Ubuntu 18.04
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Zabbix 3.0 : Install2018/06/29
 
Install Zabbix 3.0 which is an enterprise open source monitoring system.
It's possible to monitor not only Linux but Windows, Solaris, IBM AIX and others.
[1]
Install Apache httpd, refer to here.
[2]
Install PHP, refer to here.
[3]
Install MariaDB server, refer to here.
[4] Install Zabbix server. To monitor Zabbix itself, Install Zabbix Agent, too.
root@dlp:~#
apt -y install zabbix-server-mysql zabbix-agent zabbix-frontend-php php-mysql php-gd php-xml-util php-bcmath php-net-socket php-gettext

[5] Create a database for Zabbix.
root@dlp:~#
mysql 

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 39
Server version: 10.1.29-MariaDB-6 Ubuntu 18.04

Copyright (c) 2000, 2017, Oracle, MariaDB Corporation Ab and others.

Type 'help;' or '\h' for help. Type '\c' to clear the current input statement.

MariaDB [(none)]> create database zabbix;
Query OK, 1 row affected (0.00 sec)

MariaDB [(none)]> grant all privileges on zabbix.* to zabbix@'localhost' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> grant all privileges on zabbix.* to zabbix@'%' identified by 'password'; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> flush privileges; 
Query OK, 0 rows affected (0.00 sec)

MariaDB [(none)]> exit
Bye
root@dlp:~#
cd /usr/share/zabbix-server-mysql

root@dlp:/usr/share/zabbix-server-mysql#
gunzip *.sql.gz

root@dlp:/usr/share/zabbix-server-mysql#
mysql zabbix < schema.sql

root@dlp:/usr/share/zabbix-server-mysql#
mysql zabbix < images.sql

root@dlp:/usr/share/zabbix-server-mysql#
mysql zabbix < data.sql

[6] Configure and start Zabbix Server.
root@dlp:~#
vi /etc/zabbix/zabbix_server.conf
# line 91: make sure DB name

DBName=zabbix
# line 107: make sure DB user

DBUser=zabbix
# line 115: uncomment and change DB password for Zabbix

DBPassword=
password
root@dlp:~#
systemctl restart zabbix-server
[7] Configure and start Zabbix Agent to monitor Zabbix Server itself.
root@dlp:~#
vi /etc/zabbix/zabbix_agentd.conf
# line 147: change to your own hostname

Hostname=
dlp.srv.world
root@dlp:~#
systemctl restart zabbix-agent
[8] Change some settings for PHP and Apache2.
root@dlp:~#
vi /etc/php/7.2/apache2/php.ini
# line 383: change to Zabbix requiements

max_execution_time =
300
# line 393: change to Zabbix requiements

max_input_time =
300
# line 672: change to Zabbix requiements

post_max_size =
16M
root@dlp:~#
vi /etc/apache2/conf-available/zabbix-frontend-php.conf
# line 10: add access permittion for Zabbix Web frontend site

#
Require all granted
Require ip 127.0.0.1 10.0.0.0/24
root@dlp:~#
a2enconf zabbix-frontend-php 

Enabling conf zabbix-frontend-php.
To activate the new configuration, you need to run:
  systemctl reload apache2
root@dlp:~#
systemctl restart apache2
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