=====================================================================================================故障现象 : 无法连接 mysql 错误信息 :ERROR 1045 (28000): Access denied for user 'usera'@'localhost' (using password:YES)原因 : 用户账号并未创建检查 :以管理员ROOT登录后,show grants f
参考此文档:http://www.jb51.net/article/116032.htm http://www.jb51.net/article/95399.htm 1.在官网下载mysql57-community-release-el7-11.noarch.rpm rpm -ivh mysql57-community-release-el7-11.noarch.rpm 2.MySQL has a dependency on the libaio library. yum install li