Instalar Zabbix 6.0

Zabbix 6.0 : Install

Instale Zabbix 6.0 LTS, que es un sistema de monitoreo empresarial de código abierto.
1 Instalar Apache httpd
2 Instalar PHP 7.4 
3 Instalar Maria DB 10.5 Server
4 Instalar los requerimientos de PHP solicitados por ZABBIX

[root@dlp ~]# dnf -y install php-mysqlnd php-gd php-xml php-bcmath php-ldap


[root@dlp ~]# dnf -y install https://repo.zabbix.com/zabbix/6.0/rhel/8/x86_64/zabbix-release-6.0-1.el8.noarch.rpm

5 Instale el servidor Zabbix. Para monitorear el propio servidor Zabbix, instale también el agente Zabbix.

[root@dlp ~]# dnf -y install zabbix-server-mysql zabbix-web-mysql zabbix-apache-conf zabbix-sql-scripts zabbix-selinux-policy zabbix-agent

6 Cree una base de datos para Zabbix.

[root@dlp ~]# mysql

Welcome to the MariaDB monitor.  Commands end with ; or \g.
Your MariaDB connection id is 9
Server version: 10.5.9-MariaDB MariaDB Server

Copyright (c) 2000, 2018, 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)

# replace any password for DB [password]
MariaDB [(none)]> grant all privileges on zabbix.* to zabbix@'localhost' 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 ~]# zcat /usr/share/doc/zabbix-sql-scripts/mysql/server.sql.gz | mysql -u zabbix -p zabbixEnter password: # password of zabbix user on MariaDB you set above

Introducir la contraseña: # contraseña del usuario zabbix en MariaDB que configuró arriba

7 Configure e inicie el servidor Zabbix

[root@dlp ~]# vi /etc/zabbix/zabbix_server.conf

# line 94 : add
DBHost=localhost

# line 130 : add Zabbix DB password
DBPassword=password

[root@dlp ~]# systemctl enable --now zabbix-server

8 If SELinux is enabled, change policy like follows

[root@dlp ~]# setsebool -P zabbix_can_network on

[root@dlp ~]# setsebool -P httpd_can_connect_zabbix on

[root@dlp ~]# setsebool -P domain_can_mmap_files on

[root@dlp ~]# setsebool -P daemons_enable_cluster_mode on

[root@dlp ~]# vi zabbix_server.te

# create new

module zabbix_server 1.0;

require {
        type initctl_t;
        type devlog_t;
        type proc_kcore_t;
        type zabbix_t;
        type zabbix_agent_t;
        type rpm_exec_t;
        type rpm_var_lib_t;
        class fifo_file getattr;
        class sock_file getattr;
        class file { execute execute_no_trans map open getattr };
        class capability dac_override;
}

#============= zabbix_t ==============
allow zabbix_t self:capability dac_override;

#============= zabbix_agent_t ==============
allow zabbix_agent_t devlog_t:sock_file getattr;
allow zabbix_agent_t initctl_t:fifo_file getattr;
allow zabbix_agent_t proc_kcore_t:file getattr;
allow zabbix_agent_t rpm_var_lib_t:file open;
allow zabbix_agent_t rpm_exec_t:file { execute execute_no_trans map };

[root@dlp ~]# checkmodule -m -M -o zabbix_server.mod zabbix_server.te

[root@dlp ~]# semodule_package --outfile zabbix_server.pp --module zabbix_server.mod

[root@dlp ~]# semodule -i zabbix_server.pp

9 If Firewalld is running, allow Zabbix related ports.

root@dlp ~]# firewall-cmd --add-service={http,https}
success

[root@dlp ~]# firewall-cmd --add-port={10051/tcp,10050/tcp}
success


[root@dlp ~]# firewall-cmd --runtime-to-permanent
success

[root@dlp ~]# systemctl enable --now zabbix-agent

11 Change httpd settings. That's OK to configure Zabbix Server.

[root@dlp ~]# vi /etc/httpd/conf.d/zabbix.conf

[root@dlp ~]# systemctl restart httpd php-fpm

12 Configurar el agente de inicio  "start Zabbix Agent" to monitor Zabbix Server itself.