Encrypt and decrypt files using GPG
Goal: Encrypt files using GPG Distribution: Applies to any distribution Requirements: Linux with GPG installed or have root privileges to install it. Difficulty: Simple Convention: #-You need to use root permissions to execute the specified command. You can directly use the root user to execute it, or you can use the sudo command $-You can use an ordinary user to execute the specified command. Introduction to encryption is very important. It is essential to protect sensitive information. Your private files should be encrypted, and GPG provides a great solution. Installing GPGGPG is very widely used. You can find it in almost every distribution's repository. If you haven't installed it yet, do it now. Debian/Ubuntu
Feb 29, 2024 pm 08:28 PM
How to manually configure the IP address in Centos 7? Tips for configuring the IP address in Centos 7
The server needs to be connected to the Internet after installing the Linux system. So how to configure the IP address of the Linux system? Today I would like to share my experience with you. First, log in to the system using the root account. (You can’t see the password when you enter it, so don’t make a mistake.) Use the cd command to switch to the /etc/sysconfig/network-scripts/ directory; use the ls command to view the files in this directory, among which ifcfg-ens33 This is the network card configuration file to be modified. Use the vimifcfg-ens33 command to open and modify the configuration file: BOOTPROTO="static" sets the IP acquisition method to static acquisition; IP
Feb 29, 2024 pm 06:22 PM
Ubuntu 23.04 system is open for download: Linux 6.2 kernel
Canonical today released the Ubuntu 23.04 (Lunar Lobster) operating system, a major update to its GNU/Linux distribution. Ubuntu23.04, known as "LunarLobster", is equipped with the latest Linux6.2 kernel series and is equipped with the recently released GNOME44 desktop environment series. These two changes, which bring numerous new features, will encourage many Ubuntu users to upgrade their existing installations. Another big change in the Ubuntu 23.04 release is the installation of a completely new version of Ubuntu Desktop, which has been in development for several years and uses Google FlutterU entirely.
Feb 29, 2024 pm 05:40 PM
Ubuntu 18.04 LTS version officially transitions to Extended Security Maintenance (ESM)
Canonical announced today that the Ubuntu18.04LTS (BionicBeaver) operating system series has officially transitioned to Extended Security Maintenance (ESM), effective immediately on May 31, 2023. Ubuntu18.04LTS (BionicBeaver) continues its tradition of providing commercial support for UbuntuLTS versions in the form of Extended Security Maintenance (ESM, ExtendedSecurityMaintenance). These versions have reached the end of standard support after five years of maintenance, Ubuntu16.04ESM The product will end support in April 2024. Ubuntu18.0
Feb 29, 2024 pm 05:30 PM
What should I do if the Ubuntu terminal cannot be opened? How to fix the problem that Ubuntu cannot open the terminal
It is a very common problem these days that Ubuntu does not allow its users to open the terminal. If you receive a similar issue and don’t know what to do next, learn about five fixes on how to resolve this “Ubuntu cannot open terminal” issue on your Linux device. Without further ado, let’s dive into what causes it and the solutions available to it. Why can't Ubuntu open the terminal on it? This mainly happens when you install some defective software or modify the terminal configuration. In addition to this, new applications or games that interact with locales and corrupt them can cause similar problems. Some users reported a fix for this issue when searching for Terminal in Ubuntu's activity menu. This shows that
Feb 29, 2024 pm 05:30 PM
Linux system Fedora is developing well and the next version will be renamed Kernel
Yes, there is no problem with your mouth. WindowsVista has been released a long time ago, and Linux developers are probably impatient, so they threw a bigger hydrangea than in previous years---the core developers of LinuxKernel said that they are willing to provide it to all companies. Driver development to improve the overall compatibility of Linux. Why do you have to encounter the problem of incompatibility of different drivers? But manufacturers don’t have to spend a penny to obtain drivers. All they have to do is to provide relevant information about the hardware as much as possible. In fact, it is best to give away their hardware to developers. for detailed testing. The purpose of the driver being written by Linux Kernel core developers is that this code can be put into the new Linux released at any time.
Feb 29, 2024 pm 05:29 PM
Ubuntu 20.04 screen recording software OBS installation and uninstallation graphic tutorial
OBS is open source software developed by volunteer contributors around the world in their free time. A video live recording software, mainly used for video recording and live streaming. Please note that when installing Ubuntu/Mint, OBSStudio cannot fully work on ChromeOS, and functions such as screen and window capture cannot be used. It is recommended to use xserver-xorg1.18.4 or newer version to avoid potential performance issues with certain features in OBS, such as full-screen projectors. FFmpeg is required. If you don't have FFmpeg installed (if you're not sure, you probably don't), you can get it with: sudoaptinstallffmpeg I already have it installed here
Feb 29, 2024 pm 04:01 PM
How to install Baidu Netdisk on linux/ubuntu system? Graphical tutorial on linux Baidu Netdisk installation
How to install Baidu Netdisk on Linux system? In the past, we all installed Baidu Netdisk under Windows. Some students who use Linux system still don’t know how to install Baidu Netdisk under Linux system. Today I will teach you how to install Baidu Netdisk under Linux system. Steps to install Baidu Netdisk on Linux: 1. Search "Baidu Netdisk" on Baidu and click "Client Download", as shown in the figure below; 2. Open the download page and select the Linux version/ubuntu version, as shown in the figure below (Linux version as an example); 3. Select the "deb format" of the Linux version (Note: U is used in the tutorial.
Feb 29, 2024 pm 03:30 PM
Centos7 graphical interface graphic installation detailed explanation
Many people may not be used to the fact that centos7 does not have a graphical operation. Let’s install a graphical interface for centos7. This article takes the installation of GNOME graphical as an example before installation: If your centos7 is installed in a minimized format, it will be installed by default. They all do not come with XWINDOWS, so before installing the graphical interface, you must first install XWINDOWS. This control function is yumgroupinstall "XWindowSystem". 1. Enter the installation command yumgroupinstall-y "GNOMEDesktop" and wait for the installation to complete. Complete 2. Enter the command to enter. The graphical interface init5 enters the language selection world
Feb 29, 2024 pm 03:07 PM
Use Centos to build an open source mirror site
Building a mirror site requires three steps: find a faster domestic source, install and configure tomcat, and synchronize target source data. Domestic sources are also synchronized with foreign official servers. We need to find domestic sources that support rsync. We can search the keyword [centos mirror station] on Baidu or use my recommendation Tsinghua University open source software mirror station https://mirrors4.tuna .tsinghua.edu.cn/centos/. tomcat installation and configuration installation wgethttp://mirrors.hust.edu.cn/apache/tomcat/tomcat-8/v8.5.24/bin/apache-to
Feb 29, 2024 pm 02:30 PM
How to check disk space in Linux system How to check computer disk space
How to check computer disk space in Linux system? As an open source operating system, Linux is used by many users. However, the operation method of this system is completely different from Windows. The editor will take you to see how to operate it! Operation method: Use the df and du commands to view dfdf and view the file system in units of disk partitions. You can obtain information such as how much space is occupied by the hard disk and how much space is currently left. For example, we use the df-h command to view disk information. The -h option is to display appropriately according to the size: Display content Parameter description: Filesystem: File system Size: Partition size Used: Used capacity Avail: The capacity that can still be used Us
Feb 29, 2024 pm 02:19 PM
How to use Linux commands to create or delete folders?
The Linux system is a free communication operating system based on posix and unix operating systems. Usually we do not use it in our daily life, so we don’t even know how to create or delete folders in the Linux system. However, the Linux system is used on many servers, and most users do not know how to operate this system. The following editor will introduce to you the command tutorial on how to create or delete folders in the Linux system. You can use this set of commands to create or delete folders or files in the Linux system. What is a Linux system? Linux is a Unix-like operating system that is free to use and spread freely. It is a multi-user, multi-user operating system based on POSIX and UNIX.
Feb 29, 2024 pm 02:13 PM
Revealing the secrets of Rax Linux driver: seven revelations that will shock your software engineering journey
The exploration of the RaxLinux driver was a glorious moment in my work in the field of software engineering. It not only allowed me to gain a wealth of skills and experience, but also gave me a deep understanding of the principles and mysteries of the Linux operating system and hardware drivers. Next, let me reveal to you the seven major revelations this journey has brought me. 1. Preliminary knowledge: In-depth study of the Linux kernel. At the beginning of this project, the author deeply analyzed the underlying operating mechanism and architectural structure of the Linux kernel. This process laid a solid foundation for understanding the RaidLinux driver. In addition, the author also refined knowledge in key areas such as file system management, device driver design, and kernel module construction, and improved his C language program development skills. 2. Design and planning:
Feb 29, 2024 pm 01:37 PM
How to access Windows files in Ubuntu How to access Windows folders in Ubuntu
How to access Windows folders in Ubuntu: Method 1: 1. Under Window, create a shared folder and set the "Sharing" attribute. Right-click and select Share. In the pop-up menu, select the sharing user. Of course, you can also Choose everyone. 2. Open the "Home Folder" on the Ubuntu computer, and then select "Connect to Server" under Network 3. In the pop-up menu, enter "smb://windowsip" in the server address. For example, my Windows IP is 192.168. 1.100.4, then click&r
Feb 29, 2024 pm 01:01 PM
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