Marcello

Red Hat Certified System Administrator (RHCSA) – Certificate #230-201-592 I specialize in Red Hat Enterprise Linux 8 & 9 & 10: clean installations, security hardening, SELinux, firewalld, LVM, troubleshooting, CentOS → RHEL migrations, and Bash/Ansible automation. Background • Dutch (EU) citizen with full work authorization worldwide • Operating through my registered US company (EIN available on request) • Permanently based in Thailand (GMT+7) with fiber internet – perfect overlap with US & EU working hours • 8+ years daily hands-on RHEL experience What I deliver ✓ Same-day or 24-hour turnaround on most jobs ✓ Full backups before any change ✓ Clear English documentation + commands explained ✓ Screen-share via AnyDesk/Zoom if needed ✓ 100% satisfaction or full refund Common jobs I win for clients • Fresh RHEL 9/10 server setup + hardening – $149–$299 • Fix any RHEL/CentOS issue (SELinux, firewall, boot, permissions) – $89–$149 • Safe CentOS 7/8/9 → RHEL 10 or AlmaLinux migration – $299–$499 • Monthly maintenance packages – $179/month Available 7 days a week for emergency fixes (response < 1 hour). Looking forward to solving your Linux server problems – let’s get it done fast and right the first time! Red Hat Enterprise Linux (RHEL), RHCSA, Linux System Administration, System Administration, SELinux, Firewall Configuration, LVM, SSH, Bash Shell Scripting, CentOS, AlmaLinux, Rocky Linux, Server Administration, Security Hardening, Amazon Web Services (AWS), Microsoft Azure, Google Cloud Platform (GCP), Ansible, Troubleshooting, Server Migration