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---> Package mariadb-libs.x86_64 1:5.5.68-1.el7 will be obsoleted # 安装过程中遇到的提示
删除方法:
rpm -qa|grep mariadb # 查找
yum remove mariadb-libs # 删除
启动服务systemctl start mysqld.service
查看初始密码grep ‘temporary password’ /var/log/mysqld.log | awk ‘{print$13}’,最好赋值下
init_password=$(grep 'temporary password' /var/log/mysqld.log | awk '{print$13}')
登录并修改密码为Mysql-new
mysqladmin -uroot --password=$init_password password Mysql-new1
修改密码策略使之可以设置简单密码
mysql -u root --password=Mysql-new1 -e "set global validate_password.policy=0;set global validate_password.length=1;"
修改密码为123456
mysqladmin -uroot --password=Mysql-new1 password 123456
创建数据库并导入数据:
mysql -u root --password=密码 -e "create database 数据库名;"
mysql -u root --password=密码 数据库名 < mydata.sql
选择数据库 mysql> create user 'user'@'%'; 创建用户 mysql> grant all on *.* to 'user'@'%'; Query OK, 0 rows affected (0.01 sec) 分配权限 mysql> alter user 'user'@'%' identified by '123456' require ssl; Query OK, 0 rows affected (0.01 sec) 刷新权限 mysql> flush privileges; Query OK, 0 rows affected (0.00 sec) 接下来可以测试下,不带-h会以loacalhost登录,且登录不了,因为创建的用户是'user'@'%',想要本地登录还要创建'user'@'localhost' cd /var/lib/mysql mysql -uuser -p123456 -h0.0.0.0 --ssl-cert=./client-cert.pem --ssl-key=./client-key.pem
import ( "crypto/tls" "crypto/x509" "time" dMsql "github.com/go-sql-driver/mysql" "github.com/pkg/errors" "gorm.io/driver/mysql" "gorm.io/gorm" ) func createTLSConf() tls.Config { rootCertPool := x509.NewCertPool() clientCert := make([]tls.Certificate, 0, 1) # 这个证书可以从mysql服务器的/var/lib/mysql目录下里拷贝出来 certs, err := tls.LoadX509KeyPair("cert/mysql_cert/client-cert.pem", "cert/mysql_cert/client-key.pem") if err != nil { logger.Log.Fatal().Err(err).Msg("初始化gorm失败,程序退出") } clientCert = append(clientCert, certs) return tls.Config{ RootCAs: rootCertPool, Certificates: clientCert, InsecureSkipVerify: true, // needed for self signed certs } } func InitGorm(dbDSN string, opts ...gorm.Option) (*gorm.DB, error) { tlsConf := createTLSConf() err := dMsql.RegisterTLSConfig("custom", &tlsConf) if err != nil { logger.Log.Fatal().Err(err).Msg("初始化gorm失败,程序退出") } db, err := gorm.Open(mysql.Open(dbDSN), opts...) if err != nil { return nil, err } rawDb, err := db.DB() if err != nil { return nil, err } rawDb.SetMaxIdleConns(defaultMaxIDleConnections) rawDb.SetMaxOpenConns(defaultMaxOpenConnection) rawDb.SetConnMaxLifetime(defaultMaxLifeTime) return db, nil }
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