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In the Ubuntu system, the `chown` command is used to modify the owner user and group of a file or folder. The basic syntax is `chown [options] username:group filename/foldername`. Common operation exa

In Ubuntu system, there are multiple ways to check for malicious login situations. To view login history, commands like `last`, `lastb`, and `last -i` can be used. For system log inspection, commands

There are common methods to update graphics card drivers in Ubuntu. The third method is recommended in the introduction. Method 1 uses the official repository: first, run `sudo apt update` to update t

This chapter introduces Python project practice, including project planning and design, involving requirements analysis (functional and non-functional requirements), system design (such as MVC archite

This chapter mainly introduces Python testing and debugging. It covers testing fundamentals, including test types (unit, integration, etc.) and TDD processes; frameworks like unittest and pytest, such

This chapter introduces Python concurrent programming, covering basic concepts (differences between concurrency and parallelism, GIL, task types), multithreading (threading module, daemon threads, syn

This chapter mainly introduces knowledge related to web crawling and automation, including the basics of web crawlers (definition, purposes, working principles, classification, laws and ethics), HTTP

This chapter focuses on Python Web development, covering basic concepts such as web architecture, HTTP protocol, and the ecosystem. It compares frameworks like Flask (lightweight), Django (full-stack)

This chapter focuses on Python data science, covering the basics of data science, NumPy numerical computation, Pandas data processing, data visualization, statistical analysis, machine learning introd

This chapter introduces Python network programming, covering the basics of network protocols (TCP/IP four - layer model, common protocols), Socket programming (implementation of TCP/UDP servers and cl