Profile image of crashus3
@crashus3
Flag of Ukraine Kharkov, Ukraine
Member since 10 Mart 2010
0 Tavsiye

crashus3

Çevrimiçi Çevrimdışı
High-load web-environments are my primary interest. Vast experience in failover\\clustering and ddos protection allows me to design and implement stable and efficient infrastructure exactly for application needs. I have extensive experience with multiple unix operating systems with an emphasis on FreeBSD but also linux, network hardware, system and network security as well as network design. I learn new concepts and systems quickly. I work well alone or in a group, I also have experience managing groups. Technical experience: - 8 Years *BSD (Primary FreeBSD but have some NetBSD experience also) - 8 Years linux (redhat and debian-based distros mainly) - 11 Years Windows as my main Desktop system, basic server support for windows 2003-2008 distros - Strong background in web hosting (Managing high-load servers, monitoring and server software maintenance + solving clients issues) - Strong background in networking - All kinds of web and mailing software (Apache, nginx, lighttpd, exim, postfix, dovecot, exchange) - Voip (Asterisk + FreePBX) - Systems monitoring and backups - Basic php and perl programming languages knowledge - High-load mysql tuning, basic postgresql setup Networking: - Server configuration - Network troubleshooting - Basic switch and router maintenance - Network Load-balancing, failover - Ddos mitigation - Network subsystems monitoring (Nagios + Cacti) Security: - Unix security knowledge - Secure internet services - Lan\Wan security, VPN - Firewalls (ipfw, iptables + csf), D-link hardware firewalls - Encryption (PGP, SSL) - OS hardening - Network security design and implementation - Security audit
$20 USD/sa
6 değerlendirme
2.6
  • 67%Tamamlanmış İş
  • 100%Bütçe Dahilinde
  • 100%Zamanında
  • N/ATekrar İşe Alınma Oranı

Portföy

Son Değerlendirmeler

Sertifikalar

  • Nginx 1
    93%
  • Unix Level 2
    85%
  • MySQL Level 1
    80%

Doğrulamalar

  • Facebook Bağlantılı
  • Tercih Edilen Freelancer
  • Ödeme Onaylı
  • Telefonu Doğrulanmış
  • Kimliği Doğrulanmış
  • E-postası Doğrulanmış

Başlıca Becerilerim

Benzer Freelancerlara Göz At