How To Setup Zabbix Monitoring tool on Ubuntu 20.04.

Zabbix is a free & open-source monitoring tool.It is used for networks, servers, virtual machines and cloud services.It provides monitoring metrics,network utilization, CPU load and disk space.

Install Zabbix Server on Ubuntu

Update the System.

apt-get update

Install apche2 web service.

apt-get install apache2

Start & Enable Apache2 service.

systemctl start apache2
systemctl enable apache2

Install Mysql database.

Update the System.

apt-get update

Install Mysql database.

apt-get install mysql-server

Start & Enable Mysql service.

systemctl start mysql
systemctl enable mysql

Login to Mysql database.

mysql -u root

Press Enter.

Here is the command output.

 

Fig 1

Create MySQL user & set the password on MySQL user.

CREATE USER 'zabbix_user'@'localhost' IDENTIFIED BY 'password';

Create Database & provide the CHARSET.

CREATE DATABASE zabbix_db character set utf8 collate utf8_bin;

Provide Grant all Privileges on database to user.

GRANT ALL PRIVILEGES ON zabbix_db.* TO 'zabbix_user'@'localhost' WITH GRANT OPTION;

Flush the privileges.

FLUSH PRIVILEGES;

If we want to create MySQL user,database & Set the password without MySQL Login.Run the Following commands.

mysql -u root -e "CREATE USER 'zabbix_user'@'localhost' IDENTIFIED BY 'password';"
mysql -u root -e "CREATE DATABASE zabbix_db character set utf8 collate utf8_bin;"
mysql -u root -e "GRANT ALL PRIVILEGES ON zabbix_db.* TO'zabbix_user'@'localhost';"
mysql -u root -e "FLUSH PRIVILEGES;"

Install PHP

Update the system

apt-get update

Install PHP.

apt-get install php php-mbstring php-gd php-xml php-bcmath php-ldap php-mysql

Check PHP modules.

php -m

Check PHP version.

php -v

Here is the command output.

PHP 7.4.3 (cli) ( NTS )
Copyright (c) The PHP Group
Zend Engine v3.4.0, Copyright (c) Zend Technologies
    with Zend OPcache v7.4.3, Copyright (c), by Zend Technologies

Open configure PHP file.

vim /etc/php/7.4/apache2/php.ini

Modify the following values:

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

Restart the apache service.

systemctl restart apache2

Download  the zabbix repo.

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

Enable the downloaded zabbix repository,

dpkg -i zabbix-release_5.0-1+focal_all.deb

Update the packages:

apt-get update

Install Zabbix Server.

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

Open the Configuration file of zabbix.

 vim /etc/zabbix/zabbix_server.conf

Modify the follwoing values:

DBHost=localhost
DBName=zabbix_db
DBUser=zabbix_user
DBPassword=password

Load the default parameter of the Zabbix database.

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

Then Provide zabbix user password.

Enable & Restart the zabbix service.

systemctl enable zabbix-server
systemctl restart zabbix-server

Restart the apache service.

systemctl restart apache2

Open the following port number on ufw firewall.

ufw allow 80/tcp
ufw allow 10050/tcp
ufw allow 10051/tco

Access Zabbix web-interface

http://server-ip/zabbix

Here is the output.

  • Click on Next step.

 

Fig 2

 

  • Check pre-requisites.
  • Click on Next step.

 

Fig 1

 

  • Provide the zabbix db details: user-name ,db name & password.
  • Click on Next Step.

 

Fig. 3

 

  • Provide the host name.
  • Click on Next step.

 

Fig. 3

 

  • Check the configuration parameters.
  • Click on Next step.

 

Fig. 5

 

  • zabbix.conf.php file is missing.
  • Click on Download the configuration file.
  • Set the file path  /usr/share/zabbix/conf/zabbix.conf.php.
  • Click on Finish.

 

Fig. 6

 

  • zabbix.conf.php file is successfully installed.
  • Click on Finish.

 

Fig. 7

 

  • Login to zabbix server.
  • By default,user-name: Admin & Password is zabbix.

 

  • Now Zabbix server is Ready.

 

Fig. 8

 

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