Attempted solution to the OpenStack Provincial Competition problem (Part One: Installation)

Introduction As you know, I have been fortunate enough to be selected by my instructors to participate in the provincial cloud computing competition. As a result, I have joined the project group in campus. As a member of the group, I need to study hard and continuously expand my knowledge. To achieve good results at the upcoming provincial competition, we need to learn about the structure of private clouds and the different types of container clouds.

Attempt to Solve the Problem of VirtualBox Stuck on 'Starting' When Starting a Virtual Machine

Prologue: What was the problem? Today, I felt like playing around with VirtualBox and discovered that every virtual machine was stuck at Starting virtual machine.. The first step when encountering a problem is to go to Google. Hmm… I found two posts on the official Arch forum. Virtualbox hangs on Starting virtual machine window / Newbie Corner / Arch Linux Forums KVM busted in linux 5.18 due to Intel CET / Kernel & Hardware / Arch Linux Forums

Some Thoughts on Writing HTML and CSS

Introduction Many beginners often encounter some basic problems when learning HTML and CSS, which can be frustrating. I originally didn’t want to write about basic topics, but I feel that some people may need to see this kind of content…so here are some tips. There is not much to say, just some issues related to syntax and usage. Common Issues I Have Noticed HTML Syntax Problems Tag Order Problems I often get asked questions like “Why isn’t my content showing up when I put the tags in?

Python Learning Notes - ArgParse

Introduction In order to make TitleGetter more flexible, I plan to let users customize list.txt and the output file. Therefore, this requires the use of command line options… just like some software we commonly use, such as pacman. So I googled it and learned about ArgParse. The argparse module makes it easy to write user-friendly command-line interfaces. The program defines what arguments it requires, and argparse will figure out how to parse those out of sys.