CentOS7安装Zabbix提示warning: /var/tmp/rpm-tmp.g6BfYD: Header V4 RSA/SHA512 Signature, key ID a14fe591: NOKEY

解决方法: 由于yum安装了旧版本的GPG keys造成的 [root@localhost ~]# rpm --import /etc/pki/rpm-gpg/RPM*

查询已安装的yum源 [root@localhost ~]# rpm -qa | grep zabbix zabbix-release-3.4-2.el7.noarch

删除yum源 [root@localhost ~]# rpm -e zabbix-release-3.4-2.el7.noarch