DevOps MasterClass (1)

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What Is DevOps?
DevOps is a term for a group of concepts that,
while not all new, have catalyzed into a movement
and are rapidly spreading throughout the
technical community.  Like any new and popular
term, people may have confused and sometimes
contradictory impressions of what it is.  Heres
my take on how DevOps can be usefully defined I
propose this definition as a standard framework
to more clearly discuss the various areas DevOps
covers. Like Quality or Agile, DevOps is a
large enough concept that it requires some nuance
to fully understand.
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History of DevOps?
At the 2008 Agile Toronto conference, Andrew
Shafer and Patrick Debois introduced the term in
their talk on "Agile Infrastructure". From 2009,
the DevOps term has been steadily promoted and
brought into more mainstream usage through a
series of "devopsdays", which started
in Belgium and has now spread to other
countries. The term DevOps has been used in
multiple different contexts. In recent years,
more tangential DevOps initiatives have also
evolved, such as OpsDev, WinOps and BizDevOps.
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DevOps toolchain

• As DevOps is intended to be a cross-functional
  mode of working, rather than a single DevOps tool
  there are sets (or "toolchains") of multiple
  tools. Such DevOps tools are expected to fit into
  one or more of these categories, reflective of
  key aspects of the development and delivery
  process
• Code code development and review, source code
  management tools, code merging
• Build continuous integration tools, build
  status
• Test continuous testing tools that provide
  feedback on business risks
• Package artifact repository, application
  pre-deployment staging
• Release change management, release approvals,
  release automation
• Configure infrastructure configuration and
  management, Infrastructure as Code tools
• Monitor applications performance monitoring,
  enduser experience

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Illustration showing stages in a DevOps toolchain
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Goals

• The goals of DevOps span the entire delivery
  pipeline.
• It includes
• Improved deployment frequency
• Faster time to market
• Lower failure rate of new releases
• Shortened lead time between fixes
• Faster mean time to recovery

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Benefits claimed for DevOps
Companies that practice DevOps have reported
significant benefits, including significantly
shorter time to market improved customer
satisfaction, better product quality, more
reliable releases, improved productivity and
efficiency, and the increased ability to build
the right product by fast experimentation. Howeve
r, a study released in January 2017 by F5 of
almost 2,200 IT executives and industry
professionals found that only one in five
surveyed think DevOps had a strategic impact on
their organization despite rise in usage. The
same study found that only 17 identified DevOps
as key, well below software as a service
(42), big data (41) and public cloud
infrastructure as a service (39).
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Cultural change
DevOps is more than just a tool or a process
change it inherently requires an organizational
culture shift. This cultural change is especially
difficult, because of the conflicting nature of
departmental roles

• Operations  seeks organizational stability
• Developers seek change
• Testers seek risk reduction

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Building a DevOps culture
DevOps principles demand strong interdepartmental
communicationteam-building and other employee
engagement activities are often usedto create an
environment that fosters this communication and
cultural change, within an organization.
Teambuilding activities can include board games,
trust activities, and employee engagement
seminars.
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Deployment
Companies with very frequent releases may require
a DevOps awareness or orientation program. For
example, the company that operates the image
hosting website Flickr developed a DevOps
approach, to support a business requirement of
ten deployments per day, this daily deployment
cycle would be much higher at organizations
producing multi-focus or multi-function
applications. This is referred to as continuous
deployment or continuous delivery and has been
associated with the lean startup methodology.
Working groups, professional associations
and blogs have formed on the topic since 2009.
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Scope of adoption
Adoption of DevOps is being driven by many
factors including

1. Use of agile and other development processes and
   methods.
2. Demand for an increased rate of production
   releases from application and business
   unit stakeholders.
3. Wide availability of virtualized cloud
   infrastructure  from internal and external
   providers.
4. Increased usage of data center automation
   and configuration management tools.
5. Increased focus on test automation
   and continuous integration methods.
6. A critical mass of publiclyavailable best
   practices.

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Course Overview
DevOps MasterClass
Everything you need to learn about DevOps,
automation and cloud computing in one place. From
theoretical to practical, this bundle has got
your covered!

1. AWS MasterClass Monitoring and DevOps with AWS
   CloudWatch
2. DevOps on AWS Learn to set up your
   infrastructure on cloud
3. Project in DevOps - Learn Real World DevOps

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AWS MasterClass Monitoring and DevOps with AWS
CloudWatch
Video 4 hours Lectures 44 Skill Level
All Languages English
Introduction to DevOps on AWS course that
describes the basics of DevOps principles and
practices, AWS tools and how they can be
implemented on AWS.
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DevOps on AWS Learn to set up your
infrastructure on cloud
Video 5.5 hours Lectures 37 Skill Level
All Languages English
Introduction to DevOps on AWS course that
describes the basics of DevOps principles and
practices, AWS tools and how they can be
implemented on AWS.
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Project in DevOps - Learn Real World DevOps
Video 9 hours Lectures 58 Skill Level
All Languages English
DevOps for beginners course will help to reduces
the gap between Software development and
operation. Take devOps course and become a devOps
engineer now.
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