Architecting Zero-Downtime Linux Fleets & Cloud Systems.
I'm Atikullah (Atik) — the systems architect ensuring mission-critical uptime for enterprise hosting fleets, KVM virtualization clusters, and high-security edge routing.
Atikullah (Atik)
CTO / SysAdmincore-cluster.baharihost.net
Production Infrastructure Stack
Enterprise Linux, DevOps & Fleet Ops
Full-stack tuning & NVMe caching
Legacy cPanel/WHM to Docker
Cloudflare & CSF edge hardening
Interactive SysAdmin Telemetry
Try interactive CLI commands like status, ping, or whoami.
Engineering & Systems Architecture
End-to-end reliability engineering from bare-metal hypervisors to global edge routing.
Infrastructure & Virtualization
KVM, Virtualizor, Proxmox, cPanel/WHM enterprise clusters & high-performance storage pools.
DevOps & Automation
Containerized deployments, Docker Compose, PM2, Ansible, and automated rollback strategies.
Security Hardening
CSF, Imunify360, fail2ban, DDoS mitigation, kernel hardening, and compliance defense.
Monitoring & Networking
MikroTik ROS 7.x, BGP routing, VLANs, Prometheus, Grafana, Zabbix telemetry dashboards.
Featured Architecture & Projects
High-availability builds, automated pipelines, and enterprise migrations delivered in production.
Zero-Downtime WHM → Docker Migration
Migrated 30+ legacy cPanel/WHM sites to a containerized stack with zero customer-facing downtime.
Proxmox Cluster Buildout
Designed and deployed a multi-node Proxmox cluster for high-availability client workloads.
Network Hardening & Edge Security
Rolled out Cloudflare + MikroTik edge rules, cutting external attack surface by ~70%.
Full-Stack Monitoring Rollout
Stood up Prometheus, Grafana, and Zabbix for real-time visibility across the fleet.
Automated Backup & DR Pipeline
Built scheduled Rsync + PostgreSQL PITR backups with tested rollback procedures.
Zero-Downtime Deploy Pipeline
Implemented a CI/CD pipeline with automated rollback, used across 30+ client sites.
Production Tech Stack & Tooling
The battle-tested tooling powering high-traffic production infrastructure.
Infrastructure & Virtualization
DevOps & Automation
Security Hardening
Monitoring & Networking
Behind The Infrastructure
Atikullah (Atik)
CTO / Lead SysAdminAtik is the technical backbone of BahariHost — ≈8 years hardening Linux servers, building zero-downtime deploy pipelines, and keeping networks fast and secure.
What Engineering Leaders Say
Feedback from team leaders and colleagues who rely on zero-downtime operations.
“Atikullah kept our hosting platform online through every migration — zero surprises.”
Raju Mia
Owner, BahariHost
“Replace this with a real client testimonial.”
Client Name
Position, Company
“Replace this with a real client testimonial.”
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Let's build resilient infrastructure together.
Planning a high-availability cluster buildout, legacy migration, or security hardening audit? Let's connect directly.