Com git instalado e com usuário root, siga o procedimento abaixo:
yum install git -y
cd /root
git clone https://github.com/antonionovaesjr/monitoring-ssl-zabbix.git
mkdir -p /home/zabbix
chown zabbix:zabbix -R /home/zabbix
usermod -d /home/zabbix zabbix
mkdir /etc/zabbix/script/ssl -p
cp -v monitoring-ssl-zabbix/userparameter_ssl.conf /etc/zabbix/zabbix-agent.d/
cp -v monitoring-ssl-zabbix/ssl/* /etc/zabbix/script/ssl/
chmod 755 -R /etc/zabbix/script/ssl
chown zabbix:zabbix -R /etc/zabbix
systemctl restart zabbix-agent
Importe o template no zabbix e aplique no host desejado