I will linux server administration, hardening, incident remediation

I provide professional Linux server administration, security hardening, incident investigation, and attack remediation for VPS, cloud, dedicated, and production environments.

Contact for custom orders

Linux Administration

• Debian, Ubuntu, RHEL, Rocky Linux, AlmaLinux and other distributions
• Server configuration and optimization
• User, group and privilege management
• Service management 
• Docker
• Nginx / Apache configuration
• PostgreSQL / MySQL security configuration
• WAF / Cloudflare & Reverse proxy configuration

Security Hardening

• SSH hardening and key-based authentication
• Firewall configuration
• DDoS & brute-force protection
• CIS-aligned security configuration
• Patches and security update
• TLS/SSL configuration
• Security logging and auditing

Infrastructure Security

• Cloud Linux security
• Network segmentation
• Secure remote administration
• Backup and recovery recommendations

Incident Investigation & Remediation

• Authentication and system log analysis
• Malware and suspicious process investigation
• Persistence detection
• Compromised account investigation
• IOC identification
• Attack remediation
• Post-incident hardening

Monitoring & Security Integration

• Zabbix monitoring
• Centralized logging