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DevOps Where
You Wouldn't Have Expected
Thomas A. Limoncelli, SRE @YesThatTom
New York City
1 PunkRockDevops - October 21,...
Who is Tom Limoncelli?
• SRE at Stack Overflow, Inc (NYC)
• Sysadmin since 1988 (Google, AT&T/Bell Labs, Mentor)
• Blog: Ev...
http://blogs-images.forbes.com/benkerschberg/files/2015/02/devops-pic-1.png
3 PunkRockDevops - October 21, 2016
4 PunkRockDevops - October 21, 2016
The
Principles of
Punk Rock
Music+ =
The Clash
The
Principles of
Punk Rock
Music+ =
5 PunkRockDevops - October 21, 2016
properganda.co.uk
6 PunkRockDevops - October 21, 2016
The
Principles of
Punk Rock
Music+ =
The Clash
The
Principles of
Punk Rock
Music+ =
Leather Jackets
Swearing
Heavy drinkin...
The
Principles of
Punk Rock
Music+ =
The Clash
The
Principles of
Punk Rock
Music+ =
The
Principles of
Punk Rock
Poetry+ =
...
The
Principles of
Punk Rock
Music+ =
The Clash
The
Principles of
Punk Rock
Music+ =
The
Principles of
Punk Rock
Poetry+ =
...
http://blogs-images.forbes.com/benkerschberg/files/2015/02/devops-pic-1.png
10 PunkRockDevops - October 21, 2016
The
Principles of
DevOps
SDLC+ =
The
Principles of
DevOps
SDLC+ =
11 PunkRockDevops - October 21, 2016
The DevOps Principles
(1) The Three Ways of DevOps
(2) The Small Batches Principle
(3) Minimum Viable Product
12 PunkRockD...
The
Principles of
DevOps
SDLC+ =
The
Principles of
DevOps
SDLC+ =
Git
CI/CD
Puppet
Containers
A CB
13 PunkRockDevops - Oct...
The
Principles of
DevOps
SDLC+ =
The
Principles of
DevOps
SDLC+ =
The
Principles of
DevOps
New
Employee
Onboarding
+ =
The...
The
Principles of
DevOps
SDLC+ =
The
Principles of
DevOps
SDLC+ =
The
Principles of
DevOps
New
Employee
Onboarding
+ =
The...
The DevOps Principles
(1) The Three Ways of DevOps
(2) The Small Batches Principle
(3) Minimum Viable Product
16 PunkRockD...
(1) The Three Ways
of DevOps
17 PunkRockDevops - October 21, 2016
(you really should
read this book)
The Three Ways of DevOps
18 PunkRockDevops - October 21, 2016
The Three Ways of DevOps
(a way to improve complex processes)
PM DEV QA OPS
19 PunkRockDevops - October 21, 2016
The Three Ways of DevOps
(a way to improve complex processes)
PM DEV QA OPS
20 PunkRockDevops - October 21, 2016
System Thinking
Amplify Feedback Loops
Culture of Continual Experimentation and Learning
The Process
Trying New Things
Com...
The Process
Communication
Trying New Things
The Three Ways of DevOps
AwesomeSuck
ComprehensiveLacking
ConstantResisted
22 ...
The Process
Communication
Trying New Things
The Three Ways of DevOps
AwesomeSuckNonexistent
ComprehensiveLackingPunished
C...
The Three Ways of DevOps
Recruiting HR IT Team
(a way to improve complex processes)
24 PunkRockDevops - October 21, 2016
New Employee Onboarding
• Process: Ad hoc. Improvised. Broken.
• Communication: Terrible. IT given no warning about arriva...
New Employee Onboarding
• Process: Got agreement on a “onboarding timeline”.
Automated OS install/config for workstations.
...
And more…
Cust Support 2nd Tier PM/Dev
Customer support escalations:
Sales CFO Make Shipping
Product fulfillment:
27 PunkRo...
(1) The Three Ways
of DevOps
28 PunkRockDevops - October 21, 2016
(2) The
Small Batches
Principle
29 PunkRockDevops - October 21, 2016
30 PunkRockDevops - October 21, 2016
The Small Batches Principle:
Doing work in small batches
is better than big batches.
[Work. Check. Work. Check. Work. Chec...
StackOverflow.com
The Internet
NY CO
32 PunkRockDevops - October 21, 2016
StackOverflow.com
The Internet
NY CO
33 PunkRockDevops - October 21, 2016
Big Batch Failovers
• The NY Datacenter fails less than once a year.
• In that time:
• “unintentional differences” accumul...
The 2013 failover was a “big batch”
• Took 10+ hours (15 minutes user-visible down-time)
• Required “hands on” by 3 teams....
Needed: “small batch” failovers
• More frequent failovers == smaller
accumulation of differences.
• So…. we Force Failover...
Drill Results
30
20
12
5
10
5
2 1
Labor
Hours
Bugs
Filed
37 PunkRockDevops - October 21, 2016
Why?
• Each drill “surfaces” areas of improvement.
• Each member of the team gains experience and builds confidence.
• High...
Other applications of SBP
Big Small
Desktop PC
Upgrades
All PCs replaced next
Thursday
“n” PCs replaced per
week
New Email...
(2) The
Small Batches
Principle
40 PunkRockDevops - October 21, 2016
(3) Minimum Viable Product
41 PunkRockDevops - October 21, 2016
Delivering some value sooner
is better than all value later.
Minimum Viable Product
features, stuff,
the goods,
benefits
4...
Start
10 months
Launch
!!!!!!!
Boo!
Not what
we wanted!
Yuck!
Start
Launch! Launch! Launch! Launch!Launch! Launch! Launch!...
Benefits
• You help people sooner! (“Accelerated Delivery of Value”)
• One feature now is better than all features later!
•...
Start
Launch
!!!!!!!
Start
Launch! Launch! Launch! Launch!Launch! Launch! Launch! Launch!
PROJECT
CANCELLED!
1. Less waste...
OS Install Automation
1.Replace “carrying DVD to
desktop” with netboot.
• Only a specific VLAN.
• No OS customization.
• No...
The Monitoring Project
6 months in:
• A lot of debates.
• A lot of disagreements.
• A lot of specification documents.
• Not...
The Monitoring Project II
1. Install open source system.
2. Monitor 1 server.
3. Monitor Routers.
1. Discover SNMP disable...
The Book Project
Start
Launch! Launch! Launch! Launch!Launch! Launch! Launch! Launch!
49 PunkRockDevops - October 21, 2016
2001 20162014
“Volume 2”
SRE/Cloud/
Web
3rd Edition
2006
2nd Edition
The Clash
CVS SubVersion GIT
GIT
LaTeX
Make Make
LaTe...
80% done
Rush to finish!
Start
Launch
!!!!!!!
2 Months from Deadline
51 PunkRockDevops - October 21, 2016
1.
2.
3.
4.
Fix Chapter Order
New chapters (22)
Replaced outdated chapters (6)
Update all other chapters
3rd Edition Goals...
1.
2.
3.
4.
Fix Chapter Order
New chapters (22)
Replaced outdated chapters (6)
Update all other chapters
Launch
!!!!!!!
Pr...
1.
2.
3.
4.
Fix Chapter Order
New chapters (22)
Replaced outdated chapters (6)
Update all other chapters
Launch
!!!!!!!
Pr...
1.
2.
3.
4.
Fix Chapter Order
New chapters (22)
Replaced outdated chapters (6)
Update the other chapters
Launch
!!!!!!!
Pr...
1.
2.
3.
4.
Fix Chapter Order
New chapters (22)
Replaced outdated chapters (6)
Update the other chapters
Launch
!!!!!!!
Pr...
1.
2.
3.
4.
Fix Chapter Order
New chapters (22)
Replaced outdated chapters (6)
Update the other chapters
Launch
!!!!!!!
Pr...
1.
2.
3.
4.
Fix Chapter Order
New chapters (22)
Replaced outdated chapters (6)
Update the other chapters
Launch
!!!!!!!
Pr...
1.
2.
3.
4.
Fix Chapter Order
New chapters (22)
Replaced outdated chapters (8)
Update the other chapters
Launch
!!!!!!!
Pr...
(3) Minimum Viable Product
60 PunkRockDevops - October 21, 2016
The Three Ways of DevOps:
Improves Complex Process
• SDLC
• Support Escalations
• Restaurant Logistics
• Product Fulfillmen...
The Three Ways of DevOps:
Improves Complex Process
• SDLC
• Support Escalations
• Restaurant Logistics
• Product Fulfillmen...
The Three Ways of DevOps:
Improves Complex Process
• SDLC
• Support Escalations
• Restaurant Logistics
• Product Fulfillmen...
The Three Ways of DevOps:
Improves Complex Process
• SDLC
• Support Escalations
• Restaurant Logistics
• Product Fulfillmen...
Summary
the-sysadmin-book.com
(enterprise/IT/helpdesk)
the-cloud-book.com
(web/Cloud/SRE)
Vol 1 Vol 2
Nov 4th
The Three Wa...
66 PunkRockDevops - October 21, 2016
Summary
the-sysadmin-book.com
(enterprise/IT/helpdesk)
the-cloud-book.com
(web/Cloud/SRE)
Vol 1 Vol 2
Nov 4th
The Three Wa...
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PuppetConf 2016: DevOps Where You Wouldn't Have Expected – Thomas Limoncelli, StackOverflow.com

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Here are the slides from Thomas Limoncelli's PuppetConf 2016 presentation called DevOps Where You Wouldn't Have Expected. Watch the videos at https://www.youtube.com/playlist?list=PLV86BgbREluVjwwt-9UL8u2Uy8xnzpIqa

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PuppetConf 2016: DevOps Where You Wouldn't Have Expected – Thomas Limoncelli, StackOverflow.com

  1. 1. DevOps Where You Wouldn't Have Expected Thomas A. Limoncelli, SRE @YesThatTom New York City 1 PunkRockDevops - October 21, 2016
  2. 2. Who is Tom Limoncelli? • SRE at Stack Overflow, Inc (NYC) • Sysadmin since 1988 (Google, AT&T/Bell Labs, Mentor) • Blog: EverythingSysadmin.com Twitter: @YesThatTom • Author… 2 PunkRockDevops - October 21, 2016
  3. 3. http://blogs-images.forbes.com/benkerschberg/files/2015/02/devops-pic-1.png 3 PunkRockDevops - October 21, 2016
  4. 4. 4 PunkRockDevops - October 21, 2016
  5. 5. The Principles of Punk Rock Music+ = The Clash The Principles of Punk Rock Music+ = 5 PunkRockDevops - October 21, 2016
  6. 6. properganda.co.uk 6 PunkRockDevops - October 21, 2016
  7. 7. The Principles of Punk Rock Music+ = The Clash The Principles of Punk Rock Music+ = Leather Jackets Swearing Heavy drinking Sniffing glue A B C 7 PunkRockDevops - October 21, 2016
  8. 8. The Principles of Punk Rock Music+ = The Clash The Principles of Punk Rock Music+ = The Principles of Punk Rock Poetry+ = Patti Smith The Principles of Punk Rock Literature+ = Zines Leather Jackets Swearing Heavy drinking Sniffing glue 8 PunkRockDevops - October 21, 2016
  9. 9. The Principles of Punk Rock Music+ = The Clash The Principles of Punk Rock Music+ = The Principles of Punk Rock Poetry+ = Patti Smith The Principles of Punk Rock Literature+ = Zines Leather Jackets Swearing Heavy drinking Sniffing glue A B C 9 PunkRockDevops - October 21, 2016
  10. 10. http://blogs-images.forbes.com/benkerschberg/files/2015/02/devops-pic-1.png 10 PunkRockDevops - October 21, 2016
  11. 11. The Principles of DevOps SDLC+ = The Principles of DevOps SDLC+ = 11 PunkRockDevops - October 21, 2016
  12. 12. The DevOps Principles (1) The Three Ways of DevOps (2) The Small Batches Principle (3) Minimum Viable Product 12 PunkRockDevops - October 21, 2016
  13. 13. The Principles of DevOps SDLC+ = The Principles of DevOps SDLC+ = Git CI/CD Puppet Containers A CB 13 PunkRockDevops - October 21, 2016
  14. 14. The Principles of DevOps SDLC+ = The Principles of DevOps SDLC+ = The Principles of DevOps New Employee Onboarding + = The Principles of DevOps Failovers+ = Git CI/CD Puppet Containers ??? ????? ?????? ?????????? 14 PunkRockDevops - October 21, 2016
  15. 15. The Principles of DevOps SDLC+ = The Principles of DevOps SDLC+ = The Principles of DevOps New Employee Onboarding + = The Principles of DevOps Failovers+ = Git CI/CD Puppet Containers A ??? ????? ?????? ?????????? CB 15 PunkRockDevops - October 21, 2016
  16. 16. The DevOps Principles (1) The Three Ways of DevOps (2) The Small Batches Principle (3) Minimum Viable Product 16 PunkRockDevops - October 21, 2016
  17. 17. (1) The Three Ways of DevOps 17 PunkRockDevops - October 21, 2016
  18. 18. (you really should read this book) The Three Ways of DevOps 18 PunkRockDevops - October 21, 2016
  19. 19. The Three Ways of DevOps (a way to improve complex processes) PM DEV QA OPS 19 PunkRockDevops - October 21, 2016
  20. 20. The Three Ways of DevOps (a way to improve complex processes) PM DEV QA OPS 20 PunkRockDevops - October 21, 2016
  21. 21. System Thinking Amplify Feedback Loops Culture of Continual Experimentation and Learning The Process Trying New Things Communication The Three Ways of DevOps 21 PunkRockDevops - October 21, 2016
  22. 22. The Process Communication Trying New Things The Three Ways of DevOps AwesomeSuck ComprehensiveLacking ConstantResisted 22 PunkRockDevops - October 21, 2016
  23. 23. The Process Communication Trying New Things The Three Ways of DevOps AwesomeSuckNonexistent ComprehensiveLackingPunished ConstantParalysis Resisted 23 PunkRockDevops - October 21, 2016
  24. 24. The Three Ways of DevOps Recruiting HR IT Team (a way to improve complex processes) 24 PunkRockDevops - October 21, 2016
  25. 25. New Employee Onboarding • Process: Ad hoc. Improvised. Broken. • Communication: Terrible. IT given no warning about arrivals. • Trying New Things: Out of the question. • Result: • New employees unproductive for 4 weeks. • First impression: I just joined a company of idiots. • Everyone blames the IT department. 25 PunkRockDevops - October 21, 2016
  26. 26. New Employee Onboarding • Process: Got agreement on a “onboarding timeline”. Automated OS install/config for workstations. • Communication: ID’ed process owner. Communication channels. • Trying New Things: Google Sheets -> Trello -> Custom app. Efficiency through alignment: Monday is Start Day. • Improvements: • New employees: Productive on day #1. • First impression: Excellence/cooperation/efficiency. • Less work for everyone involved! • Opened the door to software to manage accounts, machines, etc. 26 PunkRockDevops - October 21, 2016
  27. 27. And more… Cust Support 2nd Tier PM/Dev Customer support escalations: Sales CFO Make Shipping Product fulfillment: 27 PunkRockDevops - October 21, 2016
  28. 28. (1) The Three Ways of DevOps 28 PunkRockDevops - October 21, 2016
  29. 29. (2) The Small Batches Principle 29 PunkRockDevops - October 21, 2016
  30. 30. 30 PunkRockDevops - October 21, 2016
  31. 31. The Small Batches Principle: Doing work in small batches is better than big batches. [Work. Check. Work. Check. Work. Check.] is better than [Work, work, work, Check.] 31 PunkRockDevops - October 21, 2016
  32. 32. StackOverflow.com The Internet NY CO 32 PunkRockDevops - October 21, 2016
  33. 33. StackOverflow.com The Internet NY CO 33 PunkRockDevops - October 21, 2016
  34. 34. Big Batch Failovers • The NY Datacenter fails less than once a year. • In that time: • “unintentional differences” accumulate. • New SRE team members are hired 34 PunkRockDevops - October 21, 2016
  35. 35. The 2013 failover was a “big batch” • Took 10+ hours (15 minutes user-visible down-time) • Required “hands on” by 3 teams. • Found 30+ “improvements needed” • Certain people were S.P.O.F. 35 PunkRockDevops - October 21, 2016
  36. 36. Needed: “small batch” failovers • More frequent failovers == smaller accumulation of differences. • So…. we Force Failovers Frequently to achieve our “small batches” 36 PunkRockDevops - October 21, 2016
  37. 37. Drill Results 30 20 12 5 10 5 2 1 Labor Hours Bugs Filed 37 PunkRockDevops - October 21, 2016
  38. 38. Why? • Each drill “surfaces” areas of improvement. • Each member of the team gains experience and builds confidence. • Highlighted automation, documentation, and resource needs. • Frequency reduces risk! 38 PunkRockDevops - October 21, 2016
  39. 39. Other applications of SBP Big Small Desktop PC Upgrades All PCs replaced next Thursday “n” PCs replaced per week New Email Sever Service disabled for a weekend-long upgrade Migrate n users each week Relationships Letting frustration build up… then explode Frequent constructive criticism Weight Loss “I’ll lose 40 pounds” “I’ll lose 5 pounds, again and again” 39 PunkRockDevops - October 21, 2016
  40. 40. (2) The Small Batches Principle 40 PunkRockDevops - October 21, 2016
  41. 41. (3) Minimum Viable Product 41 PunkRockDevops - October 21, 2016
  42. 42. Delivering some value sooner is better than all value later. Minimum Viable Product features, stuff, the goods, benefits 42 PunkRockDevops - October 21, 2016
  43. 43. Start 10 months Launch !!!!!!! Boo! Not what we wanted! Yuck! Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! Launch! 43 PunkRockDevops - October 21, 2016
  44. 44. Benefits • You help people sooner! (“Accelerated Delivery of Value”) • One feature now is better than all features later! • Earlier Feedback! • Validates assumptions. • A chance to pivot! • Users don’t like it? Change direction! • SREs get a chance to develop operational expertise: • Run-book, Upgrade process, Failover practice, Documentation, etc. 44 PunkRockDevops - October 21, 2016
  45. 45. Start Launch !!!!!!! Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! Launch! PROJECT CANCELLED! 1. Less waste! People are being helped! 2. Happy users advocate for you. 3. The last 20% is “would be nice.” 45 PunkRockDevops - October 21, 2016
  46. 46. OS Install Automation 1.Replace “carrying DVD to desktop” with netboot. • Only a specific VLAN. • No OS customization. • No RAID/special NICs. 2.Eliminate all prompts. 3.Customize OS. 4.Start Puppet. • Activate for more VLANs. • Handle RAID controllers. • Dual NICs. • Replicate in other buildings. • Add host to inventory. • Choice of disk layouts. • Other operating systems. • Boot LiveCD. Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! Launch! 46 PunkRockDevops - October 21, 2016
  47. 47. The Monitoring Project 6 months in: • A lot of debates. • A lot of disagreements. • A lot of specification documents. • Nothing is being monitored. Start Launch !!!!!!! 47 PunkRockDevops - October 21, 2016
  48. 48. The Monitoring Project II 1. Install open source system. 2. Monitor 1 server. 3. Monitor Routers. 1. Discover SNMP disabled. 4. No dashboards? 5. Change software. 6. Focus on self-service dashboards. 7. Monitor more devices. 8. … 9. … 10.… 11.… 12.… 13.… 14.… 15.… Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! Launch! 48 PunkRockDevops - October 21, 2016
  49. 49. The Book Project Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! Launch! 49 PunkRockDevops - October 21, 2016
  50. 50. 2001 20162014 “Volume 2” SRE/Cloud/ Web 3rd Edition 2006 2nd Edition The Clash CVS SubVersion GIT GIT LaTeX Make Make LaTeX Make LaTeX Make LaTeX “Volume 1” Enterprise/ IT/Helpdesk Nov 4th 50 PunkRockDevops - October 21, 2016
  51. 51. 80% done Rush to finish! Start Launch !!!!!!! 2 Months from Deadline 51 PunkRockDevops - October 21, 2016
  52. 52. 1. 2. 3. 4. Fix Chapter Order New chapters (22) Replaced outdated chapters (6) Update all other chapters 3rd Edition Goals Start Launch !!!!!!! 52 PunkRockDevops - October 21, 2016
  53. 53. 1. 2. 3. 4. Fix Chapter Order New chapters (22) Replaced outdated chapters (6) Update all other chapters Launch !!!!!!! Project Phases Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! 53 PunkRockDevops - October 21, 2016
  54. 54. 1. 2. 3. 4. Fix Chapter Order New chapters (22) Replaced outdated chapters (6) Update all other chapters Launch !!!!!!! Project Phases Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! 54 PunkRockDevops - October 21, 2016
  55. 55. 1. 2. 3. 4. Fix Chapter Order New chapters (22) Replaced outdated chapters (6) Update the other chapters Launch !!!!!!! Project Phases Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! 55 PunkRockDevops - October 21, 2016
  56. 56. 1. 2. 3. 4. Fix Chapter Order New chapters (22) Replaced outdated chapters (6) Update the other chapters Launch !!!!!!! Project Phases Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! 56 PunkRockDevops - October 21, 2016
  57. 57. 1. 2. 3. 4. Fix Chapter Order New chapters (22) Replaced outdated chapters (6) Update the other chapters Launch !!!!!!! Project Phases Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! 57 PunkRockDevops - October 21, 2016
  58. 58. 1. 2. 3. 4. Fix Chapter Order New chapters (22) Replaced outdated chapters (6) Update the other chapters Launch !!!!!!! Project Phases Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! HINT! 58 PunkRockDevops - October 21, 2016
  59. 59. 1. 2. 3. 4. Fix Chapter Order New chapters (22) Replaced outdated chapters (8) Update the other chapters Launch !!!!!!! Project Phases Start Launch! Launch! Launch! Launch!Launch! Launch! Launch! Most enjoyable writing experience yet. 59 PunkRockDevops - October 21, 2016
  60. 60. (3) Minimum Viable Product 60 PunkRockDevops - October 21, 2016
  61. 61. The Three Ways of DevOps: Improves Complex Process • SDLC • Support Escalations • Restaurant Logistics • Product Fulfillment • New Employee Onboarding Summary Small Batches Principle: Reduce Risk/Better Quality • Failovers • Desktop PC Upgrades • Migrating Users • Relationships • Losing Weight Minimum Viable Product: Deliver Value Faster • Software Releases • OS Installation • Controversial Projects • Unclear Requirements • Writing Books 61 PunkRockDevops - October 21, 2016
  62. 62. The Three Ways of DevOps: Improves Complex Process • SDLC • Support Escalations • Restaurant Logistics • Product Fulfillment • New Employee Onboarding Summary Small Batches Principle: Reduce Risk/Better Quality • Failovers • Desktop PC Upgrades • Migrating Users • Relationships • Losing Weight Minimum Viable Product: Deliver Value Faster • Software Releases • OS Installation • Controversial Projects • Unclear Requirements • Writing Books 62 PunkRockDevops - October 21, 2016
  63. 63. The Three Ways of DevOps: Improves Complex Process • SDLC • Support Escalations • Restaurant Logistics • Product Fulfillment • New Employee Onboarding Summary Small Batches Principle: Reduce Risk/Better Quality • Failovers • Desktop PC Upgrades • Migrating Users • Relationships • Losing Weight Minimum Viable Product: Deliver Value Faster • Software Releases • OS Installation • Controversial Projects • Unclear Requirements • Writing Books 63 PunkRockDevops - October 21, 2016
  64. 64. The Three Ways of DevOps: Improves Complex Process • SDLC • Support Escalations • Restaurant Logistics • Product Fulfillment • New Employee Onboarding Summary Small Batches Principle: Reduce Risk/Better Quality • Failovers • Desktop PC Upgrades • Migrating Users • Relationships • Losing Weight Minimum Viable Product: Deliver Value Faster • Software Releases • OS Installation • Controversial Projects • Unclear Requirements • Writing Books 64 PunkRockDevops - October 21, 2016
  65. 65. Summary the-sysadmin-book.com (enterprise/IT/helpdesk) the-cloud-book.com (web/Cloud/SRE) Vol 1 Vol 2 Nov 4th The Three Ways of DevOps: Improves Complex Process • SDLC • Support Escalations • Restaurant Logistics • Product Fulfillment • New Employee Onboarding Small Batches Principle: Reduce Risk/Better Quality • Failovers • Desktop PC Upgrades • Migrating Users • Relationships • Losing Weight Minimum Viable Product: Deliver Value Faster • Software Releases • OS Installation • Controversial Projects • Unclear Requirements • Writing Books 65 PunkRockDevops - October 21, 2016
  66. 66. 66 PunkRockDevops - October 21, 2016
  67. 67. Summary the-sysadmin-book.com (enterprise/IT/helpdesk) the-cloud-book.com (web/Cloud/SRE) Vol 1 Vol 2 Nov 4th The Three Ways of DevOps: Improves Complex Process • SDLC • Support Escalations • Restaurant Logistics • Product Fulfillment • New Employee Onboarding Small Batches Principle: Reduce Risk/Better Quality • Failovers • Desktop PC Upgrades • Migrating Users • Relationships • Losing Weight Minimum Viable Product: Deliver Value Faster • Software Releases • OS Installation • Controversial Projects • Unclear Requirements • Writing Books 67 PunkRockDevops - October 21, 2016

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