安装mysql8.0流程,及报错、缺少依赖处理
安装mysql8.0
1. 先下载了 mysql-community-server-8.0.18-1.el7.x86_64.rpm
2. 执行命令:rpm -ivh mysql-community-server-8.0.18-1.el7.x86_64.rpm
报错:
3. 缺少依赖,百度了一下,执行命令:yum -y install numactl
少了,但还是有报错:
缺少两个包,下载下来:
wget -c https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-community-client-8.0.18-1.el7.x86_64.rpm
wget -c https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-community-common-8.0.18-1.el7.x86_64.rpm
然后安装,根据提示,少什么就装什么,最后,安装好mysql-community-server-8.0.18-1.el7.x86_64.rpm以后,执行命令:
systemctl start mysqld
systemctl enable mysqld
systemctl daemon-reload
就ok了!
4. 安装好mysql以后,登录不上去,怎么办?
在安装的日志文件里,包含系统生成的密码。/var/log/mysqld.log里面,搜索 temporary password 关键字,就能查到。
5. 登录进去,需要修改密码,sql语句:
alter user 'root'@'localhost' identified by '123456';