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Infrastructure Engineering. Bryan McLellan http:// Systems Administrator Widemile. Landing Page Optimization (LPO) or Proprietary Testing, Optimization and Predictive Analytics Technology (smart people). Partner Program (Recently Launched).

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Infrastructure engineering

Infrastructure Engineering

Bryan McLellan


Systems Administrator


Infrastructure engineering

Partner Program (Recently Launched)

Full Service Clients

Infrastructure engineering

The secret goal of an SA

Never having to say you’re sorry…

Or never having to do something twice

Once is a problem worth solving

Twice and you’re a monkey


Systems/Network engineering position that will capitalize on my adaptive technical skills to provide scalable solutions to unique problems

Chaining tools frameworks
Chaining Tools & Frameworks

Puppet, Facter, Capistrano & iClassify

(Open Source Software)


  • Building Systems

  • Installing the OS

  • Installing software

  • Configuring Software

  • Maintenance

  • Monitoring

  • Documentation

  • Disaster Recovery

  • Virtualization

  • PXE Boot

  • Package management

  • Puppet

  • iClassify

  • Capistrano

  • Nagios/Munin

Life at widemile
Life at Widemile

Build a new server

cap -S recipe=vmware \

-S host=vmware06 \

-S hostname="" \

-S network=prod \


Capistrano recipe (ruby)

Builds a vmwarevmxconfigfile including virtual network interfaces (erb)

Creates virtual disk

Grabs generated MAC address, feeds it to the tftp server.

Starts VM

VM PXE boots, installs debian automatically (preseed)

Grabs IP address from DHCP logs so you know where to ssh in 10 minutes

Life at widemile1
Life at Widemile


cap -S recipe=debian_client \

-S client=syslog01 \

-S master=prod-ops01 \


Capistrano recipe (ruby)

Configures sources.list and bits needed to get the truck rolling

Installs puppet/facter/icagent (iClassify)

Generates and signs puppet keys

Runs puppet

Life at widemile2
Life at Widemile


Life at widemile3
Life at Widemile

Go for a bike ride and enjoy refreshing beverages in the park


Rubys scripts collect data, “facts” are available as iClassify attributes and puppet variables


28 lines without comments, 241 lines without comments once deployed

Infrastructure engineering

“Parallel to the ‘Developer’ tribe in most organizations, often with a semi-antagonistic mutual dependence, there was always another tribe: ‘Sysadmin’. When Developers and Sysadmins got together, it sometimes felt like the dwarfs and high elves forced to work together by necessity. (I’ll let you workout which is which.)”