安装Mysql报错:Header V3 DSA/SHA1 Signature, key ID 5072e1f5: NOKEY 问题解决
2019-06-13 14:45
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前言
解决Mysql安装到mysql-community-server-5.7.26-1.el6.x86_64.rpm最后一个rpm包时报错的问题。
如果你想参考此博文解决办法,请务必仔细看以下几条自身是否符合,对症下药,也是对大家负责。
(1)你是CentOS7系统吗(起点)?
(2)你ping自己的IP地址可以通吗(保障)?
(3)你是通过rpm包方式装Mysql吗(方式)?
(4)你是从Mysql官网下载的rpm包吗(权威)?
(5)你红帽安装rpm包吗(版本)?
如果你全部符合(3点以上也可以尝试),应该准备以下文件:
重返现场(排查分析)
一、检查现有mariadb安装包
rpm -qa|grep mariadb
如果有,则删除(注意mariadb版本,以显示的为准)
rpm -e --nodeps mariadb-libs-5.5.56-2.el7.x86_64
二、开始安装前4个rpm包
注意:它们之间相互依赖,所以要按照顺序依次安装。
rpm -ivh mysql-community-common-5.7.26-1.el6.x86_64.rpm rpm -ivh mysql-community-libs-5.7.26-1.el6.x86_64.rpm rpm -ivh mysql-community-client-5.7.26-1.el6.x86_64.rpm rpm -ivh mysql-community-server-5.7.26-1.el6.x86_64.rpm
报错了
执行第四条:【rpm -ivh mysql-community-server-5.7.26-1.el6.x86_64.rpm】命令时,系统会报错:
问题分析
这是由于yum安装了旧版本的GPG keys所造成,从rpm版本4.1后,在安装或升级软件包时会自动检查软件包的签名。
末尾加上–force --nodeps即可解决
rpm -ivh mysql-community-server-5.7.26-1.el6.x86_64.rpm --force --nodeps
使用这一行命令来安装最后一个rpm包即可完成安装。
最后检查
rpm -qa | grep mysql
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