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Expert in: Unix    
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Languages: English,Romanian
I can provide troubleshooting, guidance, counseling on Linux, Solaris, HP-UX, Applications, Inplementation and Infrastructure.
All chat sessions start FREE!
Chat / Phone: $0.80 per minute (Convert currency)
Email: 5$ for simple questions 20$ for questions requiring more than 20 minutes (Convert currency)
 

Degrees

Native mountaineering and UNIX.

My Expert Service

Nowadays I'm working at my own company called ITCOMMUNITY where I've implemented an IT infrastructure with SUN software,SUN hardware (x86/SPARC), HP hardware (RISC CPU) and as a network level I've used NortelBaystack and, CISCO and CISCO PIX Firewall. This infrastructure has:
  • 2 Reverse Web Proxy Clusters (8 servers total)
  • 2 Web Server Clusters (8 servers total)
  • 4 external Mail Servers with Postfix and Spamassassin
  • 4 internal Mail Servers with Postfix
  • 2 Mail Antivirus Servers with CLAMAV
  • 4 DNS Servers
  • 1 MySQL Cluster (4 servers total)
  • 2 Nagios Monitoring Servers
  • 2 FTP Servers
  • 2 Management Servers
  • 1 Development Server

In the past I've work at SIEMENS where I was responsible for:
  • 3 Internal Proxy Servers with SQUID ICAP
  • 2 External Proxy Servers with SQUID ICAP
  • 1 WebWasher Server
  • 10 Jboss Servers
  • 2 E-Book Servers
  • 1 MySQL Cluster (6 servers total)
  • 3 WebWasher Servers for some customer from Greece
  • 2 Reverse Web Proxy Servers for some customer from Greece
  • 1 WebDAV Server for some customer in Greece
  • 24 Servers with IBM WebSphere

Experience & Qualifications

10+ years in Linux System/Server Administrator with the following distributions Linux Debian, Slackware, RedHat (ES/AS), SuSe
4+ years in Solaris 10 System/Server Administrator
2+ years in FreeBSD System/Server Administrator
Experienced in:
    • DNS Server (Bind 9)
    • Mail Servers (Postfix, Sendmail, Dovecot, Qpopper)
    • Web Servers (Apache, Sun Java System Web Server, Roxen)
    • Proxy Servers (Sun Java System Proxy Server, Squid)
    • Application Servers (Jboss, Tomcat, GlassFish, Zope, WebSphere)
    • Database Servers (MySQL, PostgreSQL, MySQL Replication, MySQL Clustering)
    • Web Filtering (WebWasher, DansGuardian)
    • Instant Messenger(Jabberd 2, Jabberd 1)
    • VPN (OpenVPN, IPSEC)
    • Mail Antivirus (RAV, Bitdefender, Clamav, Symantec BrightMail)
    • Mail Antispam(Spamassassin, Expurgate,SPF)
    • FTP Servers (ProFTP, PureFTPD)
    • Monitoring Applications (Nagios, CACTI, MRTG, HPOpenView, GroundWork)
    • Virtualization Technologies (Solaris 10 Zones, VmWare Server, VmWare ESX, VmWare GSX)
    • DHCP Server (DHCP3)
    • Clustering (Web Clusters with SUN software)
    • Intrusion Detection Systems (Snort, ACID, OSSEC)
    • System Integrity (Aide, Tripware, Tiger)
Hardware Knoledge:
    • HASP Keys
    • SUN Fire V60x
    • SUN Netra
    • NortelBaystack
    • CISCO Pix Firewall
    • CISCO Routers

    Available Modes Of Communication

    email/chat

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