Hi there! I'm Rasika Liyanaarachchi - System Operations Engineer

SysAdmin, Security & Performance Optimization, DFIR. I am known under certain pseudonyms.

About Me

I am a dedicated SysAdmin with over years of experience in managing servers, ensuring their security, and optimizing their performance. I have a keen interest in Web Development and SEO, and I am always looking for ways to improve website performance and increase online visibility.

Skills

• Server Administration (Linux / Windows)
• Cloud Infrastructure - AWS, GCP, DigitalOcean, Oracle Cloud, Alibaba Cloud
• Containerization & Orchestration - Docker, Kubernetes
• Observability & Monitoring - Grafana, Prometheus, Victoria Metrics, Loki
• Database Administration - MariaDB, PostgreSQL, MongoDB, MySQL, Redis
• Network & Infrastructure Security
• Vulnerability Management - Identify, Protect, Detect, Respond & Recover
• Digital Forensics & Incident Response (DFIR)
• Malware Removal & Website Recovery
• VoIP Server & Device Management
• Enterprise Mail Server Management
• Performance Optimization & Capacity Planning
• Web Development & SEO Optimization

Hobbies

• Studying Advanced Linux
• Practicing SOC Analysis and Threat Hunting
• Testing FOSS Software / Scripts
• Game Server Hosting

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