Linux and Unix Training in Rowlett, Texas

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Python Programming for Cisco Networking Engineers

[Jun, 25, 2018] |
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Wondering why Cisco is teaching network engineers Python in addition to their core expertise?

Yes, arguably there are many other tools available to use to automate the network without writing any code. It is also true that when code is absolutely necessary, in most companies software developers will write the code for the network engineers. However, networks are getting progressively more sophisticated and the ability for network engineers to keep up with the rate of change, scale of networks, and processing of requirements is becoming more of a challenge with traditional methodologies.

Does that mean that all network engineers have to become programmers in the future? Not completely, but having certain tools in your tool belt may be the deciding factor in new or greater career opportunities. The fact is that current changes in the industry will require Cisco engineers to become proficient in programming, and the most common programming language for this new environment is the Python programming language. Already there are more opportunities for those who can understand programming and can also apply it to traditional networking practices.

Cisco’s current job boards include a search for a Sr. Network Test Engineer and for several Network Consulting Engineers, each with "competitive knowledge" desired Python and Perl skills. Without a doubt, the most efficient network engineers in the future will be the ones who will be able to script their automated network-related tasks, create their own services directly in the network, and continuously modify their scripts.

Whether you are forced to attend or are genuinely interested in workshops or courses that cover the importance of learning topics related to programmable networks such as Python, the learning curve at the very least will provide you with an understanding of Python scripts and the ability to be able to use them instead of the CLI commands and the copy and paste options commonly used. Those that plan to cling to their CLI will soon find themselves obsolete.

As with anything new, learning a programming language and using new APIs for automation will require engineers to learn and master the skills before deploying widely across their network. The burning question is where to start and which steps to take next?

In How Do I Get Started Learning Network Programmability? Hank Preston – on the Cisco blog page suggest a three phase approach to diving into network programmability.

“Phase 1: Programming Basics

In this first phase you need to build a basic foundation in the programmability skills, topics, and technologies that will be instrumental in being successful in this journey. This includes learning basic programming skills like variables, operations, conditionals, loops, etc. And there really is no better language for network engineers to leverage today than Python. Along with Python, you should explore APIs (particularly REST APIs), data formats like JSON, XML, and YAML. And if you don’t have one already, sign up for a GitHub account and learn how to clone, pull, and push to repos.

Phase 2: Platform Topics

Once you have the programming fundamentals squared away (or at least working on squaring them away) the time comes to explore the new platforms of Linux, Docker, and “the Cloud.” As applications are moving from x86 virtualization to micro services, and now serverless, the networks you build will be extending into these new areas and outside of traditional physical network boxes. And before you can intelligently design or engineer the networks for those environments, you need to understand how they basically work. The goal isn’t to become a big bushy beard wearing Unix admin, but rather to become comfortable working in these areas.

Phase 3: Networking for Today and Tomorrow

Now you are ready to explore the details of networking in these new environments. In phase three you will dive deep into Linux, container/Docker, cloud, and micro service networking. You have built the foundation of knowledge needed to take a hard look at how networking works inside these new environments. Explore all the new technologies, software, and strategies for implementing and segmenting critical applications in the “cloud native” age and add value to the application projects.”

Community resources:

GitHub’s, PYPL Popularity of Programming Language lists Python as having grown 13.2% in demand in the last 5 years.

Python in the June 2018 TIOBE Index ranks as the fourth most popular language behind Java, C and C++.

Despite the learning curve, having Python in your tool belt is without a question a must have tool.

The importance of exercise for IT professionals

[May, 16, 2014] |
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Programmers often tend to be sedentary people. Sitting in a chair and pressing keys, testing code, and planning out one logical step-wise strategy after another to get the computer to process data the way you want it to is just what life as a programmer is all about. But, is being too sedentary hindering a programmers max potential? In other words, will getting up, moving around, and getting the blood pumping make us better programmers? To answer this question more efficiently, we will need to consider the impact of exercise on various aspects of programming.

Alertness And Focus

It is no surprise that working up a sweat makes the mind wake up and become more alert. As the blood starts pumping, the body physically reacts in ways that helps the mind to better focus. And improving our focus might make us better programmers in the sense that we are more able to wrap our mind around a problem and deal with it more efficiently than if we feel sluggish and not so alert. However, improving one's focus with exercise can be augmented by taking such vitamins as B6, Coleen, and eating more saturated fats rather than so many sugars. Exercise alone may be a good start, but it is important to realize that the impact of exercise on overall focus can be enhanced when combined with other dietary practices. However, it never hurts to begin a day of programming with fifteen minutes of rigorous workout to give the mind a little extra push.

Increase In Intellect

Does exercise cause a programmer to become a smarter programmer? This is perhaps a trickier question. In some sense, it might seem as if exercise makes us more intelligent. But, this may be more because our focus is sharper than because of any increase in actual knowledge. For example, if you don't know how to program in Python, it is highly doubtful that exercising harder will all of a sudden transfer such insights directly to your brain. However, exercise might have another indirect impact on a programmer’s intellect that will help them to become a better programmer. The more a person exercises, the more stamina and energy they will tend to have, as compared to programmers who never exercise all that much. That additional energy and stamina might help a programmer to be able to push themselves to learn things more efficiently, simply because they aren't getting tired as much as they study new languages or coding techniques. If you have more energy and stamina throughout the day, you will likely be more productive as a programmer as well. Greater productivity can often make one program better simply because they actually push themselves to finish projects. Other programmers who do not exercise on a regular basis may simply lack the energy, stamina, and motivation to follow through and bring their programming projects to completion.

Memory

The ability to remember things and recall them quickly is key to being an efficient programmer. Getting up and getting real exercise may be central to making sure that one does not lose control of these cognitive abilities. According to the New York Times, article, Getting a Brain Boost Through Exercise, recent research studies on mice and humans have shown that, in both cases, exercise does in fact appear to promote better memory function as well as other cognitive factors like spacial sense. (1) Consequently, if a person intends to be a programmer for a long time and wants their mind to be able to remember things and recall them more easily, then exercise may need to become an essential part of such a programmer's daily routine.

As much as one might want to resist the need for exercise and be sedentary programmers, the simple fact is that exercise very well could improve our ability to program in numerous ways. More importantly, exercise is critical to improving and maintaining good health overall. Even if a person does not have much time to get up and move around during the day, there are exercises that one can do while sitting, which would be better to do than no exercise at all.

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How do I check if a file exists using Python?

[Mar, 28, 2014] |
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Checking to see if a file exists is a two step process in Python. Simply import the module shown below and invoke the isfile function:

import os.path
os.path.isfile(fname)

Tech Life in Texas

Austin may be considered the live music capital of the world but the field of technology is becoming the new norm in the The Lone Star State. Home to Dell and Compaq computers, there is a reason why central Texas is often referred to as the Silicon Valley of the south. It?s rated third on the charts of the top computer places in the United States with a social learning and training IT atmosphere. Adding the fact that Austin offers fairly inexpensive living costs for students, software developers may take note as they look to relocate.

As machines become more and more efficient and perfect, so it will become clear that imperfection is the greatness of man. Ernst Fischer

other Learning Options

Software developers near Rowlett have ample opportunities to meet like minded techie individuals, collaborate and expend their career choices by participating in Meet-Up Groups. The following is a list of Technology Groups in the area.

DFW Embedded Linux · Austin BlackBerry Developers' Group · Python Web Development Houston ·

Fortune 500 and 1000 companies in Texas that offer opportunities for Linux Unix developers

Company Name	City	Industry	Secondary Industry
Dr Pepper Snapple Group	Plano	Manufacturing	Nonalcoholic Beverages
Western Refining, Inc.	El Paso	Energy and Utilities	Gasoline and Oil Refineries
Frontier Oil Corporation	Dallas	Manufacturing	Chemicals and Petrochemicals
ConocoPhillips	Houston	Energy and Utilities	Gasoline and Oil Refineries
Dell Inc	Round Rock	Computers and Electronics	Computers, Parts and Repair
Enbridge Energy Partners, L.P.	Houston	Transportation and Storage	Transportation & Storage Other
GameStop Corp.	Grapevine	Retail	Retail Other
Fluor Corporation	Irving	Business Services	Management Consulting
Kimberly-Clark Corporation	Irving	Manufacturing	Paper and Paper Products
Exxon Mobil Corporation	Irving	Energy and Utilities	Gasoline and Oil Refineries
Plains All American Pipeline, L.P.	Houston	Energy and Utilities	Gasoline and Oil Refineries
Cameron International Corporation	Houston	Energy and Utilities	Energy and Utilities Other
Celanese Corporation	Irving	Manufacturing	Chemicals and Petrochemicals
HollyFrontier Corporation	Dallas	Energy and Utilities	Gasoline and Oil Refineries
Kinder Morgan, Inc.	Houston	Energy and Utilities	Gas and Electric Utilities
Marathon Oil Corporation	Houston	Energy and Utilities	Gasoline and Oil Refineries
United Services Automobile Association	San Antonio	Financial Services	Personal Financial Planning and Private Banking
J. C. Penney Company, Inc.	Plano	Retail	Department Stores
Energy Transfer Partners, L.P.	Dallas	Energy and Utilities	Energy and Utilities Other
Atmos Energy Corporation	Dallas	Energy and Utilities	Alternative Energy Sources
National Oilwell Varco Inc.	Houston	Manufacturing	Manufacturing Other
Tesoro Corporation	San Antonio	Manufacturing	Chemicals and Petrochemicals
Halliburton Company	Houston	Energy and Utilities	Energy and Utilities Other
Flowserve Corporation	Irving	Manufacturing	Tools, Hardware and Light Machinery
Commercial Metals Company	Irving	Manufacturing	Metals Manufacturing
EOG Resources, Inc.	Houston	Energy and Utilities	Gasoline and Oil Refineries
Whole Foods Market, Inc.	Austin	Retail	Grocery and Specialty Food Stores
Waste Management, Inc.	Houston	Energy and Utilities	Waste Management and Recycling
CenterPoint Energy, Inc.	Houston	Energy and Utilities	Gas and Electric Utilities
Valero Energy Corporation	San Antonio	Manufacturing	Chemicals and Petrochemicals
FMC Technologies, Inc.	Houston	Energy and Utilities	Alternative Energy Sources
Calpine Corporation	Houston	Energy and Utilities	Gas and Electric Utilities
Texas Instruments Incorporated	Dallas	Computers and Electronics	Semiconductor and Microchip Manufacturing
SYSCO Corporation	Houston	Wholesale and Distribution	Grocery and Food Wholesalers
BNSF Railway Company	Fort Worth	Transportation and Storage	Freight Hauling (Rail and Truck)
Affiliated Computer Services, Incorporated (ACS), a Xerox Company	Dallas	Software and Internet	E-commerce and Internet Businesses
Tenet Healthcare Corporation	Dallas	Healthcare, Pharmaceuticals and Biotech	Hospitals
XTO Energy Inc.	Fort Worth	Energy and Utilities	Gasoline and Oil Refineries
Group 1 Automotive	Houston	Retail	Automobile Dealers
ATandT	Dallas	Telecommunications	Telephone Service Providers and Carriers
Anadarko Petroleum Corporation	Spring	Energy and Utilities	Gasoline and Oil Refineries
Apache Corporation	Houston	Energy and Utilities	Gasoline and Oil Refineries
Dean Foods Company	Dallas	Manufacturing	Food and Dairy Product Manufacturing and Packaging
American Airlines	Fort Worth	Travel, Recreation and Leisure	Passenger Airlines
Baker Hughes Incorporated	Houston	Energy and Utilities	Gasoline and Oil Refineries
Continental Airlines, Inc.	Houston	Travel, Recreation and Leisure	Passenger Airlines
RadioShack Corporation	Fort Worth	Computers and Electronics	Consumer Electronics, Parts and Repair
KBR, Inc.	Houston	Government	International Bodies and Organizations
Spectra Energy Partners, L.P.	Houston	Energy and Utilities	Gas and Electric Utilities
Energy Future Holdings	Dallas	Energy and Utilities	Energy and Utilities Other
Southwest Airlines Corporation	Dallas	Transportation and Storage	Air Couriers and Cargo Services

training details locations, tags and why hsg

the hartmann software group advantage

why take Linux Unix Training with the hartmann software group?

A successful career as a software developer or other IT professional requires a solid understanding of software development processes, design patterns, enterprise application architectures, web services, security, networking and much more. The progression from novice to expert can be a daunting endeavor; this is especially true when traversing the learning curve without expert guidance. A common experience is that too much time and money is wasted on a career plan or application due to misinformation.

The Hartmann Software Group understands these issues and addresses them and others during any training engagement. Although no IT educational institution can guarantee career or application development success, HSG can get you closer to your goals at a far faster rate than self paced learning and, arguably, than the competition. Here are the reasons why we are so successful at teaching:

Learn from the experts.
1. We have provided software development and other IT related training to many major corporations in Texas since 2002.
2. Our educators have years of consulting and training experience; moreover, we require each trainer to have cross-discipline expertise i.e. be Java and .NET experts so that you get a broad understanding of how industry wide experts work and think.
Discover tips and tricks about Linux Unix programming
Get your questions answered by easy to follow, organized Linux Unix experts
Get up to speed with vital Linux Unix programming tools
Save on travel expenses by learning right from your desk or home office. Enroll in an online instructor led class. Nearly all of our classes are offered in this way.
Prepare to hit the ground running for a new job or a new position
See the big picture and have the instructor fill in the gaps
We teach with sophisticated learning tools and provide excellent supporting course material
Books and course material are provided in advance
Get a book of your choice from the HSG Store as a gift from us when you register for a class
Gain a lot of practical skills in a short amount of time
We teach what we know…software
We care…

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Texas cities where we offer Linux Unix Training Classes

·Galveston, Texas · New Braunfels, TX · Denton · Rowlett, TX ·Port Arthur, Texas · Frisco, TX ·Fort Worth, Texas · Grapevine, TX · Cedar Park · Mesquite, TX ·San Angelo, Texas · Dallas, TX ·Beaumont, Texas · Austin, TX · Plano · Round Rock, TX ·Laredo, Texas · Sugar Land, TX ·Euless, Texas · Lubbock, TX · Killeen · North Richland Hills, TX ·Pharr, Texas · Edinburg, TX ·Irving, Texas · College Station, TX · Mission · Richardson, TX ·Baytown, Texas · Waco, TX ·Longview, Texas · Abilene, TX · Pasadena · Garland, TX ·Wichita Falls, Texas · Amarillo, TX ·San Antonio, Texas · Bryan, TX · Lewisville · Odessa, TX ·Harlingen, Texas · McAllen, TX ·Arlington, Texas · Brownsville, TX · McKinney · San Marcos, TX ·El Paso, Texas · Missouri City, TX ·Grand Prairie, Texas · Allen, TX · Flower Mound · Tyler, TX ·Houston, Texas · Conroe, TX ·Midland, Texas · Carrollton, TX · Victoria · Pearland, TX ·Corpus Christi, Texas · Temple, TX ·League City, Texas

Linux Unix Training Classes in Rowlett, Texas

Learn Linux Unix in Rowlett, Texas and surrounding areas via our hands-on, expert led courses. All of our classes either are offered on an onsite, online or public instructor led basis. Here is a list of our current Linux Unix related training offerings in Rowlett, Texas: Linux Unix Training

Linux Unix Training Catalog

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Tech Life in Texas

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Interesting Reads Take a class with us and receive a book of your choosing for 50% off MSRP.