All Services Programming & Development Network Administration Share This Copy Link Directly Copy $40/hr · Starting at $200 Installed/configured and manage physical and virtual Linux servers for clients from Small Businesses to a high availability enterprise application for a Fortune 500 company. Services Installed/Configured include: Red Hat Enterprise Linux versions 5, 6 and 7, Apache 2.x Web Servers, Tomcat 5.5, 6 and 7, OpenSSL, Acid/BASE Intrusion Detection System Snort PHP 5.x Scripting Language, MySQL 5.x Database in Replication, SpamAssassin, Webalizer Log Report Tool Nettools network analyzer BIND DNS Server Iptables/Netfilter Rules based firewalls stunnel secure tunneling SSL Certificate(s) Postfix, Sendmail, Qmail SMTP Servers POP3 Servers Backup and alert automation scripts Secure web authentication Virtualization with RHEV, VMWare esxi and Xen/Citrix System Skills & Expertise ApacheApache SpamAssassinCitrixDNSFirewallsiptablesLinuxMySQLPHPPHP 5PostfixQmailRed HatRhceSecuritySendmailSmtpSnortSSLTomcatVirtualizationVMwareWeb ServersXen 5 Reviews Jeff_Carota says, Again, Barry is excellent. for System wide setupon Jan 18, 2005Jeff_Carota says, Barry was chosen from over 15 Gurus. We were extremely impressed with his creative and cost effective solutions. He will be working with us again in the future. InterWorld Translations for System wide setupon Dec 30, 2004carestandard says, Knowledgeable, conscientious, very professional. Excellent instructor! Highly recommended! for Instructor for Ethical Hacker Courseon Sep 20, 2004