System Monitoring & Alerting

DSW have just completed a large installation and configuration of Cacti & Nagios for one of their clients

Here is a list of some of the Hardware and Software used

  • RHEL 6 – RedHat Enterprise Linux on a vSphere Virtual Machine (vCenter & ESXi 4.1)
  • Nagios Core v3.3.1 – Monitoring and Alerting
  • snmptt – SNMP trap daemon configured to pass selected traps into Nagios via the Nagios command file
  • Various Nagios plugins to connect to MSSQL & Informix databases
  • NRPE – Nagios client for Linux
  • NSClient++ v0.3.9 – Nagios client for Windows servers
  • FoxBox G20 – SMS gateway
  • Websensor EM01b – Temperature/Humidity/Illumination sensor
  • Cacti v0.8.7g – Performance monitoring

IT Strategy Review

DSW are currently running an IT Strategy Review for one of their customers.

Do you know what direction your business should be taking as far as the IT strategy is concerned. What are your plans for the next 6 months, year or 5 years?

There is a big buzz about Cloud Computing but what is it and is it the right technology for you and your business?

Why not contact us and see if we can help you and steer your business in the right direction.

Registerdns – how does it work?

I had the situation whereby a server had two dns servers configured and both of these dns servers had the dns zone installed as secondary. So how did the server update/register it’s forward and reverse lookup dns records? This page will help you understand what happens.

New vSphere environment

DSW is currently designing and building a new vSphere 4.1 environment for one of their customers. They currently only run a couple of ESXi servers so this is their first step into virtualisation in their production environment.