Linux system restricts user resources through the ulimit command to prevent excessive use of resources. 1.ulimit is a built-in shell command that can limit the number of file descriptors (-n), memory size (-v), thread count (-u), etc., which are divided into soft limit (current effective value) and hard limit (maximum upper limit). 2. Use the ulimit command directly for temporary modification, such as ulimit-n2048, but it is only valid for the current session. 3. For permanent effect, you need to modify /etc/security/limits.conf and PAM configuration files, and add sessionrequiredpam_limits.so. 4. The systemd service needs to set Lim in the unit file

Create and manage multiple project workspaces in VSCode through the following steps: 1. Click the "Manage" button in the lower left corner, select "New Workspace", and decide the save location. 2. Give the workspace a meaningful name, such as "WebDev" or "Backend". 3. Switch the project in Explorer. 4. Use the .code-workspace file to configure multiple projects and settings. 5. Pay attention to version control and dependency management to ensure that each project has .gitignore and package.json files. 6. Clean useless files regularly and consider using remote development skills

Using VSCode in a multi-screen environment can solve layout and display problems by adjusting the window size and position, setting workspaces, adjusting interface scaling, rationally laying tool windows, updating software and extensions, optimizing performance, and saving layout configuration, thereby improving development efficiency.

The steps to create a package in Laravel include: 1) Understanding the advantages of packages, such as modularity and reuse; 2) following Laravel naming and structural specifications; 3) creating a service provider using artisan command; 4) publishing configuration files correctly; 5) managing version control and publishing to Packagist; 6) performing rigorous testing; 7) writing detailed documentation; 8) ensuring compatibility with different Laravel versions.

VSCode's support trend for emerging programming languages ??is positive, mainly reflected in syntax highlighting, intelligent code completion, debugging support and version control integration. Despite scaling quality and performance issues, they can be addressed by choosing high-quality scaling, optimizing configurations, and actively participating in community contributions.

The reason why the editor crashes after the VSCode plugin is updated is that there is compatibility issues with the plugin with existing versions of VSCode or other plugins. Solutions include: 1. Disable the plug-in to troubleshoot problems one by one; 2. Downgrade the problem plug-in to the previous version; 3. Find alternative plug-ins; 4. Keep VSCode and plug-in updated and conduct sufficient testing; 5. Set up automatic backup function to prevent data loss.

Middleware is a filtering mechanism in Laravel that is used to intercept and process HTTP requests. Use steps: 1. Create middleware: Use the command "phpartisanmake:middlewareCheckRole". 2. Define processing logic: Write specific logic in the generated file. 3. Register middleware: Add middleware in Kernel.php. 4. Use middleware: Apply middleware in routing definition.

VSCode was chosen to develop SpringBoot projects because of its lightweight, flexibility and powerful expansion capabilities. Specifically, 1) Ensure the environment is configured correctly, including the installation of JavaJDK and Maven; 2) Use SpringBootExtensionPack to simplify the development process; 3) Manually configure SpringBoot dependencies and configuration files, which requires a deep understanding of SpringBoot; 4) Use VSCode's debugging and performance analysis tools to improve development efficiency. Although manual configuration is required, VSCode provides a high level of custom space and flexibility.