System/Server Administration
Linux/Windows System Administration
- Remote server administration
- Co-located/remote hosted server management
- System troubleshooting & debugging
- Network management (LAN/WAN)
- Disaster recovery
- Security auditing & hardening
- Software installation & configuration
- File & directory services, NFS
- Kernel rebuilds & module management
- Backup planning & implementation
- Perl-Shell-CGI-system scripting
- Performance tuning
- Emergency support (24/7)
Internet Support & Management
- Apache WWW server, SSL, PHP, CGI
- Sql, MySql, Oracle install & managment
- Sendmail, Qmail, VpopMail, POP, IMAP
- DNS-BIND (Bind8, Bind9, Balancing)
- FTP, Virtual FTP servers (Proftp, WU)
- Load Balancing/Clustering
- OpenSSL-OpenSSH-Stunnel
- Anti-Spam, Anti-Relay SPEWS-ORBS
- IPtables-IPchains configure and tuning
- SAMBA deployment & configuration
- DHCP & TCP/IP Management
- IP Masquerading & NAT
- LPR & Print services
Security & Firewall
- Security auditing & updating
- Linux router firewall design-configuration
- IPtables-IPchains configure and tuning
- Network security auditing & hardening
- Security alert and upgrade management
- Disaster & compromise recovery
- Data & colocation center auditing
- TCP wrapper & PortSentry
- SSH-OpenSSH-OpenSSL
Local & Wide Area Network
- T1-T3-WAN procurement & installation
- LAN design & deployment
- ISDN Frame-Relay, cable integration
- Router firewall integration
- Ethernet, wireless (802.11b)
- LAN-WAN diagnostics & debugging