环境centos 7 安装如下四个rpm mysql-community-client-5.7.23-1.el7.x86_64.rpm mysql-community-common-5.7.23-1.el7.x86_64.rpm mysql-community-libs-5.7.23-1.el7.x86_64.rpm mysql-community-server-5.7.23-1.el7.x86_64.rpm --注：有可能需要卸载maridb的包 修改/etc/my.con： datadir=/data/mysqldata socket=/var/lib/mysql/mysql.sock # Disabling symbolic-links is recommended to prevent assorted security risks symbolic-links=0 log-error=/var/log/mysqld.log pid-file=/var/run/mysqld/mysqld.pid default-storage-engine=INNODB character_set_server=utf8 关闭Selinux vi /etc/sysconfig/selinux 把里边的一行改为 SELINUX=disabled 重启机器reboot 初始化 mysqld --user=mysql --datadir=/data/mysqldata --initialize 启动： systemctl start mysqld 通过log-error=/var/log/mysqld.log该文件找到生成的临时密码 ，如下 A temporary password is generated for root@localhost: d!xlfxn!_7.H 通过 mysql -uroot -p 手动输入密码 进入mysql 修改密码 alter user 'root'@'localhost' identified by '123456'; 修改相关权限 grant all privileges on *.* to root@'%' identified by '123456'; 可以使用。。。。。。
