This article is approximately 2500 words long, and it takes about 5 minutes to read. TL;DR The oil olive has very low sugar content, high vitamin C content, and its vitamin C is very stable. Juicing it is also quite good, but don’t add too many fruits or sugar to a cup. Oil olive contains … Read more
Today is the fourth day of the Lunar New Year. Since the first day of the Lunar New Year, I have been sharing some of our public account’s most read articles with you. I wish you all the best in the new year, may all your wishes come true, and may you have great fortune. … Read more
• To develop audio and video capture and streaming functionality on the RK3568 platform, compile and install FFmpeg and its dependency, the x264 library. Dependency Installation x264 Compilation and Installation Extracting Source Code tar xf x264-snapshot-20191217-2245-stable.tar.bz2 cd x264-snapshot-20191217-2245-stable/ Modify Configuration File vi config.mak # Modify content to support cross-compilation CC=aarch64-linux-gcc LD=aarch64-linux-gcc -o AR=aarch64-linux-ar rc RANLIB=aarch64-linux-ranlib … Read more
(Click the public account above to quickly follow) Source:WsztRush Link: http://wsztrush.github.io/%E7%BC%96%E7%A8%8B%E6%8A%80%E6%9C%AF/2015/05/13/Linux-Memory.html Most servers today run on Linux, so as a programmer, it is necessary to have a basic understanding of how the system operates. Regarding memory, you need to know: Address Mapping Memory Management Methods Page Faults First, let’s look at some basic knowledge. From … Read more
(Click the public account above to quickly follow) Source: taozj https://taozj.org/201701/linux-performance-basic.html If you have good articles to submit, please click → here for details A server based on the Linux operating system exhibits various performance metrics while running. Generally, operations and maintenance personnel, as well as system administrators, are very sensitive to this data, but … Read more
(Click the public account above to quickly follow) Author: David Both, Translation: Linux China/penghuster linux.cn/article-8807-1.html If you have good articles to submit, please click → here for details Have you ever wondered how an operating system can execute applications? This article will unveil the mysteries of operating system booting and startup. Understanding the operating system … Read more
(Click the public account above to quickly follow) English: Techbar, Translation: Linux China/geekpi linux.cn/article-2389-1.html If you have good articles to submit, please click → here for details I regularly use the Linux shell (Bash), but I often forget some useful commands or shell tricks. Yes, I can remember some commands, but they definitely won’t be … Read more
(Click the public account above to quickly follow) Source: ggjucheng Link: http://www.cnblogs.com/ggjucheng/archive/2013/01/13/2858470.html Introduction Awk is a powerful text analysis tool. Compared to grep for searching and sed for editing, awk is particularly powerful in data analysis and report generation. In simple terms, awk reads files line by line, slicing each line using space as the … Read more
(Click the blue text above to quickly follow us) This article is recommended by the original author (Lü Kai) Below are examples of user and group information. The password information in /etc/shadow is stored encrypted and will not be exemplified. $cat /etc/passwd |head –n5 root:x:0:0:root:/root:/bin/bash daemon:x:1:1:daemon:/usr/sbin:/bin/sh bin:x:2:2:bin:/bin:/bin/sh sys:x:3:3:sys:/dev:/bin/sh sync:x:4:65534:sync:/bin:/bin/sync $cat /etc/group |head –n5 root:x:0: daemon:x:1: … Read more
Author: DAVE Translator: Nuclear Cola Editor: Liu Yan Commercial Unix sales are plummeting—this trend must be influenced by certain underlying factors. All the scenarios that once popularized Unix have now become the domain of Linux, which has also reached new heights that Unix could never achieve. Has Linux developed into a perfect and reliable alternative, … Read more