This book covers moderm Cisco Evolving Technologies (DevNet oriented)
and includes detailed explanations of modern cloud, network programmability,
and Internet of Things (IoT) technologies. The book includes a mix of
high level explanations, detailed diagrams, and hands-on demonstrations
using a variety of Cisco and third party products and services.
You can get the newest PDF of the book from my publications page:
njrusmc.net/pub/pub.html
Contact information:
Email: njrusmc@gmail.com
Twitter: @nickrusso42518
This book is designed for anyone studying for Cisco DevNet certifications
or other written exams. Since summer 2016, Cisco expert level written exams have
included 10% of their questions pulled from a new "evolving techologies"
topic domain. This book seeks to address the technologies in that new section,
as well as dedicated DevNet exams which focus heavily on these topics.
The simplified tree structure below outlines how the TeX source files are
organized. Each img/
folder has .jpg
or .png
images which are
imported to the TeX files as needed. Auxiliary files (Makefile, setup
scripts, etc.) are not shown below and are discussed in the Builds section.
The structure of this best aligns almost perfectly with Cisco's current
blueprint. There are three levels of hierarchy:
*.tex
file with a prefix corresponding to itsa1a4
is the blueprint topicAt the top of the hierarchy is the main.tex
file, which does very little
beyond importing the required TeX packages and including all the *.tex
source files for individual sections.
$ tree --charset=ascii
|-- content
| |-- cloud
| | |-- a1a-design
| | | |-- source-files.tex
| | | `-- img/
| | `-- a1b-infra
| | |-- source-files.tex
| | `-- img/
| |-- iot
| | `-- a3a-archdeploy
| | |-- source-files.tex
| | `-- img/
| |-- legacy
| | |-- img/
| | |-- old-cloud
| | | `-- source-files.tex
| | |-- old-iot
| | | `-- source-files.tex
| | `-- old-netprog
| | `-- source-files.tex
| |-- misc
| | |-- source-files.tex
| | `-- img/
| `-- netprog
| `-- a2a-archops
| |-- source-files.tex
| `-- img
`-- main.tex
TLDR: For manual builds, use make
by itself. You'll get a PDF out of it.
To simplify testing both for CI and for manual executions, a GNU Makefile
with phony targets is used. Use the following shortcuts to test the playbook.
Review the file to see a detailed explanation of each target.
The texsetup.sh
script handles the installation of the newest available
version of TeX Live.
This includes installing the basic
subset of packages to reduce
download size. It also installs all required tlmgr
packages used in the
project. Anyone forking this repository can simply extend the list of
packages in the shell script.
Travis CI is used for CI/CD. After the PDF is compiled, it is copied
(as an artifact) to AWS S3 within my personal website's file bucket. It
is automatically and immediately available for public consumption after
this occurs. See .travis.yml
for more details on the CI/CD steps.
Q: Why was LaTeX chosen over simpler Markdown or reStructuredText?
A: The end goal is to deliver a standalone PDF for offline and
independent viewing. Using Markdown, for example, requires tools like
pandoc
and has very limited formatting options. Other solutions use
LaTeX as an intermediary anyway, so I felt it was easiest just to write
the source in LaTeX from the beginning.
Q: Why did you spend time to convert Microsoft Word to LaTeX anyway?
A: As the book grew, I found it difficult using MS Word on my Macbook to
format things properly and get a consistent design without extensive
manual effort. Additionally, I find it very fitting that a book on "evolving
technologies" be written, maintained, tested, and delivered as if it were
code. "Walk the walk", as it were.
Q: How often is the book updated with new content?
A: Traditionally, the book has been updated every 6 months, starting
in the summer of 2016 and continuing until the summer of 2018 (5 releases).
Given the new version control and pipeline design, releases happen
more frequently. Whenever I have changes, I'll push them here. An
updated PDF will be automatically generated and uploaded to my website.
Q: Will your book still be available on Cisco Learning Network?
A: I have phased out the legacy delivery method on Cisco Learning Network
after having updated the original page with a new reference to the current
book location. I recommend downloading the book directly from my website
(avoid third-party distributors) for your security.
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