Checks to see if Zabbix is installed and if not, installs it. Covers Centos and Ubuntu, but can be extended for other Linux flavors fairly easily.

Evaluation code:

#!/bin/bash


service=zabbix_agent





if (( $(ps -ef | grep -v grep | grep $service | wc -l) > 0 ))


then


exit 0


else


exit 1


fi

Remediation code:

#!/bin/bash





#Get OS


os_id="$(grep -w ID /etc/os-release | cut -d'=' -f2)"





#Functions


centos () {


	if [ $os_ver == '8.0' ]; then


    	#Remove all dirty packages


    	rpm -e zabbix-release-*


        


		#Get the Package


		rpm -Uvh http://repo.zabbix.com/zabbix/4.0/rhel/8/x86_64/zabbix-release-4.0-2.el8.noarch.rpm


		


		#Clean and Install with Yum


        yum clean all


		yum -y install zabbix-agent





		#Overwrite the conf file with attached


		cp zabbix_agentd.conf /etc/zabbix/zabbix_agentd.conf


		


		#Edit config to personalize for new system


		CONFIGPATH="/etc/zabbix/zabbix_agentd.conf"


		TARGET_KEY="Hostname"


		REPLACEMENT_VALUE="$(hostname)"


		sed -c -i "s/\($TARGET_KEY *= *\).*/\1$REPLACEMENT_VALUE/" $CONFIGPATH





		#Enable Zabbix as Service (Automatic Startup at Boot)


		systemctl enable zabbix-agent





		#Start the agent


		systemctl start zabbix-agent


        


    fi





	if [ $os_ver == '7' ]; then


    	#Remove all dirty packages


    	rpm -e zabbix-release-*


        


		#Get the Package


		rpm -Uvh http://repo.zabbix.com/zabbix/4.0/rhel/7/x86_64/zabbix-release-4.0-1.el7.noarch.rpm


		


		#Clean and install with Yum


        yum clean all


		yum -y install zabbix-agent





		#Overwrite the conf file with attached


		cp zabbix_agentd.conf /etc/zabbix/zabbix_agentd.conf


		


		#Edit config to personalize for new system


		CONFIGPATH="/etc/zabbix/zabbix_agentd.conf"


		TARGET_KEY="Hostname"


		REPLACEMENT_VALUE="$(hostname)"


		sed -c -i "s/\($TARGET_KEY *= *\).*/\1$REPLACEMENT_VALUE/" $CONFIGPATH





		#Enable Zabbix as Service (Automatic Startup at Boot)


		systemctl enable zabbix-agent





		#Start the agent


		systemctl start zabbix-agent


        


    fi


	


	if [ $os_ver == '6' ]; then


    	#Remove all dirty packages


	    rpm -e zabbix-release-*


    


		#Get the Package


        wget https://repo.zabbix.com/zabbix/4.0/rhel/6/x86_64/zabbix-release-4.0-2.el6.noarch.rpm


		rpm -Uvh zabbix-release-4.0-2.el6.noarch.rpm


		


		#Clean and install with Yum


        yum clean all


		yum -y install zabbix-agent


		


		#Overwrite the conf file with attached


		cp zabbix_agentd.conf /etc/zabbix/zabbix_agentd.conf


		


		#Edit config to personalize for new system


		CONFIGPATH="/etc/zabbix/zabbix_agentd.conf"


		TARGET_KEY="Hostname"


		REPLACEMENT_VALUE="$(hostname)"


		sed -c -i "s/\($TARGET_KEY *= *\).*/\1$REPLACEMENT_VALUE/" $CONFIGPATH


		


		#Enable Zabbix as Service (Automatic Startup at Boot)


		service zabbix-agent enable


		


		#Start the agent


		service zabbix-agent start


		


	fi


}





ubuntu () {


	#Get the Package


	#wget https://repo.zabbix.com/zabbix/4.0/ubuntu/pool/main/z/zabbix-release/zabbix-release_4.0-3+bionic_all.deb


	#dpkg -i zabbix-release_4.0-3+bionic_all.deb





	#Install with apt


	apt-get update


	apt-get -y install zabbix-agent





	#Overwrite the conf file with attached


	cp zabbix_agentd.conf /etc/zabbix/zabbix_agentd.conf


	


	#Edit config to personalize for new systemctl


	CONFIGPATH="/etc/zabbix/zabbix_agentd.conf"


	TARGET_KEY="Hostname"


	REPLACEMENT_VALUE="$(hostname)"


	sed -i "s/\($TARGET_KEY *= *\).*/\1$REPLACEMENT_VALUE/" $CONFIGPATH


	


	#Restart Zabbix Agent


	service zabbix-agent restart


}





#Find OS and Forward to Appropriate Function


if (os_id == "ubuntu")


	then


		ubuntu


	else


    	os_ver="$(rpm -q centos-release | cut -d'-' -f3)"


		centos


fi





exit 0

Note for the Ubuntu section, the wget is commented out. If the Zabbix package isn’t already in your Ubuntu install, then uncomment that line.