mariadb安装

mariadb

# 查询以安装的软件:
[root@centos7 /]# rpm -qa | grep Maria*
#卸载:
[root@centos7 /]yum -y remove mari*
#删除数据库文件:
[root@centos7 /]rm -rf /var/lib/mysql/*
#配置repo文件,通过yum安装:
[root@centos7 /]vi /etc/yum.repos.d/MariaDB.repo
#添加以下内容

# MariaDB 10.3 CentOS repository list - created 2018-06-21 09:11 UTC
# http://downloads.mariadb.org/mariadb/repositories/
[mariadb]
name = MariaDB
# baseurl = http://yum.mariadb.org/10.3/centos7-amd64
# 修改为国内源
baseurl = https://mirrors.shu.edu.cn/mariadb//mariadb-10.3.9/yum/centos7-amd64/
gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
gpgcheck=1

#安装mariadb:
[root@centos7 /]# sudo yum install MariaDB-server MariaDB-client

#修改的配置文件
[root@centos7 /]vi /etc/my.cnf.d/client.cnf
#在[client]字段里加入
default-character-set=utf8
[root@centos7 /]vi /etc/my.cnf.d/server.cnf
#在[mysqld]字段里加入
character-set-server=utf8

#启动MariaDB:
[root@centos7 /]service mysql start
#修改root密码:
[root@centos7 /]mysqladmin -u root password '123456'
#或者通过执行安全策略修改:
[root@centos7 /]/usr/bin/mysql_secure_installation
root原始密码存在于:/root/.mysql_secret

#登录:
[root@centos7 /]mysql -u root -p
Enter password: 输入自己设置的密码(成功Welcome...)
#授权ip登录:
[root@centos7 /]grant all on *.* to 'root'@'%' identified by 'password' with grant option;(password为自己设置的密码) 
#启停命令:
service mysql start
service mysql stop
service mysql restart
service mysql status




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