Nigel Griffiths has 40 years experience in the computer industry in many roles. Starting as a program in C, porting the UNIX Kernel to new hardware, UNIX system admin, RDBMS DBA, Admin and performance tuning, Benchmarker, new server testing, product launch, IBM Technical conference speaker and evangelist for Power Systems and AIX. 7000 followers between Twitter and LinkedIn and 200 technical topic YouTube videos. When relaxing Nigel codes and support open source performance monitoring tools for AIX and Linux. Warning: don't ask him about njmon, unless you have 4 hours to spare!