====== Instalação Distribuída ======
<code>
+-------------+       +-------------+       +-------------+
|  DB Server  |       |  ZBServer   |       |    ZBWeb    |
|172.16.200.50|       |172.16.200.60|       |172.16.200.70|
+-------------+       +-------------+       +-------------+
     ↑  ↑                  ↑  ↑                   ↑  ↑
     |  |                  |  |                   |  |
     |  +------------------+  +-------------------+  |
     +-----------------------------------------------+
</code>

===== Preparando o DB Server =====
Instalação PostgreSQL:[[installcentos|Instalação no CentOS]]
<code bash>
# vim /var/lib/pgsql/data/pg_hba.conf
[...]
# Zabbix
host	zabbix		zabbix		172.16.200.0/24		md5
[...]
</code>

<code sql>
postgres=# CREATE DATABASE zabbix;
CREATE DATABASE
postgres=# CREATE ROLE zabbix LOGIN;
CREATE ROLE
postgres=# \password zabbix
Digite nova senha: 
Digite-a novamente: 
postgres=# \q
</code>

Testando a conexão
<file bash>
# systemctl restart postgresql.service

# psql -U zabbix zabbix
Senha para usuário zabbix: 
psql (9.2.10)
Digite "help" para ajuda.

zabbix=> \q
</file>

===== Zabbix Server =====
Adicionando o repositório Epel
<file bash>
# yum install epel-release
</file>

Instação do pacotes
<file bash>
# yum install zabbix22-server-pgsql zabbix22-server zabbix22 zabbix22-dbfiles-pgsql zabbix22-agent
</file>

Configuração do firewallD
<file bash>
# firewall-cmd --add-rich-rule 'rule family="ipv4" source address="172.16.200.0/24" port port="10051" protocol="tcp" accept' --permanent accept' --permanent
# firewall-cmd --add-rich-rule 'rule family="ipv4" source address="172.16.200.0/24" port port="10051" protocol="udp" accept' --permanent
success
</file>

<file bash>
# firewall-cmd --reload
success
</file>

Configuração da comunicação com o DataBase

<code bash>
# vim /etc/zabbix_server.conf
[...]
DBHost=pgsql.rascunhos.wiki.br
[...]
DBName=zabbix
[...]
DBUser=zabbix
[...]
DBPassword=senha
[...]
#DBSocket=/var/lib/mysql/mysql.sock # Comenta
[...]
DBPort=5432
[...]
</code>

Importando os bancos modelo
<file bash>
# cd /usr/share/zabbix-postgresql/
# scp data.sql images.sql schema.sql pgsql.rascunhos.wiki.br:/tmp
The authenticity of host 'pgsql.rascunhos.wiki.br (172.16.200.50)' can't be established.
ECDSA key fingerprint is d8:d7:78:aa:ab:3f:83:22:9c:a0:e4:8f:e5:59:f4:f3.
Are you sure you want to continue connecting (yes/no)? yes
Warning: Permanently added 'pgsql.rascunhos.wiki.br,172.16.200.50' (ECDSA) to the list of known hosts.
root@pgsql.rascunhos.wiki.br's password: 
data.sql                                                                                                                              100%  853KB 852.8KB/s   00:01    
images.sql                                                                                                                            100% 1933KB   1.9MB/s   00:00    
schema.sql                                                                                                                            100%  101KB 100.5KB/s   00:00    
</file>

Agora vamos passar para o DataBase Server
<file bash>
# cd /tmp/
# cat schema.sql | psql -U zabbix zabbix
Senha para usuário zabbix: 

# cat images.sql | psql -U zabbix zabbix
Senha para usuário zabbix: 

# cat data.sql | psql -U zabbix zabbix
Senha para usuário zabbix: 
</file>

Voltando ao Zabbix server vamos checar a importação e já testando a conexão remota com o usuário zabbix
<file bash>
# psql -h pgsql.rascunhos.wiki.br -U zabbix zabbix
Senha para usuário zabbix: 
psql (9.2.10)
Digite "help" para ajuda.

zabbix=> \dt
                 Lista de relações
 Esquema |         Nome          |  Tipo  |  Dono  
---------+-----------------------+--------+--------
 public  | acknowledges          | tabela | zabbix
 public  | actions               | tabela | zabbix
 public  | alerts                | tabela | zabbix
 public  | application_template  | tabela | zabbix
 public  | applications          | tabela | zabbix
 public  | auditlog              | tabela | zabbix
 public  | auditlog_details      | tabela | zabbix
 public  | autoreg_host          | tabela | zabbix
 public  | conditions            | tabela | zabbix
 public  | config                | tabela | zabbix
 public  | dbversion             | tabela | zabbix
 public  | dchecks               | tabela | zabbix
 public  | dhosts                | tabela | zabbix
 public  | drules                | tabela | zabbix
 public  | dservices             | tabela | zabbix
 public  | escalations           | tabela | zabbix
 public  | events                | tabela | zabbix
 public  | expressions           | tabela | zabbix
 public  | functions             | tabela | zabbix
 public  | globalmacro           | tabela | zabbix
 public  | globalvars            | tabela | zabbix
 public  | graph_discovery       | tabela | zabbix
 public  | graph_theme           | tabela | zabbix
 public  | graphs                | tabela | zabbix
 public  | graphs_items          | tabela | zabbix
 public  | group_discovery       | tabela | zabbix
 public  | group_prototype       | tabela | zabbix
 public  | groups                | tabela | zabbix
 public  | history               | tabela | zabbix
 public  | history_log           | tabela | zabbix
 public  | history_str           | tabela | zabbix
 public  | history_str_sync      | tabela | zabbix
 public  | history_sync          | tabela | zabbix
 public  | history_text          | tabela | zabbix
 public  | history_uint          | tabela | zabbix
 public  | history_uint_sync     | tabela | zabbix
 public  | host_discovery        | tabela | zabbix
 public  | host_inventory        | tabela | zabbix
 public  | hostmacro             | tabela | zabbix
 public  | hosts                 | tabela | zabbix
 public  | hosts_groups          | tabela | zabbix
 public  | hosts_templates       | tabela | zabbix
 public  | housekeeper           | tabela | zabbix
 public  | httpstep              | tabela | zabbix
 public  | httpstepitem          | tabela | zabbix
 public  | httptest              | tabela | zabbix
 public  | httptestitem          | tabela | zabbix
 public  | icon_map              | tabela | zabbix
 public  | icon_mapping          | tabela | zabbix
 public  | ids                   | tabela | zabbix
 public  | images                | tabela | zabbix
 public  | interface             | tabela | zabbix
 public  | interface_discovery   | tabela | zabbix
 public  | item_discovery        | tabela | zabbix
 public  | items                 | tabela | zabbix
 public  | items_applications    | tabela | zabbix
 public  | maintenances          | tabela | zabbix
 public  | maintenances_groups   | tabela | zabbix
 public  | maintenances_hosts    | tabela | zabbix
 public  | maintenances_windows  | tabela | zabbix
 public  | mappings              | tabela | zabbix
 public  | media                 | tabela | zabbix
 public  | media_type            | tabela | zabbix
 public  | node_cksum            | tabela | zabbix
 public  | nodes                 | tabela | zabbix
 public  | opcommand             | tabela | zabbix
 public  | opcommand_grp         | tabela | zabbix
 public  | opcommand_hst         | tabela | zabbix
 public  | opconditions          | tabela | zabbix
 public  | operations            | tabela | zabbix
 public  | opgroup               | tabela | zabbix
 public  | opmessage             | tabela | zabbix
 public  | opmessage_grp         | tabela | zabbix
 public  | opmessage_usr         | tabela | zabbix
 public  | optemplate            | tabela | zabbix
 public  | profiles              | tabela | zabbix
 public  | proxy_autoreg_host    | tabela | zabbix
 public  | proxy_dhistory        | tabela | zabbix
 public  | proxy_history         | tabela | zabbix
 public  | regexps               | tabela | zabbix
 public  | rights                | tabela | zabbix
 public  | screens               | tabela | zabbix
 public  | screens_items         | tabela | zabbix
 public  | scripts               | tabela | zabbix
 public  | service_alarms        | tabela | zabbix
 public  | services              | tabela | zabbix
 public  | services_links        | tabela | zabbix
 public  | services_times        | tabela | zabbix
 public  | sessions              | tabela | zabbix
 public  | slides                | tabela | zabbix
 public  | slideshows            | tabela | zabbix
 public  | sysmap_element_url    | tabela | zabbix
 public  | sysmap_url            | tabela | zabbix
 public  | sysmaps               | tabela | zabbix
 public  | sysmaps_elements      | tabela | zabbix
 public  | sysmaps_link_triggers | tabela | zabbix
 public  | sysmaps_links         | tabela | zabbix
 public  | timeperiods           | tabela | zabbix
 public  | trends                | tabela | zabbix
 public  | trends_uint           | tabela | zabbix
 public  | trigger_depends       | tabela | zabbix
 public  | trigger_discovery     | tabela | zabbix
 public  | triggers              | tabela | zabbix
 public  | user_history          | tabela | zabbix
 public  | users                 | tabela | zabbix
 public  | users_groups          | tabela | zabbix
 public  | usrgrp                | tabela | zabbix
 public  | valuemaps             | tabela | zabbix
(108 registros)

zabbix=> \q
</file>

Iniciando e habilitando o Zabbix Server e agent
<file bash>
# systemctl list-unit-files --type service | grep zabbix
zabbix-agent.service                        disabled
zabbix-server-pgsql.service                 disabled
zabbix-server.service                       disabled
</file>

<file bash>
# systemctl start zabbix-server-pgsql.service
# systemctl start zabbix-agent.service
</file>

<file bash>
# systemctl enable zabbix-server-pgsql.service
ln -s '/usr/lib/systemd/system/zabbix-server-pgsql.service' '/etc/systemd/system/multi-user.target.wants/zabbix-server-pgsql.service'

# systemctl enable zabbix-agent.service
ln -s '/usr/lib/systemd/system/zabbix-agent.service' '/etc/systemd/system/multi-user.target.wants/zabbix-agent.service'
</file>

Checando os serviços
<file bash>
# systemctl status zabbix-server-pgsql.service
zabbix-server-pgsql.service - Zabbix Server with PostgreSQL DB
   Loaded: loaded (/usr/lib/systemd/system/zabbix-server-pgsql.service; enabled)
   Active: active (running) since Ter 2015-04-28 12:56:45 BRT; 4min 29s ago
 Main PID: 2784 (zabbix_server)
   CGroup: /system.slice/zabbix-server-pgsql.service
           ├─2784 /usr/sbin/zabbix_server
           ├─2785 /usr/sbin/zabbix_server: configuration syncer [synced configuration in 0.009214 sec, idle 60 sec]
           ├─2786 /usr/sbin/zabbix_server: db watchdog [synced alerts config in 0.007735 sec, idle 60 sec]
           ├─2787 /usr/sbin/zabbix_server: poller #1 [got 0 values in 0.000001 sec, idle 5 sec]
           ├─2788 /usr/sbin/zabbix_server: poller #2 [got 0 values in 0.000003 sec, idle 5 sec]
           ├─2789 /usr/sbin/zabbix_server: poller #3 [got 0 values in 0.000002 sec, idle 5 sec]
           ├─2790 /usr/sbin/zabbix_server: poller #4 [got 0 values in 0.000001 sec, idle 5 sec]
           ├─2791 /usr/sbin/zabbix_server: poller #5 [got 0 values in 0.000003 sec, idle 5 sec]
           ├─2792 /usr/sbin/zabbix_server: unreachable poller #1 [got 0 values in 0.000001 sec, idle 5 sec]
           ├─2793 /usr/sbin/zabbix_server: trapper #1 [processed data in 0.000000 sec, waiting for connection]
           ├─2794 /usr/sbin/zabbix_server: trapper #2 [processed data in 0.000000 sec, waiting for connection]
           ├─2795 /usr/sbin/zabbix_server: trapper #3 [processed data in 0.000000 sec, waiting for connection]
           ├─2796 /usr/sbin/zabbix_server: trapper #4 [processed data in 0.000000 sec, waiting for connection]
           ├─2797 /usr/sbin/zabbix_server: trapper #5 [processed data in 0.002727 sec, waiting for connection]
           ├─2798 /usr/sbin/zabbix_server: icmp pinger #1 [got 0 values in 0.000005 sec, idle 5 sec]
           ├─2799 /usr/sbin/zabbix_server: alerter [sent alerts: 0 success, 0 fail in 0.000796 sec, idle 30 sec]
           ├─2800 /usr/sbin/zabbix_server: housekeeper [deleted 0 hist/trends, 0 items, 0 events, 0 sessions, 0 alarms, 0 audit items in 0.044173 sec, idle 1 hour(s)...
           ├─2801 /usr/sbin/zabbix_server: timer #1 [processed 0 triggers, 0 events in 0.000009 sec, 0 maintenances in 0.001806 sec, idle 30 sec]
           ├─2802 /usr/sbin/zabbix_server: http poller #1 [got 0 values in 0.000910 sec, idle 5 sec]
           ├─2803 /usr/sbin/zabbix_server: discoverer #1 [processed 0 rules in 0.000768 sec, idle 60 sec]
           ├─2804 /usr/sbin/zabbix_server: history syncer #1 [synced 0 items in 0.000000 sec, idle 5 sec]
           ├─2805 /usr/sbin/zabbix_server: history syncer #2 [synced 0 items in 0.000000 sec, idle 5 sec]
           ├─2806 /usr/sbin/zabbix_server: history syncer #3 [synced 0 items in 0.000001 sec, idle 5 sec]
           ├─2807 /usr/sbin/zabbix_server: history syncer #4 [synced 0 items in 0.000001 sec, idle 5 sec]
           ├─2808 /usr/sbin/zabbix_server: escalator [processed 0 escalations in 0.000804 sec, idle 3 sec]
           ├─2809 /usr/sbin/zabbix_server: proxy poller #1 [exchanged data with 0 proxies in 0.000002 sec, idle 5 sec]
           └─2810 /usr/sbin/zabbix_server: self-monitoring [processed data in 0.000004 sec, idle 1 sec]

Abr 28 12:56:44 zabbixserver.rascunhos.wiki.br systemd[1]: Starting Zabbix Server with PostgreSQL DB...
Abr 28 12:56:45 zabbixserver.rascunhos.wiki.br systemd[1]: PID file /run/zabbixsrv/zabbix_server.pid not readable (yet?) after start.
Abr 28 12:56:45 zabbixserver.rascunhos.wiki.br systemd[1]: Started Zabbix Server with PostgreSQL DB.
</file>

<file bash>
# systemctl status zabbix-agent.service
zabbix-agent.service - Zabbix Monitor Agent
   Loaded: loaded (/usr/lib/systemd/system/zabbix-agent.service; enabled)
   Active: active (running) since Ter 2015-04-28 12:58:41 BRT; 3min 8s ago
 Main PID: 2832 (zabbix_agentd)
   CGroup: /system.slice/zabbix-agent.service
           ├─2832 /usr/sbin/zabbix_agentd
           ├─2833 /usr/sbin/zabbix_agentd: collector [idle 1 sec]
           ├─2834 /usr/sbin/zabbix_agentd: listener #1 [waiting for connection]
           ├─2835 /usr/sbin/zabbix_agentd: listener #2 [waiting for connection]
           ├─2836 /usr/sbin/zabbix_agentd: listener #3 [waiting for connection]
           └─2837 /usr/sbin/zabbix_agentd: active checks #1 [idle 1 sec]

Abr 28 12:58:41 zabbixserver.rascunhos.wiki.br systemd[1]: Starting Zabbix Monitor Agent...
Abr 28 12:58:41 zabbixserver.rascunhos.wiki.br systemd[1]: PID file /run/zabbix/zabbix_agentd.pid not readable (yet?) after start.
Abr 28 12:58:41 zabbixserver.rascunhos.wiki.br systemd[1]: Started Zabbix Monitor Agent.
</file>


===== Zabbix Web =====
<file bash>
# yum install zabbix22-web-pgsql zabbix22-web zabbix22-agent
</file>

Configurando o FirewallD
<file bash>
# firewall-cmd --add-rich-rule 'rule family="ipv4" source address="172.16.200.0/24" service name="http" 
accept' --permanent
# firewall-cmd --add-rich-rule 'rule family="ipv4" source address="172.16.200.0/24" port port="10050" protocol="tcp" accept' --permanent
# firewall-cmd --add-rich-rule 'rule family="ipv4" source address="172.16.200.0/24" port port="10050" protocol="udp" accept' --permanent
</file>
<file bash>
# firewall-cmd --reload
success
</file>

Configurando os parâmetros do PHP
<code bash>
# vim /etc/php.ini
[...]
post_max_size = 16M
[...]
max_execution_time = 300
[...]
max_input_time = 300
[...]
date.timezone = America/Belem
[...]
</code>

Configurando o VirtualHost
<code bash>
# cat /etc/httpd/conf.d/zabbix.conf 
#
# Zabbix monitoring system php web frontend
#
NameVirtualHost *:80
<VirtualHost *:80>
        ServerAdmin gean@rascunhos.wiki.br
        ServerName zabbixweb.rascunhos.wiki.br
        ServerAlias www.zabbixweb.rascunhos.wiki.br
	DocumentRoot "/usr/share/zabbix"
        ServerPath /

Alias /zabbix /usr/share/zabbix

<Directory "/usr/share/zabbix">
    Options FollowSymLinks
    AllowOverride None

    <IfModule mod_authz_core.c>
      # Apache 2.4
      Require all granted
    </IfModule>
   
    <IfModule !mod_authz_core.c>
      # Apache 2.2
      Order allow,deny
      Allow from all
    </IfModule>

</Directory>

<Directory ~ "^/usr/share/zabbix/(conf|api|include)/">
    <IfModule mod_authz_core.c>
      # Apache 2.4
      Require all denied
    </IfModule>

    <IfModule !mod_authz_core.c>
      # Apache 2.2
      Order deny,allow
      Deny from all
    </IfModule>

    <files *.php>
      <IfModule mod_authz_core.c>
        # Apache 2.4
        Require all denied
      </IfModule>

      <IfModule !mod_authz_core.c>
        Order deny,allow
        Deny from all
      </IfModule>

    </files>
</Directory>

        ErrorLog logs/zabbixweb_error.log
        CustomLog logs/zabbixweb_access.log combined
</VirtualHost>
</code>

Iniciando e habilitando o apache
<file bash>
# systemctl start httpd.service
# systemctl enable httpd.service
ln -s '/usr/lib/systemd/system/httpd.service' '/etc/systemd/system/multi-user.target.wants/httpd.service'
</file>

Configurando o SELinux da conexão com o banco do apache
<file bash>
# getsebool httpd_can_network_connect_db
httpd_can_network_connect_db --> off
</file>

<file bash>
# setsebool -P httpd_can_network_connect_db 1

# getsebool httpd_can_network_connect_db
httpd_can_network_connect_db --> on
</file>

Agora vamos terminar a configuração no browser
firefox: http://zabbixweb.rascunhos.wiki.br

{{:zabbix01.png|}}

Clique em Next >>

{{:zabbix02.png|}}

Novamente clique em Next >>

{{:zabbix03.png|}}

Nesta tela será configurado a conexão com o DataBase, coloque os dados e faça um teste de conexão clicando em Test connection.

Se tiver sucesso podemos continuar clicando em Next >>

{{:zabbix04.png|}}

Aqui configuramos a conexão com o ZabbixServer.
Preencha os campos com as imformações do ZabbixServer e clique em next >>

{{:zabbix05.png|}}

Aqui é mostrado um sumário da instalação.
Clique em Next >>

{{:zabbix06.png|}}

Fim da instalação.

Agora podemos acessar o sistema com o usário: Admin ("A" Maiúsculo) e senha: zabbix