Ranjith R
I design, automate and secure modern cloud infrastructure using Linux, AWS and DevOps best practices.
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Years Experience
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Domains Managed
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Infrastructure Uptime
Systems Operational · 99.9% uptime
Passionate about Systems, Automation & Continuous Improvement
Red Hat Certified System Administrator (RHCSA) with 3 years of hands-on experience in Linux system administration, AWS cloud services, DevOps automation, CI/CD implementation and enterprise hosting environments.
Experienced in managing over 400 production domains, securing infrastructure using Cloudflare and Fortigate Firewall, implementing monitoring with Nagios and Wazuh, and deploying scalable applications on AWS.
Passionate about automation, cloud architecture, security and continuous learning.
System Reliability
Ensuring high availability and performance
Automation
Shell scripting, CI/CD and infrastructure as code
Cloud Expertise
AWS services and cloud best practices
Security First
Hardening, monitoring and threat prevention
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Years Experience
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Domains Managed
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Production Deployments
0.0%
Infrastructure Uptime
Tools I work with
Where I've worked
System Administrator
FXCareer.eu
Sivakasi
System Administrator
School of Linux
Madurai
Production systems I've built
AWS Static Website Hosting
Production-grade static site delivery pipeline using S3 origin storage, CloudFront edge caching, ACM-issued TLS, Route53 DNS, and Cloudflare in front for extra security and performance.
AWS Dynamic Website Hosting
Full dynamic web application stack on EC2 with an RDS-backed database, CloudFront + S3 for static assets, ACM TLS, Route53 DNS, and Cloudflare protection in front of the origin.
Continue Learning
Practical Linux, Cloud & DevOps tutorials written from real production experience.
Live Infrastructure Diagnostics
Real, live checks against any public domain — DNS-over-HTTPS, raw TLS/WHOIS sockets and direct HTTP inspection. No mock data, ever.
DNS Lookup
Fetch A, AAAA, CNAME, MX, NS, TXT, SOA and CAA records for any domain.
Verified credentials
Red Hat Certified System Administrator (RHCSA)
Issued by Red Hat