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Red Hat | Centos | Oracle Linux Server | Debian | Ubuntu | Solaris | AIX | System V | BSD

  • Red Hat Certified Engineer
  • LogicMonitor Certified Professional
  • GE Medical Systems (GEMS) Certified Administrator
  • Detailed experience managing, and tuning VMware VCenter, ESXi hypervisors, AWS EC2 dynamic cloud servers, virtual private servers, virtual hosts, and guest OS’s.
  • Administration of Cisco, pfSense, SonicWall, Barracuda, and A10 network equipment.
  • WAF (Web Application Firewall) administration of Imperva’s Incapsula, and CloudFlare.
  • Java Management of Glassfish, Wildfly, and Tomcat.
  • Performing Security Audits of both existing, and new servers. So many servers, expose more attack surface than desirable. Identifying, and minimizing that exposure is an absolute necessity for any system on a network. Internal, or external.
  • HIPAA, and PCI complacency installations, and auditing.
  • Managing, replication, and tuning of large, heavily used MySQL databases, and database clusters.
  • Managing resources for web sites that experience substantial load levels of legitimate users originated from websites like Slashdot, Digg, Twitter, Reddit and the like.
  • Installation, and configuration of Veritas Volume Manager, and Veritas File Systems, and Linux Volume Manager (LVM).
  • Installation, and management of Storage Area Networks (SAN), and Network Addressable Storage (NAS).
  • Configuration, and implementation of, Smoothwall, IPTables , IPCOP, DD-WRT, and other Firewall solutions to effectively block ongoing security, and DDOS/DOS network attacks.
  • Implementation of dynamic blocking to prevent compromise of systems from standard dictionary attacks launched at Internet facing services such as SSH, and FTP.
  • Performance monitoring, and alerting via LogicMonitor, Nagios and similar systems, for 24/7 environments.
  • Kernel tuning to increase network saturationdisk usage, and effective memory swapping.
  • Extensive knowledge about many different backup solutions.
  • Administration, installation, and configuration of the streaming media services Icecast, and Shoutcast.
  • Identification, and removal of unwanted services, and users from compromised systems. Including back-doors, root-kitstrojansmail-relays, and the like.
  • Configuration and management of high-performance Apache and Nginx installations. Installation and management of load balancers and proxy/cache configurations such as A10, Zen, Varnish, Pound Proxy, and IPVS.

I am an expert system administrator who has been providing freelance IT support in and around Austin Texas, for more than a decade. I do this as an independent consultant, not as part of a larger service. When you contract with me, you can rest assured that I will be doing the work, not someone off-shore.

In-person meetings around Austin TX, as well as phone and teleconferences, are available most of the day or night.

Shane Chambers


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