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Technical articles, insights, and lessons learned from building reliable infrastructure. I write about operations practices, architecture trade-offs, and delivering availability at scale.

Showing 1–5 of 11 articles

January 10, 2026 Enterprise Monitoring with Zabbix: A Complete Setup Guide How to deploy and configure Zabbix for infrastructure monitoring, from initial setup to advanced alerting and custom templates.
monitoringzabbixinfrastructureobservability
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January 8, 2026 Deploying OpenVPN for Secure Remote Access A practical guide to setting up OpenVPN with certificate-based authentication, split tunneling, and multi-factor authentication.
vpnsecuritynetworkinginfrastructure
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January 6, 2026 Wazuh as SIEM: Building a Security Operations Center Deploying Wazuh for threat detection, compliance monitoring, and incident response in enterprise environments.
securitysiemwazuhcomplianceinfrastructure
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January 5, 2026 Incident Management: Lessons from 5 Years of On-Call Practical insights on building effective incident response processes, reducing MTTR, and creating a sustainable on-call culture.
incident-managementon-callreliabilityteam-culture
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January 4, 2026 Infrastructure Automation with Ansible: From Basics to Production Building maintainable automation with Ansible - playbooks, roles, inventory management, and CI/CD integration.
ansibleautomationinfrastructuredevops
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© 2026 Arjun Purushothaman
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