MySQL 5.7.25 YUM 安装配置

# wget https://repo.mysql.com//mysql80-community-release-el7-2.noarch.rpm
#rpm -ivh mysql80-community-release-el7-2.noarch.rpm

# cat /etc/yum.repos.d/mysql-community.repo 
...
[mysql57-community]
name=MySQL 5.7 Community Server
baseurl=http://repo.mysql.com/yum/mysql-5.7-community/el/7/$basearch/
enabled=1
gpgcheck=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql
...



# yum -y install mysql-community-client mysql-community-common mysql-community-devel  mysql-community-libs \n
  mysql-community-libs-compat   mysql-community-server


参数文件的配置：

# cat /etc/my.cnf
[mysqld]
datadir=/var/lib/mysql
socket=/var/lib/mysql/mysql.sock
symbolic-links=0

default-storage-engine=InnoDB
character_set_server= utf8mb4
character-set-client-handshake    = FALSE
character-set-server= utf8mb4
collation-server= utf8mb4_unicode_ci
init_connect='SET NAMES utf8mb4'
lower_case_table_names= 1
plugin-load=validate_password.so
validate-password=OFF

explicit_defaults_for_timestamp=true

server-id=100
log-bin=mysql_bin.log
binlog_format=ROW
expire-logs-days=2

log-error=/var/log/mysqld.log
pid-file=/var/run/mysqld/mysqld.pid


启动MySQL数据库：


# systemctl restart mysqld
[root@datanode2 ~]# cat /var/log/mysqld.log  | grep -i password
2019-04-24T06:58:04.636266Z 1 [Note] A temporary password is generated for root@localhost: h3zQ;O7se2N5
2019-04-24T06:58:08.158194Z 0 [Note] Plugin 'validate_password' is disabled.
2019-04-24T06:58:08.165199Z 0 [ERROR] Function 'validate_password' already exists
2019-04-24T06:58:08.165224Z 0 [Warning] Couldn't load plugin named 'validate_password' with soname 'validate_password.so'.
[root@datanode2 ~]# mysql -p
Enter password: 
Welcome to the MySQL monitor.  Commands end with ; or \g.
Your MySQL connection id is 2
Server version: 5.7.25-log

Copyright (c) 2000, 2019, Oracle and/or its affiliates. All rights reserved.

Oracle is a registered trademark of Oracle Corporation and/or its
affiliates. Other names may be trademarks of their respective
owners.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

-- 账号设置：

mysql> grant all privileges on *.* to root@'%' identified by 'oracle';
ERROR 1820 (HY000): You must reset your password using ALTER USER statement before executing this statement.
mysql> alter user root@'localhost' identified by 'oracle';
Query OK, 0 rows affected (0.00 sec)

mysql> grant all privileges on *.* to root@'%' identified by 'oracle';
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> flush privileges;
Query OK, 0 rows affected (0.00 sec)
MySQL 5.7.25 YUM 安装配置

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