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Community Blog How to Install Zabbix Monitoring Server on Ubuntu 20.04

How to Install Zabbix Monitoring Server on Ubuntu 20.04

In this guide, we will show you how to set up a Zabbix monitoring server on Ubuntu 20.04.

By Hitesh Jethva, Alibaba Cloud Community Blog author.

Zabbix is a free, open-source, and high-performance monitoring tool for servers, applications, and network devices. It uses agents to collect system metrics. It also monitors standard services such as SMTP or HTTP services and supports host monitoring via SNMP, TCP, and ICMP checks. It is designed for real-time monitoring of thousands of servers, VMs, and network devices. It uses MySQL/MariaDB database to store its data and also supports encrypted communication between the server and connected clients.

In this tutorial, we will explain how to install the Zabbix monitoring server on Ubuntu 20.04.

Prerequisites

  • A fresh Alibaba Cloud instance with Ubuntu 18.04 installed.
  • A root password is set up to your instance.

Create a new ECS instance and connect to your instance as the root user.

Once you are logged into your Ubuntu 18.04 instance, run the following command to update your base system with the latest available packages.

apt-get update -y

Step 1 - Install LAMP Server

First, install the Apache, MariaDB, PHP and other required extensions with the following command:

apt-get install apache2 libapache2-mod-php mariadb-server php php-mbstring php-gd php-xml php-bcmath php-ldap php-mysql unzip curl gnupg2 -y

Once all the packages are installed, edit the php.ini file and make some changes:

nano /etc/php/7.4/apache2/php.ini

Change the following settings:

memory_limit 256M
upload_max_filesize 16M
post_max_size 16M
max_execution_time 300
max_input_time 300
max_input_vars 10000
date.timezone = Asia/Kolkata

Save and close the file then restart the Apache service to apply the changes:

systemctl restart apache2

Step 2 - Create a Database for Zabbix

Next, you will need to create a database and user for Zabbix. First, log into the MariaDB shell with the following command:

mysql

Once login, create a database and user with the following command:

CREATE DATABASE zabbixdb character set utf8 collate utf8_bin;
CREATE USER 'zabbixuser'@'localhost' IDENTIFIED BY 'password';

Next, grant all the privileges to the zabbixdb with the following command:

GRANT ALL PRIVILEGES ON zabbixdb.* TO 'zabbixuser'@'localhost' WITH GRANT OPTION;

Next, flush the privileges and exit from the MariaDB shell with the following command:

FLUSH PRIVILEGES;
EXIT;

Step 3 - Install and Configure Zabbix

By default, Zabbix is not available in the Ubuntu 20.04 standard repository. So you will need to install Zabbix repository in your system. You can install it with the following command:

wget https://repo.zabbix.com/zabbix/5.0/ubuntu/pool/main/z/zabbix-release/zabbix-release_5.0-1+focal_all.deb
dpkg -i zabbix-release_5.0-1+focal_all.deb

Next, update the repository and install the Zabbix server with the following command:

apt-get update -y
apt-get install zabbix-server-mysql zabbix-frontend-php zabbix-agent zabbix-apache-conf -y

Once all the packages are installed, start the Zabbix service and enable it to start at system reboot with the following command:

systemctl start zabbix-server
systemctl enable zabbix-server

Next, you will need to import the Zabbix database schema. You can import it with the following command, please note you will be prompted for the MySQL password created earlier.

cd /usr/share/doc/zabbix-server-mysql
zcat create.sql.gz | mysql -u zabbixuser -p zabbixdb

Note: The zcat command can take several minutes to complete

Next, edit the Zabbix default configuration file and define the database settings:

nano /etc/zabbix/zabbix_server.conf

Change the following lines:

  DBHost=localhost
  DBName=zabbixdb
  DBUser=zabbixuser
  DBPassword=password

Note: You will need to uncomment # DBHost and DBPassword

Save and close the file then restart the Zabbix and Apache service with the following command:

systemctl restart zabbix-server
systemctl restart apache2

Step 4 - Configure Zabbix Agent

Next, you will also need to configure Zabbix agent in your system. You can configure it by editing the file zabbix_agentd.conf:

nano /etc/zabbix/zabbix_agentd.conf

Change the following lines:

Server = 127.0.0.1
ServerActive = 127.0.0.1
Hostname = Zabbix Server

Save and close the file then start the Zabbix agent service and enable it to start at boot with the following command:

systemctl start zabbix-agent
systemctl enable zabbix-agent

Step 5 - Access Zabbix Dashboard

Now, open your web browser and access the Zabbix dashboard using the URL http://your-server-ip/zabbix. You will be redirected to the Zabbix welcome page:
image1

Click on the Next step button. You should get the following page:
image2

Make sure all the required PHP extensions are installed then click on the Next step button. You should see the following page:
image3

Provide your database details and click on the Next step button. You should see the following page:

image4

Provide your Zabbix server details and click on the Next step button.
image5

Next, confirm all configurations and click on the Next step button. Once the installation has been completed, you should see the following page:

image6

Click on the Finish button. You will be redirected to the Zabbix login page:
image7

Provide the default username as Admin and password as Zabbix then click on the Sign-in button. You should see the Zabbix dashboard in the following page:
image8

Conclusion

Congratulations! you have successfully installed and configured the Zabbix monitoring server on Ubuntu 20.04. You can now install Zabbix agents on more client systems and start monitoring them from the Zabbix dashboard.

I hope you can now easily deploy the Zabbix monitoring server on the Cloud Environment and start monitoring servers.

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Hiteshjethva

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Comments

Arman Ali June 1, 2021 at 7:27 am

Hey Hitesh,Thanks for sharing this article.

Hiteshjethva

38 posts | 4 followers

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