Installing Zabbix 7.4 on RHEL 8

Zabbix 7.4 Agent 2 - RHEL 8.10

Install Zabbix.

# a. Install Zabbix repository
rpm -Uvh https://repo.zabbix.com/zabbix/7.4/release/rhel/8/noarch/zabbix-release-latest-7.4.el8.noarch.rpm
dnf clean all

# b. Switch DNF module version for PHP
dnf module switch-to php:8.2

# c. Install Zabbix server, frontend, agent2
dnf install zabbix-server-mysql zabbix-web-mysql zabbix-nginx-conf zabbix-sql-scripts zabbix-selinux-policy zabbix-agent2

# d. Install Zabbix agent 2 plugins
dnf install zabbix-agent2-plugin-mongodb zabbix-agent2-plugin-mssql zabbix-agent2-plugin-postgresql

Create initial database.

~]# dnf install mysql-server.x86_64
~]# systemctl enable --now mysqld
~]# mysql -uroot -p

mysql> create database zabbix character set utf8mb4 collate utf8mb4_bin;
mysql> create user zabbix@localhost identified by 'password';
mysql> grant all privileges on zabbix.* to zabbix@localhost;
mysql> set global log_bin_trust_function_creators = 1;
mysql> quit;

# Import initial schema and data.
~]# zcat /usr/share/zabbix/sql-scripts/mysql/server.sql.gz | mysql --default-character-set=utf8mb4 -uzabbix -p zabbix

# Disable log_bin_trust_function_creators option after importing database schema.
mysql> set global log_bin_trust_function_creators = 0;
mysql> quit;

Configure the database for Zabbix server.

~]# cat >>/etc/zabbix/zabbix_server.conf <<EOF
# The following is added for Zabbix
DBPassword=password
EOF

Start Zabbix server and agent processes.

systemctl restart zabbix-server zabbix-agent2 nginx php-fpm
systemctl enable zabbix-server zabbix-agent2 nginx php-fpm

Modify the /etc/nginx/conf.d/zabbix.conf file, restart nginx.

~]# vi /etc/nginx/conf.d/zabbix.conf
        listen          8080;
        server_name     example.com;

~]# systemctl restart nginx

Monitoring

VMware

Enable monitoring vmware.

~]# ldd /usr/sbin/zabbix_server | egrep 'libxml2|libcurl'
        libxml2.so.2 => /lib64/libxml2.so.2 (0x00007f1ebb534000)
        libcurl.so.4 => /lib64/libcurl.so.4 (0x00007f1eb8e86000)

~]# grep '^StartVMwareCollectors' /etc/zabbix/zabbix_server.conf
StartVMwareCollectors=10

Add the following in Host Macros.

{$VMWARE.URL} = https://192.168.3.200/sdk
{$VMWARE.USERNAME} = root
{$VMWARE.PASSWORD} = Welcome@123
{$VMWARE.HV.UUID} = 4c4c4544-004d-5810-8034-b9c04f435332