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I am using the board of s5pv210 directly here. According to the method of Mr. Zhu's lecture, install the cross-compilation tool chain according to the installation package provided by the government (also installed with source code, this is a high quality, temporarily press the table) arm-2009q3.tar.bz2 Put this installation package mv in ...

1. Adding new users Because the user rights of root are too large in daily use, a user is added for daily use or for other people's use. 1 Additional Users adduser [username] [root@centos ~]# adduser dex 2 Setting Password passwd [username] [root@centos ~]# passwd dex Changing password for ...

1. Introduction to Python Python is a computer programming language.It is an object-oriented, dynamic type language that can be applied in the following areas: Web and Internet Development Scientific Computing and Statistics cloud computing Artificial intelligence System Operations and Maintenance Python was designed by Guido van Rossum in t ...

The original is published on a personal site: GitDiG.com , link to the original text: 9102, Play Mail System Again: Installation This article was originally intended to be written in the middle of a series of articles about the mail system in 9102, but it was the first to do so.This series will include the following three articles: [] 9102, P ...

1. Notes on Natural Language Processing 1.generator and list differences generator uses the next mechanism, instead of building the entire storage space, list s need to build the entire storage space 2. The meaning of u, r, b before the string u indicate string use unicode r indicate do not use transf ...

ubuntu 12.04. The ubuntu dual system installed after installing windows always shows the grub selection menu at startup time. You can select different versions of ubuntu kernel s to start However, for a simple ubuntu system, the corresponding menu is not displayed for selection after boot-up. Referring ...

System environment: CentOS 7.5 192.168.204.128 192.168.204.129 192.168.204.130 JDK:1.8 elasticsearch-7.1.1 1. Configure the JAVA environment, extract JDK 1.8 into / usr/local/jdk / directory, and add it to / etc/profile JAVA_HOME=/usr/local/jdk/jdk1.8 CLASSPATH=.:$JAVA_HOME/lib/tools.jar:$JAVA ...

User and Group Management 1. User Profile 2. Password Profile 3. groupadd command Examples of main parameters for groupadd: 4. groupdel command Examples of groupdel main parameters: 5. useradd command Examples of main parameters of useradd: 6. userdel command Examples of main parameters of userdel: 7 ...

Using StrongSwan to study IPSec is a good practice to understand IPSec. However, there are so many pits in the process of using Strong Swan, and there are so many incomplete online tutorials that I can hardly explain every step thoroughly, which leads me to scratch my ears and cheeks in the process of using Strong Swan. Programmers naturally w ...

I don't know much about hadoop, but I have encountered a lot of unexpected mistakes in the course of construction. Now I summarize how to build and common error solutions, hoping to help you all. If the following contents are infringed, please contact the author to delete, thank you! First of all, the author uploaded the software version used ...