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$
USD
I will linux system administrator expert for servers, security and troubleshooting
oracle, postgresql, mysql, sql server administration and development
Ensuring secure, optimized, and high-performance database environment with 7 + years of expertise.
Oracle Database & EBS Administration – Installation, upgrades, performance tuning, RMAN backup & re...
About this Gig
A reliable Linux SysAdmin to set up, secure, or fix your server fast? Ill help you run stable, secure, and high-performing Linux infrastructure whether its a fresh deployment, a security hardening job, or urgent troubleshooting.
What I can do for you
- Linux server setup & configuration (Ubuntu / Debian / CentOS / RHEL / Rocky / AlmaLinux)
- Web server setup (Nginx / Apache) + SSL (Lets Encrypt)
- SSH, firewall & security hardening (UFW / iptables / Fail2ban)
- User management, permissions, sudo policies
- Performance optimization (CPU/RAM/IO, caching, services tuning)
- Troubleshooting: errors, downtime, boot issues, logs analysis
- Scheduled backups, monitoring & alerts (basic)
- LEMP/LAMP stack, PHP, MySQL/MariaDB/PostgreSQL basics
- Migration support (basic), DNS help, cron jobs & automation
Safe & Professional Workflow
- All work is done via secure remote access (SSH / VPN / panel access if needed)
- Clear communication + short progress updates
- Best-practice approach (stability + security first)
What I need from you
- Server IP/hostname + access method (SSH, panel, cloud console)
- Your objective + any error messages/logs/screenshots
- OS version + provider (AWS/DigitalOcean/VPS/On-prem)
Thanks
Operating system:
Linux
•
Unix
My Portfolio
FAQ
What do you need to start the work?
I need your server IP/hostname, SSH access (or hosting panel access), your goal, and any error messages/logs/screenshots if it’s a troubleshooting job.
