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1 Sistema operacional Red Hat Enterprise Linux


Official Zabbix 6.3 PRE-RELEASE packages for Red Hat Enterprise Linux and Oracle Linux are available on Zabbix website. Packages for Zabbix 6.4 will be available upon its release.

Packages are available with either MySQL/PostgreSQL database and Apache/Nginx web server support.

Zabbix agent packages and utilities Zabbix get and Zabbix sender are available on Zabbix Official Repository for RHEL 9, RHEL 8, RHEL 7, and RHEL 6.

Zabbix Official Repository provides fping, iksemel and libssh2 packages as well. These packages are located in the non-supported directory.

Notes on installation

See installation instructions per platform in the download page for:

  • installing the repository
  • installing server/agent/frontend
  • creating initial database, importing initial data
  • configuring database for Zabbix server
  • configuring PHP for Zabbix frontend
  • starting server/agent processes
  • configuring Zabbix frontend

If you want to run Zabbix agent as root, see Running agent as root.

Zabbix web service process, which is used for scheduled report generation, requires Google Chrome browser. The browser is not included into packages and has to be installed manually.

Importando dados com Timescale DB

Com TimescaleDB, somado com o comando para importar PostgreSQL, também execute:

cat /usr/share/zabbix-sql-scripts/postgresql/timescaledb.sql | sudo -u zabbix psql zabbix

::: Nota de aviso TimescaleDB só é suportado com Zabbix server.

SELinux configuration

Zabbix uses socket-based inter-process communication. On systems where SELinux is enabled, it may be required to add SELinux rules to allow Zabbix create/use UNIX domain sockets in the SocketDir directory. Currently socket files are used by server (alerter, preprocessing, IPMI) and proxy (IPMI). Socket files are persistent, meaning they are present while the process is running.

Having SELinux status enabled in enforcing mode, you need to execute the following commands to enable communication between Zabbix frontend and server:

RHEL 7 and later:

# setsebool -P httpd_can_connect_zabbix on
       If the database is accessible over network (including 'localhost' in case of PostgreSQL), you need to allow Zabbix frontend to connect to the database too:
       # setsebool -P httpd_can_network_connect_db on

RHEL prior to 7:

# setsebool -P httpd_can_network_connect on
       # setsebool -P zabbix_can_network on

After the frontend and SELinux configuration is done, restart the Apache web server:

# service httpd restart

In addition, Zabbix provides the zabbix-selinux-policy package as part of source RPM packages for RHEL 8 and RHEL 7. This package provides a basic default policy for SELinux and makes zabbix components work out-of-the-box by allowing Zabbix to create and use sockets and enabling httpd connection to PostgreSQL (used by frontend).

The source zabbix_policy.te file contains the following rules:

module zabbix_policy 1.2;
       require {
         type zabbix_t;
         type zabbix_port_t;
         type zabbix_var_run_t;
         type postgresql_port_t;
         type httpd_t;
         class tcp_socket name_connect;
         class sock_file { create unlink };
         class unix_stream_socket connectto;
       #============= zabbix_t ==============
       allow zabbix_t self:unix_stream_socket connectto;
       allow zabbix_t zabbix_port_t:tcp_socket name_connect;
       allow zabbix_t zabbix_var_run_t:sock_file create;
       allow zabbix_t zabbix_var_run_t:sock_file unlink;
       allow httpd_t zabbix_port_t:tcp_socket name_connect;
       #============= httpd_t ==============
       allow httpd_t postgresql_port_t:tcp_socket name_connect;

This package has been created to prevent users from turning off SELinux because of the configuration complexity. It contains the default policy that is sufficient to speed up Zabbix deployment and configuration. For maximum security level, it is recommended to set custom SELinux settings.

Instalação do proxy

Uma vez que o repositório necessário é adicionado, você pode instalar o Zabbix proxy executando:

dnf install zabbix-proxy-mysql zabbix-sql-scripts

Substitua 'mysql' no comando por 'pgsql' para usar PostgreSQL, or com 'split 3' para usar SQLite3 (apenas proxy).

O pacote 'zabbix-sql-scripts' contém esquemas de banco de dados para todos os sistemas de gerenciamento de banco de dados suportados para servidor Zabbix e proxy Zabbix e será usado para importação de dados.

Criando base de dados

[Criar] (/manual/appendix/install/db_scripts) uma base de dados separada para o Zabbix proxy.

Zabbix e Zabbix proxy não podem usar a mesma base de dados. Se elas são intaladas no mesmo host, a base da dados do proxy deve ter um nome diferente.

Importing data

Import initial schema:

# cat /usr/share/zabbix-sql-scripts/mysql/proxy.sql | mysql -uzabbix -p zabbix

For proxy with PostgreSQL (or SQLite):

# cat /usr/share/zabbix-sql-scripts/postgresql/proxy.sql | sudo -u zabbix psql zabbix
       # cat /usr/share/zabbix-sql-scripts/sqlite3/proxy.sql | sqlite3 zabbix.db
Configure database for Zabbix proxy

Edit zabbix_proxy.conf:

# vi /etc/zabbix/zabbix_proxy.conf

In DBName for Zabbix proxy use a separate database from Zabbix server.

In DBPassword use Zabbix database password for MySQL; PostgreSQL user password for PostgreSQL.

Use DBHost= with PostgreSQL. You might want to keep the default setting DBHost=localhost (or an IP address), but this would make PostgreSQL use a network socket for connecting to Zabbix. See SELinux configuration for instructions.

Starting Zabbix proxy process

To start a Zabbix proxy process and make it start at system boot:

# service zabbix-proxy start
       # systemctl enable zabbix-proxy
Frontend configuration

A Zabbix proxy does not have a frontend; it communicates with Zabbix server only.

Java gateway installation

It is required to install Java gateway only if you want to monitor JMX applications. Java gateway is lightweight and does not require a database.

Once the required repository is added, you can install Zabbix Java gateway by running:

# dnf install zabbix-java-gateway

Proceed to setup for more details on configuring and running Java gateway.

Installing debuginfo packages

Debuginfo packages are currently available for RHEL versions 9, 7, 6 and 5.

To enable debuginfo repository, edit /etc/yum.repos.d/zabbix.repo file. Change enabled=0 to enabled=1 for zabbix-debuginfo repository.

       name=Zabbix Official Repository debuginfo - $basearch

This will allow you to install the zabbix-debuginfo package.

# yum install zabbix-debuginfo

This single package contains debug information for all binary Zabbix components.