Author: Blue Tears The first master-slave backup experimentExperimental environment: prepare 3 virtual machines, centos7.9 system, ip respectively 192.168.29.10118.104.22.16822.214.171.124Environmental preparation wget http://repo.mysql.com/mysql57-community-release-el7-9.noarch.rpmsudo rpm -ivh mysql57-community-release-el7-9.noarch.rpmyum -y install mysql mysql-serveriptables -Fsystemctl stop firewalldsystemctl disable
Author: Blue Tears Background introductioncmake make configure software name: mysql mysql-server service: mysqld main configuration file /etc/my.cnf start command mysqld_safe socket /var/lib/mysql/mysql.sock data directory /var/lib/mysql initialization script mysql_install_db process File /var/run/mysqld.pid First, create a password for
To become a data scientist, it is necessary to master the languages of Excel, MySQL, and Python. Many students don't know how to learn. Today, the blogger, based on his many years of summary, dedicated 5 original documents for everyone, aiming to help us learn knowledge in an easy-to-understand way.
Every Mother's Day, Valentine's Day, and Qixi Festival, many small partners and big partners will encounter such a century-old problem-how to give girlfriend/wife a unique holiday surprise. For example, the upcoming 520, the editor plans to prepare such a small surprise for my single friend, and ask him to
1. Introduction to the experimentThis experiment will use Python3 to identify whether the picture is a pornographic picture, we will use the image processing library PIL, and will write an algorithm to divide the skin area of the image 1.1. Knowledge points Python 3 module installation Python 3 basic
Redis installation and configuration processAuthor: Blue Tears The first yum installation methodredis 和memcached类似、 yum install redis redis-server redis-cli redis-cli shutdown pkill -9 redis Second source package installation methodwget redis3.2 tar -zxvf redis3.2 cd redis3.2 yum install gcc gcc-c++ make echo $? make prefix=/usr/local/redis install mkdir
So how should we learn programming well across industries? In the IT industry, every programming language has its own unique advantages. To say a not-so-appropriate analogy, learning programming is like cooking. Whether you are learning C/C++, PHP, python or Java, just like the dishes are divided into Cantonese, Shandong,