In the Ubuntu system, we often encounter folders with a lock shape on the top. This file often cannot be edited or moved. This is because there is no permission to edit the file, so we need to modify its permissions. How to remove the lock in the lower right corner? Let’s take a look at the detailed tutorial below. 1. Right-click on the locked folder--Properties. 2. Select the permissions option in the window. 3. Select everything inside to create and delete files. 4. Then select Change the permissions of the included files at the bottom, which are also set to create and delete files. Finally, remember to click Change in the upper right corner. 5. If the above lock is still not removed, or the options are grayed out and cannot be operated, you can right-click inside - open the terminal. 6. make

There are many software icons listed in the Ubuntu system start menu. There are many uncommon icons. If you want to delete them, how should you delete them? Let’s take a look at the detailed tutorial below. 1. First enter the ubuntu desktop and click on the start menu under the left panel. 2. You can find a text editor icon inside, we need to delete it. 3. Now we return to the desktop and right-click the mouse to open the terminal. 4. Use the command to open the application list directory. sudonautilus/usr/share/applicationssudonautilus~/.local/share/applications5. Find the corresponding text editor icon inside. 6. Then go straight

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

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

In Ubuntu systems, the root user is usually disabled. To activate the root user, you can use the passwd command to set a password and then use the su- command to log in as root. The root user is a user with unrestricted system administrative rights. He has permissions to access and modify files, user management, software installation and removal, and system configuration changes. There are obvious differences between the root user and ordinary users. The root user has the highest authority and broader control rights in the system. The root user can execute important system commands and edit system files, which ordinary users cannot do. In this guide, I'll explore the Ubuntu root user, how to log in as root, and how it differs from a normal user. Notice

Ubuntu24.04LTS, codenamed "NobleNumbat" will be released soon! If you are using a non-LTS version such as Ubuntu 23.10, sooner or later you will need to consider upgrading. For those using Ubuntu20.04LTS or Ubuntu22.04LTS, it is worth thinking about whether to upgrade. Canonical has announced that Ubuntu 24.04LTS will provide update support for up to 12 years, broken down as follows: As an LTS version, it will have 5 years of regular maintenance and security updates. If you subscribe to Ubuntu Pro, you can enjoy an additional 5 years of support. Currently, this additional support period has been extended to 7 years, which means you will get up to 12

snap is a software packaging and deployment system developed by Canonical for operating systems that use the Linux kernel and systemdinit system. These packages, known as snaps, and the tool that uses them, snapd, are available across a range of Linux distributions and allow upstream software developers to publish their applications directly to users. With snap, users can easily install Linux applications. By default, snapd will check for updates four times a day and automatically update snap applications to the latest version. While there are many ways to control when and how often updates are installed, users cannot completely turn off automatic updates for security reasons. Although the original intention of snap is good, many people use it to

To change the system keyboard layout to American keyboard, how to modify it in Ubuntu system? Let’s take a look at the detailed setting method below. 1. Right-click on the desktop, open openterminal, and enter the command. 2. Just enter the administrator password and select your computer according to the type. 3. Select the country English (us), press tab and select OK. 4. Select English (us) for the keyboard layout to represent the United States. Set a modifier key in Figure 2. 5. Select a key combination to activate its [altgr] function. If you select no, no key combination is needed, and then select yes, then you can set the keyboard layout to English (us), which is an American keyboard.