Technical Expertise

Operating systems

  • CentOS / Red Hat / Fedora
  • Cloud Linux
  • Debian / Ubuntu
  • FreeBSD
  • Windows Server 2003 / 2008 / 2012

Web servers

  • Apache
  • Nginx
  • LiteSpeed
  • Lighttpd
  • IIS

Security and optimization

  • SpamAssassin / AMaViS / Mailscanner
  • ClamAV
  • Mod Security
  • Firewalls (CSF/LFD, APF/BFD,
    WAF, etc.)
  • PHP cache systems
    (XCache, APC, etc.)
  • Varnish
  • Cloudflare

Web hosting control panels

  • cPanel/WHM
  • Odin Plesk
  • Direct Admin
  • Webmin
  • CentOS Web Panel

Database servers

  • MySQL
  • PostgreSQL
  • MariaDB
  • MSSQL
  • Oracle
  • MongoDB
  • Apache Hadoop

Cloud systems

  • KVM
  • Xen
  • VMWare
  • OpenStack
  • CloudStack
  • OnApp
  • AWS
  • Google Cloud
  • Rackspace

Billing and issue tracking systems

  • Kayako
  • WHMCS
  • HostBill
  • OTRS
  • Ubersmith
  • ClientExec

Mail servers

  • Postfix
  • Exim
  • Qmail
  • Sendmail
  • Dovecot / Courier
  • MailEnable
  • SmarterMail
  • Zimbra
  • Microsoft Exchange Server

VPS systems

  • OpenVZ
  • Xen
  • KVM
  • Hyper-V
  • Virtuozzo / Parallels Cloud Server
  • SolusVM
  • Proxmox
  • Virtualizor