报错信息：
[root@localhost ~]# wget https://mirrors.tuna.tsinghua.edu.cn/zabbix/zabbix/5.0/rhel/6/x86_64/zabbix-agent-5.0.0-1.el6.x86_64.rpm
[root@localhost ~]# rpm -ivh zabbix-agent-5.0.0-1.el6.x86_64.rpm
警告：zabbix-agent-5.0.0-1.el6.x86_64.rpm: 头V4 RSA/SHA512 Signature, 密钥 ID a14fe591: NOKEY
错误：依赖检测失败：
libpcre.so.0()(64bit) 被 zabbix-agent-5.0.0-1.el6.x86_64 需要
解决方法：
使用Zabbix 5.0 Yum源文件安装zabbix-agent 5.0软件，并且将gpgcheck=1修改为gpgcheck=0，防止出现“获取GPG密钥失败”报错。
安装Zabbix Yum源仓库
[root@localhost ~]# rpm -Uvh https://repo.zabbix.com/zabbix/5.0/rhel/7/x86_64/zabbix-release-5.0-1.el7.noarch.rpm
[root@localhost ~]# yum clean all
修改Zabbix 5.0 Yum源配置文件：
[root@localhost ~]# vim /etc/yum.repos.d/zabbix.repo
[zabbix]
name=Zabbix Official Repository - $basearch
baseurl=http://repo.zabbix.com/zabbix/5.0/rhel/7/$basearch/
enabled=1
gpgcheck=0 //修改gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
[zabbix-frontend]
name=Zabbix Official Repository frontend - $basearch
baseurl=http://repo.zabbix.com/zabbix/5.0/rhel/7/$basearch/frontend
enabled=1
gpgcheck=0 //修改gpgcheck=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
[zabbix-debuginfo]
name=Zabbix Official Repository debuginfo - $basearch
baseurl=http://repo.zabbix.com/zabbix/5.0/rhel/7/$basearch/debuginfo/
enabled=0
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX-A14FE591
gpgcheck=0 //修改gpgcheck=0
[zabbix-non-supported]
name=Zabbix Official Repository non-supported - $basearch
baseurl=http://repo.zabbix.com/non-supported/rhel/7/$basearch/
enabled=1
gpgkey=file:///etc/pki/rpm-gpg/RPM-GPG-KEY-ZABBIX
gpgcheck=0 //修改gpgcheck=0
[root@localhost ~]# yum -y install zabbix-agent //安装zabbix-agent 5.0软件
已加载插件：fastestmirror
Repository base is listed more than once in the configuration
Repository updates is listed more than once in the configuration
Repository extras is listed more than once in the configuration
Loading mirror speeds from cached hostfile
* epel: mirrors.yun-idc.com
zabbix | 2.9 kB 00:00:00
zabbix-frontend | 2.9 kB 00:00:00
zabbix-non-supported | 951 B 00:00:00
正在解决依赖关系
--> 正在检查事务
---> 软件包 zabbix-agent.x86_64.0.5.0.0-1.el7 将被 安装
--> 解决依赖关系完成
依赖关系解决
=====================================================================================================================
Package 架构 版本 源 大小
=====================================================================================================================
正在安装:
zabbix-agent x86_64 5.0.0-1.el7 zabbix 440 k
事务概要
=====================================================================================================================
安装 1 软件包
总计：440 k
安装大小：1.8 M
Downloading packages:
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
正在安装 : zabbix-agent-5.0.0-1.el7.x86_64 1/1
验证中 : zabbix-agent-5.0.0-1.el7.x86_64 1/1
已安装:
zabbix-agent.x86_64 0:5.0.0-1.el7
完毕！
