
Sachin G
Level 2
Linux Server Security Expert cPanel WHM Cloudflare Docker RHCSA RHCE
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Werkervaring
Freelance System Administrator | Docker, VPS & Web Hosting Support
Fiverr • Freelance
Feb 2015 - Present • 11 yrs 4 mos
Providing Linux server administration, security hardening, and web hosting support to clients worldwide through different freelance platforms. Core services delivered: - Linux server setup and hardening — Ubuntu, CentOS, AlmaLinux (CIS benchmark standards) - WordPress performance optimization — PHP-FPM tuning, Redis object cache, OPcache, LiteSpeed Cache, MySQL InnoDB tuning - Web hosting control panels — CloudPanel, cPanel/WHM, HestiaCP, Webmin - Cloudflare setup — WAF, Bot Fight Mode, Turnstile, SSL Full Strict, rate limiting - VPS setup and management — DigitalOcean, Hetzner, Hostinger, Contabo, AWS - Docker & Docker Compose deployments on Linux VPS - Self-hosted AI stack deployments — Ollama, Open WebUI, n8n - Emergency server recovery — SSL, DNS, hosting outages - Load testing and capacity planning for high-traffic WordPress sites - Malware removal and security audits Certified RHCSA & RHCE (Red Hat). 14+ years production experience. All work documented and delivered with clear client communication.
Linux System Admin and Project Manager
Freelancing Career • Fulltime
Jan 2011 - Jan 2015 • 4 yrs
As a Linux System Admin i was responsible for installing a new Linux server, configuring the server, and creating user accounts for users and support on web site hosting support. A Project Manager might be responsible for defining the scope of a project, creating a project plan, and managing the project budget.
511 Reviews
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Terugkerende klant

Duitsland
Sachin completed the server security hardening carefully and professionally. He secured SSH access, disabled password login, configured the UFW firewall, blocked public access to the n8n port, set up Fail2Ban, applied security updates, and verified that Docker and n8n continued running after reboot....

Reactie van de freelancer

candisoft

India
Sachin delivered the project before the expected delivery date and did all the things what was asked and did what I asked after his work was completed. Exceeded my expectations!! I will hire him again.

Reactie van de freelancer
matthansen

Verenigde Staten
Very grateful to work with this expert! Excellent communications throughout the project and the expertise was apparent at every step and your clear directions and openness to questions was invaluable. There’s no one else I’ll go to after this great experience!
Reactie van de freelancer
ignasi_sm
Terugkerende klant

Spanje
Sachin understood the issue quickly, explained the best way to verify the setup, and remained available for follow-up checks after implementation. Good communication and professional support. Thank you!

Reactie van de freelancer
michellenaid152
Terugkerende klant

Verenigde Staten
Outstanding System Administrator Sachin is absolutely terrific. He is highly knowledgeable, professional, and clearly knows his craft inside and out. He handled everything efficiently, communicated clearly throughout the process, and ensured that every detail was properly configured and working as expected.
Reactie van de freelancer


