Zabbix Frontpage not displaying after installation. Zabbix installation on Ubuntu 18.04.4.

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After installing Zabbix , one may access the Zabbix Frontpage setting by http://IP_Address/zabbix/

However, if the page does not load and instead shows some text like below:

"[T_ZBX_STR, O_NO, null, null, 'isset({enter})', _('Username')], 'password' => [T_ZBX_STR, O_OPT, null, null, 'isset({enter})'], 'sessionid' => [T_ZBX_STR, O_OPT, null, null, null], 'reconnect' => [T_ZBX_INT, O_OPT, P_SYS|P_ACT, BETWEEN(0, 65535), null], 'enter' => [T_ZBX_STR, O_OPT, P_SYS, null, null], 'autologin' => [T_ZBX_INT, O_OPT, null, null, null], 'request' => [T_ZBX_STR, O_OPT, null, null, null] ]; check_fields($fields); // logout if (isset($_REQUEST['reconnect'])) { DBstart(); add_audit_details(AUDIT_ACTION_LOGOUT, AUDIT_RESOURCE_USER, CWebUser::$data['userid'], '', _('Manual Logout'), CWebUser::$data['userid'] ); DBend(true); CWebUser::logout(); redirect('index.php'); } $config = select_config(); if ($config['authentication_type'] == ZBX_AUTH_HTTP) .............................................................

 One probable issue could be that some of the php modules may not be enabled. So to enable the php modules, run the following:

 $ sudo a2enmod php7.2    (php7.2 is the php version you are running,  use php -v, to check version )

 $ systemctl restart apache2    // to restart the apache2

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