批量安装：

#!/bin/sh
Server=10.16.8.8
ServerActive=10.16.8.8:10050
ip_array=("hostnamerenwole1" "hostnamerenwole2")

for ip in ${ip_array[*]}
do
zabbix=$(ssh $ip 'find /etc -name zabbix_agentd.conf')
if [ -f $zabbix ];then
ssh $ip 'rpm -ivh //repo.zabbix.com/zabbix/3.4/rhel/7/x86_64/zabbix-release-3.4-2.el7.noarch.rpm ; yum -y install zabbix-agent'
else
echo "Already exist, no need to install"
fi
ssh $ip '
sed -i "s#Server=.*#Server='$Server'#" /etc/zabbix/zabbix_agentd.conf
sed -i "s#ServerActive=.*#ServerActive='$ServerActive'#" /etc/zabbix/zabbix_agentd.conf
sed -i "s#Hostname=.*#Hostname='$ip'#" /etc/zabbix/zabbix_agentd.conf
sed -i "s/# UserParameter=/UserParameter=/g" /etc/zabbix/zabbix_agentd.conf
sed -i "s#UserParameter=.*#UserParameter=pro.check,sh /renwole/Apps/check.sh|wc -c#" /etc/zabbix/zabbix_agentd.conf
chmod -R 777 /etc/zabbix/zabbix_agentd.conf
systemctl restart zabbix-agent
'
done

交互式安装：

#cat /renwole/bin/Zabbix_Agent_Single.sh
#!/bin/sh
read -p "Please enter the HostName:" HostName
Server=10.16.8.8
ServerActive=10.16.8.8:10050
zabbix=$(ssh $HostName 'find /etc -name zabbix_agentd.conf')
if [ -f $zabbix ];then
ssh $HostName 'rpm -ivh //repo.zabbix.com/zabbix/3.4/rhel/7/x86_64/zabbix-release-3.4-2.el7.noarch.rpm ; yum -y install zabbix-agent'
else
echo "Already exist, no need to install"
fi
ssh $HostName '
sed -i "s#Server=.*#Server='$Server'#" /etc/zabbix/zabbix_agentd.conf
sed -i "s#ServerActive=.*#ServerActive='$ServerActive'#" /etc/zabbix/zabbix_agentd.conf
sed -i "s#Hostname=.*#Hostname='$HostName'#" /etc/zabbix/zabbix_agentd.conf
sed -i "s/# UserParameter=/UserParameter=/g" /etc/zabbix/zabbix_agentd.conf
sed -i "s#UserParameter=.*#UserParameter=pro.check,sh /renwole/Apps/check.sh|wc -c#" /etc/zabbix/zabbix_agentd.conf
systemctl restart zabbix-agent
'