centos 7.4 yum安裝mysql5.7

 

mysql5.7安裝

1.1  進入本機源文件目錄/usr/local/src

# cd /usr/local/src/

1.2  wget mysql的rpm包

# wget https://dev.mysql.com/get/mysql57-community-release-el7-11.noarch.rpm

1.3 運行rpm命令預編譯

# rpm -ivh mysql57-community-release-el7-11.noarch.rpm
warning: mysql57-community-release-el7-11.noarch.rpm: Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY
Preparing...                          ################################# [100%]
Updating / installing...
   1:mysql57-community-release-el7-11 ################################# [100%]
[root@iZ23hdndo4vZ src]# 

1.4 yum方式安裝mysql-server

# yum install -y mysql-server

1.5  啓動停止mysql服務命令

# systemctl start mysqld
# systemctl stop mysqld

1.6 查找初始密碼

# cat /var/log/mysqld.log 
2018-09-19T06:43:48.776000Z 0 [Warning] TIMESTAMP with implicit DEFAULT value is deprecated. Please use --explicit_defaults_for_timestamp server option (see documentation for more details).
2018-09-19T06:43:50.543804Z 0 [Warning] InnoDB: New log files created, LSN=45790
2018-09-19T06:43:50.754544Z 0 [Warning] InnoDB: Creating foreign key constraint system tables.
2018-09-19T06:43:50.821659Z 0 [Warning] No existing UUID has been found, so we assume that this is the first time that this server has been started. Generating a new UUID: 5e3cf68a-bbd7-11e8-86d0-00163e09c8b0.
2018-09-19T06:43:50.824047Z 0 [Warning] Gtid table is not ready to be used. Table 'mysql.gtid_executed' cannot be opened.
2018-09-19T06:43:50.824508Z 1 [Note] A temporary password is generated for root@localhost: /oCbd<c+4exw

初始密碼爲：/oCbd<c+4exw

1.7 進入mysql服務修改初始化的密碼

# mysql -u root -p
Enter password:

設置修改的密碼不做任務驗證

mysql> set global validate_password_policy=0;
Query OK, 0 rows affected (0.00 sec)

設置新的密碼

mysql> alter user 'root'@'localhost' identified by '新的密碼';

1.8 新建數據庫，並新建用戶，開通外網訪問權限

創建數據庫ds9

mysql> create database ds9;

創建兩個用戶

mysql> create user 'dianshi9'@'localhost' identified by '密碼';
Query OK, 0 rows affected (0.00 sec)

mysql> create user 'ds9_select'@'%' identified by '密碼';
Query OK, 0 rows affected (0.00 sec)

爲數據庫分配權限

給用戶dianshi9分配ds9數據庫的內網操作的所有權限

mysql> grant all privileges on ds9.* to 'dianshi9'@'localhost' identified by '密碼';
Query OK, 0 rows affected, 1 warning (0.00 sec)

給用戶ds9_select分配所有網絡的select，insert，update操作權限

mysql> grant select,update,insert on ds9.* to 'ds9_select'@'%' identified by '密碼';
Query OK, 0 rows affected, 1 warning (0.00 sec)

mysql> flush privileges;

完成