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CentOS 6.9. When executing yum makecache, 404 errors are reported as follows: http://mirrors.cloud.aliyuncs.com/epel/6/x86_64/repodata/repomd.xml: [Errno 14] PYCURL ERROR 22 - "The requested URL returned error: 404 Not Found" The reason is that "CentOS 6 has entered EOL (Reaches End of Life) with the end of November 2020 , the official re ...

The last article talked about how to use Ubuntu 18 04 install nvidia graphics card driver, then install cuda and cudnn together in the environment where the graphics card driver is installed. The workload is also a lot. I unloaded it several times. The complete collection of deep learning environment and pit avoidance is coming!!!! pref ...

Container data volume What is a container data volume Review of docker's concept Package the application and environment into an image! data If the data is in the container, we will delete the container and lose the data! Requirement: data can be persistent Mysql, the container is deleted, delete the database and run! Requirement: MySQL da ...

1. Introduction to Transmission Transmission is a powerful BT tool that understands nature. Currently, several versions of the website are available for download, including Mac, GTK+, QT, and Daemon. Transmission supports features such as DHT, Magnet Link, uTP, and PEX. In particular, it is important to support Magnet Link magnetic link dow ...

The road is blocked and long, and the line is coming. Keep your head down and work hard. If you don't make a noise, you'll be a blockbuster! Come on, Sao Nian! Hello, everyone. I'm Xiao 2. I summarized the last article WiFi command compilation process This article shares the process of WiFi connection routing. I hope it can be helpful to yo ...

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python actual combat quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 In CSS specification Scroll-linked Animations In, an epoch-making CSS function is introduced. That is – The @scroll-timeline At rule, lite ...

muduo log library is an asynchronous high-performance log library. Its performance cost is about 1.0us~1.6us for each log message written by the front end. Log base model double buffering interaction technology is adopted. The basic idea is to prepare two parts of buffer: A and B. the front end thread fills buffer A with data (log messages), ...

The 32nd day of learning big data - cycle and date for loop Format 1: for((i=1;i<=j;i++)) do Circulatory body done Format 2: for i in {start position... End position} # there are two points in the middle do Circulatory body done Format 3: for i in $(seq end position) do Circulatory body done For ...

1, Common commands Teaching video of station B: https://www.bilibili.com/video/BV1mW411i7Qf?p=106 tab Automatic completion if you want to switch paths, such as cd Desktop Can enter cd Des tab Key automatic completion Direction keys up and down can automatically the previous command clear Clear screen whoami View current login user 1.1 doc ...

1. Preface A walker asked the old Taoist priest, "what did you do before you got the Tao?" Old Taoist priest: "chop firewood, carry water and cook." The walker asked, "what about after gaining the Tao?" Old Taoist priest: "chop firewood, carry water and cook." The walker asked again, "what is T ...