Referring to the previous article, after writing the code and testing it yesterday, I thought everything would be all right. However, when deploying to the server today, it was directly confused. Problems come one after another, and errors pile up one after another. It was directly broken.

For Linux distributions, I No, The god horse bias is that there are not many versions used, but I have to say that the Centos is really bad, and I don't know why so many people like to use this broken system.