Listen to this Post
The article discusses the implementation of new alarms and agents in the Zabbix monitoring system, focusing on corporate investment environments. The initiative aims to enhance proactive security and IT infrastructure stability by detecting anomalies early and automating incident responses.
You Should Know:
Zabbix Agent Installation on Linux
To deploy Zabbix agents on Linux systems, use the following commands:
For Debian/Ubuntu sudo apt update sudo apt install zabbix-agent For RHEL/CentOS sudo yum install zabbix-agent sudo systemctl enable zabbix-agent sudo systemctl start zabbix-agent
Configuring Zabbix Agent
Edit the Zabbix agent configuration file (/etc/zabbix/zabbix_agentd.conf) to specify the Zabbix server:
Server=<ZABBIX_SERVER_IP> ServerActive=<ZABBIX_SERVER_IP> Hostname=<CLIENT_HOSTNAME>
Restart the agent afterward:
sudo systemctl restart zabbix-agent
Creating Custom Alarms in Zabbix
1. Log in to Zabbix Web Interface
- Navigate to Configuration → Hosts and select the target host.
- Go to Items → Create Item to define a new monitoring metric.
- Set Triggers to define alarm conditions (e.g., high CPU usage).
Example trigger expression:
{host:system.cpu.load[all,avg1].last()}>5
Automating Incident Response with Zabbix
Use Zabbix Actions to execute scripts when triggers fire:
1. Go to Configuration → Actions.
2. Define conditions (e.g., trigger severity = “Disaster”).
- Specify Operations (e.g., run a script to restart a service).
Example script (save as `/usr/local/bin/restart_service.sh`):
!/bin/bash systemctl restart apache2
Windows Zabbix Agent Deployment
Download the Windows Zabbix agent from Zabbix Official Site.
Install via PowerShell:
msiexec /i zabbix_agent.msi /qn SERVER=<ZABBIX_SERVER_IP> HOSTNAME=<CLIENT_HOSTNAME>
What Undercode Say
Zabbix is a powerful tool for enterprise monitoring, but proper configuration is key. Always test alarms in a staging environment before deployment. Use Zabbix API for bulk operations:
curl -X POST -H "Content-Type: application/json" -d '{"jsonrpc":"2.0","method":"host.get","params":{"output":"extend"},"auth":"<API_TOKEN>","id":1}' http://zabbix-server/api_jsonrpc.php
For log monitoring, enable Zabbix log items:
LogFile=/var/log/syslog Key=log[bash]
To monitor disk space, use:
vfs.fs.size[/,pfree].last()<10
For network monitoring, leverage SNMP items:
snmpwalk -v 2c -c public <HOST_IP> .1.3.6.1.2.1.1.1
Expected Output:
A fully integrated Zabbix monitoring system with custom alarms, automated responses, and cross-platform agent deployment.
References:
Reported By: Fabiano Meda – Hackers Feeds
Extra Hub: Undercode MoN
Basic Verification: Pass ✅
