Red Hat Enterprise Linux 6 and Lonely Planet

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A brief talk on how simple transitioning an OS can be across a big environment when your culture and technology is right.

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Red Hat Enterprise Linux 6 and Lonely Planet

  1. 1. 1<br />Mark Barger<br />Linux Engineer<br />#lpitops<br />@mark_barger<br />Red Hat Enterprise Linux 6 and Lonely Planet<br />
  2. 2. 2<br />Environments<br />275 Linux servers<br />Vast majority were Red Hat Enterprise Linux 5<br />Very progressive Ruby development that was being limited by RHEL5<br />
  3. 3. 3<br />Transition<br />Rolled out RHEL6 beta for some applications in September last year <br />RHEL6 stable released in November. Upgraded everything from beta to stable<br />Remaining servers are all being transitioned<br />
  4. 4. 4<br />New in RHEL6<br />Control Groups (cgroups) <br />Assign RAM/CPU resources to processes<br />RHEV-H and RHEV-M<br />Bare metal install virtualisation platform<br />Horrible management platform…<br />
  5. 5. 5<br />
  6. 6. 6<br />
  7. 7. 7<br />To succeed:<br />Infrastructure as Code<br />Config management<br />Excellent communication between Dev and Ops<br />Embed Ops staff in Dev teams<br />Don’t use RHEV-M… Yet.<br />
  8. 8. 8<br />Mark Barger<br />Linux Engineer<br />#lpitops<br />@mark_barger<br />mark.barger@lonelyplanet.com.au<br />Images: http://www.pingusenglish.com/courseoverview/<br />

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