Linux System Administration
- Remote server administration
- Virtual private server management
- System troubleshooting & debugging
- Network management (LAN/WAN)
- Software installation & configuration
- File & directory services, NFS
- Custom kernel builds & module management
- Backup planning & implementation
- Perl, shell, and CGI scripting
- Performance tuning
- Emergency support (24/7)
Internet Support & Management
- Apache web server, SSL, PHP, CGI
- MySql installation & managment
- Email services (SMTP, POP, IMAP, SPAM & virus filtering)
- DNS (BIND, spamhaus data feed)
- FTP, Virtual FTP servers (proftpd, WU, vsftpd, pureftpdd)
- Load Balancing/Clustering
- VPN configuration & deployment
- SAMBA deployment & configuration
- DHCP & TCP/IP Management
Security & Firewall
- Security auditing & updating
- Linux router firewall design & configuration
- Network security auditing & hardening
- Data & colocation center auditing
