Linux source code installation mysql5.7

1. Download the mysql source installation package

wget http://dev.mysql.com/get/mysql57-community-release-el7-8.noarch.rpm

2. Install the mysql source

yum localinstall mysql57-community-release-el7-8.noarch.rpm

3. Check whether the mysql source is installed successfully

yum repolist enabled | grep "mysql.*-community.*"

4. When you see the picture above, the installation is successful.

You can modify the vim /etc/yum.repos.d/mysql-community.repo source and change the default installation. mysql version. For example, to install version 5.6, change the enabled=1 of the 5.7 source to enabled=0. Then change the enabled=0 of the 5.6 source to enabled=1. The effect after the modification is as follows:

5. Install Mysql

yum install mysql-community-server

6. Start Mysql

systemctl start mysqld

7. Start up

systemctl enable mysqldsystemctl daemon-reload

8 .Modify the root local login password

After the mysql installation is completed, a default password is generated for root in the /var/log/mysqld.log file. Find the root default password in the following way, and then log in to mysql to modify it:

grep 'temporary password' /var/log/mysqld.log

Command:

mysql -uroot -p

Question: centos7.0 is installed After mysql5.7.11, use mysql -u root -p to connect to the database. Operation tip: You must reset your password using ALTER USER statement before executing this statement.

Following the prompts ALTER USER to change the password is invalid. Later I found that executing the following command can be done:

SET PASSWORD = PASSWORD(‘123456’); set password for 'root'@'localhost'=password('你的新密码');

The default password check policy requires that passwords must contain: uppercase and lowercase letters, numbers, and special symbols, and must be no less than 8 characters in length. Otherwise, the error ERROR 1819 (HY000): Your password does not satisfy the current policy requirements will be prompted, as shown in the following figure:

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grant all on *.* to 'root'@'127.0.0.1' identified by '123123'WITH GRANT OPTION; flush privileges; //刷新权限表

systemctl restart mysqld

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