Platforms: Windows (XP, Vista, 7), Windows Server (2003, 2008), (Red Hat, CentOS, Fedora, Ubuntu, SUSE,FreeBsd)Cloud Providers: Amazon Web ServicesEnvironment Setups: PHP (LAMP, Joomla, Magento, WordPress, etc.)Database Servers: MySQLEmail Servers: Postfix, SendMail, Exim, Google AppsMonitoring: AWStats, Nagios, Big Brother, CactiCaching / CDN, Nginx, Apace etcLoad Testing: Apache JMeterBackup System: Rsnapshot, RSYNC, Amazon S3, Dedicated Backup Server, CDP server, Idera hotcopyFile Sharing and Security: NFS, Samba, Windows File SharingSecurity: IPTables, Shorewall (exploring) , Port Security, SSH Security / Tunneling, OpenVPN, User / Group Management, GnuPG EncryptionAutomation: Shell Scripting, CronJobs etcVirtualization: OpenVZ, Virtual Box, VMWare (exploring).Troubleshooting: Server / Application Level TroubleshootingDevice level replication, DRBD 8, DRBD 9 support up to 32 instances replications.Administrations tasks:Remove or disable unnecessary servicesChecking files and folder permission for security.Secure and Harden PHP, disable unsafe functions from php.iniChecking necessary ports and prevents unnecessary portsFiles and folders permissions and secure /tmp, /var/tmpInstallation and configuration of CSF, APF, IPTABLES firewall rulesChecking Network connection and Investigate process activityInstallation of mod_security for Apache Shell scripting.Specialties: Server Administration* Linux* Web Servers* Database Servers* Server Security* Server Monitoring* Backup System* Server Optimization* Automation* Virtualization