Zabbix 5.0 : Add Monitoring Target (CentOS)2020/06/23

	Add Monitoring Target Host. Add a CentOS 8 server as an example on here.
[1]	Install Zabbix Agent on the server you'd like to add for monitoring target.

[root@node01 ~]#

dnf -y install https://repo.zabbix.com/zabbix/5.0/rhel/8/x86_64/zabbix-release-5.0-1.el8.noarch.rpm

[root@node01 ~]#

dnf -y install zabbix-agent

[root@node01 ~]#

vi /etc/zabbix/zabbix_agentd.conf

# line 119: specify Zabbix server

Server=

10.0.0.30

# line 160: specify Zabbix server

ServerActive=

10.0.0.30

# line 171: change to the own hostname

Hostname=

node01.srv.world

[root@node01 ~]#

systemctl enable --now zabbix-agent

[2]	If SELinux is enabled, change policy.

[root@node01 ~]#

setsebool -P domain_can_mmap_files on

[root@node01 ~]#

vi zabbix_agent.te

# create new

module zabbix_agent 1.0;

require {
        type zabbix_agent_t;
        type rpm_exec_t;
        type rpm_var_lib_t;
        class file { execute execute_no_trans map open };
}

#============= zabbix_agent_t ==============
allow zabbix_agent_t rpm_var_lib_t:file open;
allow zabbix_agent_t rpm_exec_t:file { execute execute_no_trans map };

[root@node01 ~]#

checkmodule -m -M -o zabbix_agent.mod zabbix_agent.te

[root@node01 ~]#

semodule_package --outfile zabbix_agent.pp --module zabbix_agent.mod

[root@node01 ~]#

semodule -i zabbix_agent.pp

[3]	If Firewalld is running, allow Zabbix related ports.

[root@node01 ~]#

firewall-cmd --add-port=10050/tcp --permanent

success
[root@node01 ~]#

firewall-cmd --reload

success

[4]	Login to Zabbix admin site with [Admin] user and select [Configuration] - [Hosts] on the left pane, then click [Create Host] button on the right pane.

[5]	Input a hostname for [Hostname] field, input any name you like for [Visible name] field, select a group or add a new group for [Groups] field, input IP address and DNS name for [Interfaces] field. For other fields are optional. If it's OK all, move to [Templates] tab.

[6]	Click [Select] button.

[7]	Click [Select] button again.

[8]	Select [Templates/Operating systems].

[9]	Select [Template OS Linux by Zabbix agent active].

[10]	Confirm the template added and click [Add] button.

[11]	New monitoring target is added. After few minutes, monitoring data are collected like follows.

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