系統(tǒng)環(huán)境：centos7.4
一,查看是否安裝有數(shù)據(jù)庫：
yum list installed | grep mysqld/mariadb
二，安裝centos7系統(tǒng)帶有mysql5.6安裝包的yum源RPM資源包：
| rpm -Uvh http://dev.mysql.com/get/mysql-community-release-el7-5.noarch.rpmyum clean allyum repolist |
三，安裝msyql5.6：
yum -y install mysql-community-server
四，啟動服務(wù)：
| systemctl start mysqldsystemctl enable mysqld |
五，重置密碼：是具體情況而定(可以省略，無密碼登陸)
| #mysql_secure_installationSet root password? [Y/n] y [設(shè)置root用戶密碼]Remove anonymous users? [Y/n] y [刪除匿名用戶]Disallow root login remotely? [Y/n] n [禁止root遠(yuǎn)程登錄]Remove test database and access to it? [Y/n] y [刪除test數(shù)據(jù)庫]Reload privilege tables now? [Y/n] y [刷新權(quán)限] |
六，查看mysql版本：
| mysql -Vmysql Ver 14.14 Distrib 5.6.39, for Linux (x86_64) using EditLine wrapper |
七，驗(yàn)證：(無密碼)
mysql -uroot -p 密碼
八、設(shè)置密碼和遠(yuǎn)程權(quán)限
數(shù)據(jù)庫密碼設(shè)置：#set password for 'root'@'localhost'=password('userpasswd');
九、配置防火墻
firewall-cmd --zone=public --add-port=3306/tcp --permanent
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