Zabbix on nagg.eu

Monitoring DNS BIND with Zabbix

Wed, 17 Aug 2022 00:00:00 +0000

Shockingly enough out of the box Zabbix (version 6) does not include any template to monitor a very crucial compontent every organization: DNS.
Like most open source aficionado my DNS of choice is BIND named.
Luckily Zabbix has a pretty huge community and plenty of templates for it are freely available, a quick search on the interwebz lead me to this page.
Kudos to whoever wrote this template, I just took it and tweaked it a little bit.

Zabbix and XMPP alerts

Mon, 23 Oct 2017 17:44:14 +0000

Zabbix should theoretically be able out of the box to send alerts via XMPP.
For some reason this functionality does not work as intended, luckily it is possible to specify a custom script to send alerts; combining the aforementioned script with the Perl library sendxmpp is the easiest way to enable Zabbix from sending notifications via XMPP.

$ yum install sendxmpp

Create a bash script, this will be invoked by Zabbix to send notifications:

Zabbix server on CentOS 7 and SELinux

Mon, 23 Oct 2017 11:28:46 +0000

Zabbix is an open source resource and network monitoring system, more info: zabbix.com.
The official wiki is missing some important bits regarding the installation of the tool on CentOS 7 systems.
First of all, let’s add Zabbix repository and then proceed to with the installation of Zabbix and some required dependecies:

$ rpm -ivh http://repo.zabbix.com/zabbix/3.4/rhel/7/x86_64/zabbix-release-3.4-1.el7.centos.noarch.rpm
$ yum install mariadb mariadb-server httpd zabbix-server-mysql zabbix-web-mysql setroubleshoot

Zabbix on nagg.eu

Monitoring DNS BIND with Zabbix

Zabbix and XMPP alerts

Zabbix server on CentOS 7 and SELinux

Configure MariaDB