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Welcome to Rex Consulting!

Rex Consulting, Inc. is an IT Consulting and Managed Services Provider specializing in Nagios Monitoring, LDAP, SMTP, Identity Management, and Automation.

For small and medium business, we provide email security, archiving and policy compliance consulting and Software-as-a-service (SaaS) solutions. For large business, we provide email architecture and identity management services. Be sure and check out our SMB solutions and enterprise solutions pages.

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Latest Posts

  • Knowledge is not Skill.
    Here’s some things to look for in hiring any Linux or UNIX expert, but especially LDAP or monitoring experts: (NOTE: THIS IS NOT A COMPLETE LIST; JUST ONE VERY GOOD… read more →
  • Tamiasciurus hudsonicus
    “Planning is the Hallmark of Intelligence” With Nagios Monitoring implementations, “Planning is the Hallmark of Intelligence”. Actually I borrowed that phrase from some animal show about squirrels and how squirrels… read more →
  • Nagios-logo
    Steps to build the latest Nagios NRPE agent and nagios-plugins package for MacOS with SSL support: Download openssl-0.9.8zh.tar.gz Unpack and compile openssl-0.9.8gz (but do not “make install”): tar xzf openssl-0.9.8zh.tar.gz… read more →
  • broken key
    Be sure to delete expired SSH and SSL keys that you no longer use. If someone is capturing your encrypted data and saving it somewhere, they would be able to… read more →
  • Priviledge Separation
    It is a Best Practice to run monitoring agents with privilege separation. This means that the user ID that you run the monitoring agent should be a different user ID… read more →
  • nottracking
    If you have a monitoring system, for maximum effectiveness, you need to be disciplined about handling alerts. “Handling alerts” means either A) fixing the problem that caused the alert in… read more →
  • defeat device
    Volkswagen installed their “defeat device” on 11 million vehicles sold in the U.S. Like other examples of bad management, this was caused by lack of discipline and control. In this… read more →
  • Disabled Alarm Contributed to Deepwater Horizon Disaster
    Disabled Alarm Contributed to Deepwater Horizon Disaster The Deepwater Horizon disaster was caused in part by a disabled alarm system. The alarm system was disabled for the wrong, yet all-too-common,… read more →
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