Course Specifics

Course Outline

NOTE: The exact contents of this course will depend on the specific variation of UNIX (e.g. AIX, HP/UX, Linux or Solaris) required

UNIX versions

UNIX flavours, how the version of UNIX affects tuning and troubleshooting

System sizing and estimation

Overview, performance concepts, benchmarks, system sizing, performance tuning process, system resources

Overview of the UNIX kernel

Micro kernels, Monolithic kernels, Kernel modules, the kernel

Kernel tuning

Overview, Tuneable parameters, changing parameters, static changing, dynamic changing

Problem analysis tools

Passwords, recovering lost root passwords, common problems, log files, Kernel errors, PANIC, crash, core dump analysis, syslog, process tracing with truss, fsdb

Performance monitoring tools

Cron tables, Systems accounting, sar, iostat, vmstat, kernel profiling and tracing

CPU bottlenecks

Issues and approaches, sar, ps, top, systems accounting, Assessing the load, priorities, customising the scheduler, dispatcher tables, multiple CPUs

Memory bottlenecks

Memory layout, paging, swapping, calculating process sizes, performance solutions, controlling paging and swapping

Disk bottlenecks

Disk structure, the buffer cache, monitoring and balancing the load, tuning actions, virtual disks


Filesystem types - s5, ufs, Vxfs, ext3, structure, problems, performance

Thinking about Onsite?

If you need training for 3 or more people, you should ask us about onsite training. Putting aside the obvious location benefit, content can be customised to better meet your business objectives and more can be covered than in a public classroom. It's a cost effective option.

Submit an enquiry from any page on this site, and let us know you are interested in the requirements box, or simply mention it when we contact you.

Scheduled Dates

  • Location
    Start Date
  • Redhill
    23 Mar 15
  • Redhill
    15 Jun 15

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