Zabbix 7.4 : Add Monitoring Target (CentOS)2025/07/18 |
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Add Monitoring Target Host. Add a CentOS Stream 10 server as an example on here. |
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| [1] | Install Zabbix Agent on the server you'd like to add for monitoring target. |
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[root@node01 ~]#
dnf -y install https://repo.zabbix.com/zabbix/7.4/release/centos/10/noarch/zabbix-release-latest-7.4.el10.noarch.rpm [root@node01 ~]# dnf --disablerepo=epel -y install zabbix-agent2
[root@node01 ~]#
vi /etc/zabbix/zabbix_agent2.conf # line 82 : specify Zabbix server Server= 10.0.0.30
# line 135 : specify Zabbix server ServerActive= 10.0.0.30
# line 146 : change to your hostname Hostname= node01.srv.world
systemctl enable --now zabbix-agent2 |
| [2] | If SELinux is enabled, change policy. |
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[root@node01 ~]# setsebool -P domain_can_mmap_files on |
| [3] | If Firewalld is running, allow Zabbix related ports. |
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[root@node01 ~]# firewall-cmd --add-port=10050/tcp success [root@node01 ~]# firewall-cmd --runtime-to-permanent success |
| [4] | Login to Zabbix admin site with [Admin] user and select [Data collection] - [Hosts] on the left pane, then click [Create Host] button on the right pane. |
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| [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 monitoring items, there are many templates, click [Select] button that is in [Templates] field. |
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| [6] | Click [Select] button. |
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| [7] | Select [Templates/Operating systems]. |
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| [8] | Select [Template OS Linux by Zabbix agent active]. The difference between having [active] and not having it is that without [active], the Zabbix server requests the Zabbix agent to send data and the data is sent, while with [active], the Zabbix agent sends data to the Zabbix server according to the configuration. There is not much difference in the items that can be monitored, but with [active], log monitoring is also possible, so set it with [active] on here. However, when there are a large number of hosts to be monitored, you must also consider the load on the Zabbix server when setting with [active]. |
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| [9] | After setting items, click [Add] button. |
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| [10] | New monitoring target host is added. After few minutes, monitoring data are collected like follows. |
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