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  • Zabbix Upgrade Procedure from 2.4 to 3.0 on CentOS 7
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25 Mar2016

Zabbix Upgrade Procedure from 2.4 to 3.0 on CentOS 7

Posted in Linux Software Tutorials

In this tutorial I will show you how to upgrade your Zabbix 2.4 installation to Zabbix 3.0. Zabbix 3.0 has many improvements including a redesigned web interface. The upgrade procedure is on CentOS 7.

Step 1

First we need to stop Zabbix server to prevent any new data from being added to the database.

service zabbix-server stop

Step 2

Create a backup directory & take a backup of your MySQL database. You might be tempted to skip this step.. don't!

mkdir /zabbixbackup
mysqldump -uzabbix -pzabbix zabbix > /zabbixbackup/zabbix.sql

Ensure that you use your own MySQL username & password for the MySQL dump.

Step 3

Take a backup of your /etc/zabbix directory. Just zip the entire folder and also save it in your /zabbixbackup directory.

zip -r /zabbixbackup/zabbixconf.zip /etc/zabbix/

Step 4

Make a copy of your zabbix.conf file.

cp /etc/httpd/conf.d/zabbix.conf /zabbixbackup

Step 5

Make a backup of your Zabbix binaries. Again we can just zip everything and save to our backup directory.

zip -r /zabbixbackup/zabbixbinaries.zip /usr/share/doc/zabbix*

Step 6

Remove the Zabbix 2.4 Repo.

rpm -e zabbix-release-2.4*

Step 7

Install the new repo configuration file & clean the yum cache.

rpm -ivh http://repo.zabbix.com/zabbix/3.0/rhel/7/x86_64/zabbix-release-3.0-1.el7.noarch.rpm
yum clean all

Step 8

Upgrade Zabbix

yum -y upgrade zabbix-server-mysql zabbix-web-mysql zabbix-server zabbix-agent

Step 9

Start Zabbix server.

service zabbix-server start

The database will automatically upgrade. If your database is large it may take a while. You can see the progress in /var/log/zabbix/zabbix_server.log.

Ensure that all your configuration files are correct after which you can access your new Zabbix 3.0 installation via your web browser.

http://your_server_ip/zabbix

You should now see the brand new web interface (screenshot below). Have fun monitoring!

zabbix30

Zabbix 3.0 Interface

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