux and install ssh rainforest linux, you need to configure the configuration in the /etc/ssh/sshd_config file. Information, use vim to edit the LINUX community, enter vim/etc/ssh/sshd_config in the command line mode, after entering, press "i" to enter the editing state, find the file and change it to: Passwo
- LINUX . vim 366 2024-06-14 09:46:41
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- In-depth understanding of shell: Common noun analysis and application scenarios in penetration
- What are shells? Shell is a term commonly used in penetration, such as getshell, webshell, drop shell, etc., all related to shell. Shell explained by Baidu Encyclopedia: In computer science, Shell is also called a shell (to distinguish it from the core), which refers to software (command parser) that "provides an operating interface for users". It is similar to cmd.exe under DOS and later. It receives user commands and then calls the corresponding application. Simply put, users access the services of the operating system kernel through the shell, that is, from the shell to the kernel to execute system commands. getshell: obtain the command execution permission of the target webshell: refers to the website side door linux kernel sprint
- LINUX . vim 1195 2024-06-13 21:26:03
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