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Apache Pig Installation on Linux

Apache Pig is a tool/platform for creating and executing Map Reduce program used with Hadoop. It is a tool/platform for analyzing large sets of data. You can say, Apache Pig is an abstraction over MapReduce. Programmers who are not so good at Java used to struggle working on Hadoop, majorly while writing MapReduce jobs. So, it’s an important topic to learn and master for Big Data Certification. Apache Pig has its own language Pig Latin which is boon for poor programmers.

A basic introduction to Pig Latin will help you understand better:

The high-level procedural language used in the Apache Pig platform is called Pig Latin. Apache Pig features ‘Pig Latin’ which is a relatively simpler language that can run over distributed datasets on Hadoop File System (HDFS). In Apache Pig, you need to write Pig scripts using Pig Latin language, which gets converted to MapReduce job when you run your Pig script. Apache Pig has various operators that are used to perform tasks like reading, writing, processing the data. To learn about Apache Pig operators, go to our blog “Operators in Apache Pig: Part 1- Relational Operators”.

Now that you have a basic understanding of Apache Pig, let us start with Apache Pig Installation on Linux.


Apache Pig Installation on Linux:


Below are the steps for Apache Pig Installation on Linux (Ubuntu/centos/windows using Linux VM). I am using Ubuntu 16.04 in the below setup.

Step 1:  Download the Pig tar file.



Step 2: Extract the tar file using tar command. In below tar command, x means extract an archive file, z means filter an archive through gzip, f means filename of an archive file.

Command: tar -xzf pig-0.16.0.tar.gz 

Command: ls



Step 3: Edit the “.bashrc” file to update the environment variables of Apache Pig. We are setting it so that we can access pig from any directory, we need not go to pig directory to execute pig commands. Also, if any other application is looking for Pig, it will get to know the path of Apache Pig from this file.

Command:  sudo gedit .bashrc

Add the following at the end of the file:

# Set PIG_HOME

export PIG_HOME=/home/edureka/pig-0.16.0
export PATH=$PATH:/home/edureka/pig-0.16.0/bin
export PIG_CLASSPATH=$HADOOP_CONF_DIR

Also, make sure that hadoop path is also set.

Run below command to make the changes get updated in same terminal.

Command: source .bashrc

Step 4: Check pig version. This is to test that Apache Pig got installed correctly. In case, you don’t get the Apache Pig version, you need to verify if you have followed the above steps correctly.
Command: pig -version
Step 5: Check pig help to see all the pig command options.
Command: pig -help
Step 6: Run Pig to start the grunt shell. Grunt shell is used to run Pig Latin scripts.

Command: pig
If you look at the above image correctly, Apache Pig has two modes in which it can run, by default it chooses MapReduce mode. The other mode in which you can run Pig in local mode. Let me tell you more about this.

Execution modes in Apache Pig:
MapReduce Mode – This is the default mode, which requires access to a Hadoop cluster and HDFS installation. Since, this is a default mode, it is not necessary to specify -x flag ( you can execute pig OR pig -x MapReduce). The input and output in this mode are present in HDFS.
Local Mode – With access to a single machine, all files are installed and run using a local host and file system. Here the local mode is specified using ‘-x flag’ (pig -x local). The input and output in this mode are present on the local file system.
Command: pig -x local
You can go through below video to watch Apache Pig Installation on Linux:

Apache Pig Installation | Pig Installation on Linux | onlineitguru


Now that you are done with Apache Pig Installation on Linux, the next step forward is to try out some relational Pig operators on Pig Grunt shell. Hence, the next blog “Operators in Apache Pig: Part 1- Relational Operators” will help you to master Pig operators.

Now that you have installed Apache Pig on Linux, check out the Hadoop training by Edureka, a trusted online learning company with a network of more than 250,000 satisfied learners spread across the globe. The Edureka Big Data Hadoop Certification Training course helps learners become expert in HDFS, Yarn, MapReduce, Pig, Hive, HBase, Oozie, Flume and Sqoop using real-time use cases on Retail, Social Media, Aviation, Tourism, Finance domain.

Got a question for us? Please mention it in the comments section and we will get back to you.
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How to discovered whatsapp notifications with anypoint platform


One of the good things regarding being associate in nursing engineer at nexmo has a front row seat to the event of some very compelling client engagement solutions. Integrating those solutions with technology partners who then enable their users to build new and innovative customer experience use cases is an added treat.
Through our partnership with mulesoft, we have a tendency to engineered a connective for anypoint platform that permits users to simply integrate period electronic communication with their enterprise apps and information. Now, we’ve side whatsapp—and its one.3 billion active monthly users—as another electronic communication channel on anypoint.
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Anypoint users—from full-time  computer code engineers like maine to visual builder types—can not solely move with customers globally on the world’s hottest electronic communication app, however they'll produce electronic communication flows where their messages will fall back to other channels, like good ol’ reliable sms when the initial message doesn’t get a response. And that’s spoken language nothing of the entirely new communication workflows that users will integrate with their business applications by investment our mulesoft connective.
We know first-hand however high the demand has been for businesses to urge their hands on whatsapp for business. Our whatsapp business answer launched mid-2018, and we’ve gotten a particularly robust response from the market. Who doesn’t desire a crack at delighting customers on their favorite electronic communication app? By adding whatsapp business to anypoint platform via nexmo, mulesoft offers its users a direct path to whatsapp implementation. The whatsapp platform’s end-to-end secret writing are often leveraged for notification and support use cases whereas maintaining privacy.

Whatsapp business use cases and requirements

As a politician whatsapp business answer supplier, nexmo will work closely with interested brands to properly onboard them. After that method is complete, the building fun will begin. Via nexmo’s mulesoft connector, businesses can leverage anypoint to easily integrate whatsapp into their workflows. Here are just a few of the possibilities:
  • Simple opt-in to whatsapp messaging via sms.
  • Crm flows that leverage salesforce customer records.
  • Connections to support chat platforms like salesforce service cloud and zendesk.
  • Flows from commerce/logistics platforms to manage cargo and delivery notifications.
  • Financial service transactional notifications.
  • How nexmo api connector leverages anypoint
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At dreamforce 2018, i showcase how straightforward it is to build one of these use cases on anypoint with a demo of the whatsapp business solution.
The demo walked through putting in notifications via whatsapp for client service. The scenario is:
A client submits a support request to a business and opts in to whatsapp as a electronic communication channel wherever they'll receive standing updates.
The business receives the request and creates a replacement support price tag for it on their service cloud surroundings. The ticket inherits all the info the customer provided, including a brief description of the issue they’re having.

  1. The price tag is routed to a service agent for response. Any time the agent makes a change to the ticket, the customer receives a whatsapp notification until it’s been resolved.
  2. So, how does it work under the covers? Basically, the nexmo api connective leverages anypoint to finish 3 elementary actions.
  3. First, we have a tendency to produce a price tag on the service cloud server upon receiving the customer’s request.
Second, we listen for changes to the ticket (the agent’s processing as they work to resolve the issue).


And lastly, we execute the WhatsApp notifications to the customer via our API integration.

If you want to try it out yourself, consult the nexmo api connector documentation (you’ll need to log in to your anypoint platform account) and the api documentation on our site.

To learn Mulesoft training best practices on developing associate in nursing intelligent electronic communication service strategy to move with customers globally, register for our forthcoming joint webinar.

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ITIL Certification

ITIL stands for IT Infrastructure Library

• Initiated by UK Government - the CCTA now OGC

(CCTA – Central Computer and Telecommunications Agency)

(OGC – Office of Government Commerce)

• Major contributors

– The private sector - Inputs are taken from various organizations to develop ITIL

– IT Service Management Forum - International Not for Profit promoter

• Major Examination Bodies

– Peoplecert.

What is ITIL and what does ITIL stand for? Information Technology Infrastructure Library or more commonly referred to as ITIL comprises of the practices need to for IT Service Management or ITSM. Now, your next question-

             Click here ITIL certification from Experts 

Why use ITIL Methodology?


It has turned out to be progressively perceived that data is the most essential key asset that any association needs to oversee. Key to the gathering, examination, generation, and appropriation of data inside an association is the nature of the IT Services gave to the business. It is basic that we perceive that IT Services are significant, key, authoritative resources and in this manner, associations must put proper levels of asset into the help, conveyance, and management of these basic IT Services and the IT frameworks that support them. Notwithstanding, these parts of IT are frequently neglected or just externally tended to inside numerous associations.

Confusion between ITSM & ITIL:


Newcomers or knowledge seekers many times confuse between ITSM and ITIL let’s roll out this confusion from your mind before you can read more o ITIL:

ITSM: ITSM is an acronym for Information Technology Service Management, it’s simply how you manage the information systems that create and deliver value to customers.

ITIL: ITIL (Information Technology Infrastructure Library) is the most recognized and used framework for ITSM.

The challenges we faced in IT Operation


Because of the following challenges in current IT operation, everybody moving towards ITIL Methodology

· Not meeting SLA

· Frequent Major Incidents

· Constant Fire-fighting

· Infrastructure not capable of absorbing new changes

· Unplanned Outages/Security Incidents (Major virus attack)

· Process failures

· Infrastructure not capable of handling the load at peak hours

· Unavailability of key business application

· Unable to measure the performance of services/process

· The team working of trial & error method

· Lack of Governance structure

Why is service Management important for IT?


· IT becomes increasingly crucial for business

· Downtime on IT causes huge business losses (e.g. Users rush to bank branches when ATM was unable to dispense cash.

· Organizations want to move towards ZDT (Zero Down Time) for crucial services.

· Most of the businesses are going e-way

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Why is ITIL so successful?


1. Vendor-neutral

Vendor neutrality is a business and design approach that aims to ensure broad compatibility and interchangeability of products and technologies.

2. Non-prescriptive

ITIL offers strong, develop and time-tried practices that have pertinence to a wide range of service association. It keeps on being helpful and significant in broad daylight and private areas, inward and outside service suppliers, little, medium and huge ventures, and inside any specialized condition.

3. Best practice

ITIL speaks to the learning encounters and thought the authority of the world's best-in-class specialist co-ops.

What new concepts you will learn in ITIL?


What is the meaning of Service in ITIL?

Service means delivering value to the customer by facilitating outcomes customer want to achieve without the ownership of cost and risks.

Types of Services:

1. Core Services:

These Services represent the value that customer wants and for which they are willing to pay.

2. Enabling Services:

These are the services which may or may not be visible to the customer.

3. Enhancing Services:

Enhancing services are not essential to the delivery of a core service, and are added to a core service as ‘excitement’ factors, which will encourage customers to use the core service more.

What is the meaning of Service Asset in ITIL?

Service asset means resources and capabilities used by a service provider to provide service to the customer.

What is the meaning of Service Management in ITIL?

It is a set of specialized organizational capabilities for providing value to the customer in the form of services.

What is Value in ITIL?

The basic definition of value is like Value means the product or service which fulfills the customer’s needs and wants.

In ITIL value means

VALUE = Utility + Warranty

Utility - Fit for Purpose

Warranty - Fit for use

What is the Process?

The process is organized sets of activities design to achieve a specific objective.


What is Incident management?

Incident management means an unplanned event in the process which leads to disruptions of the process.

For better understanding let’s discuss an example suppose in an organization on working hours hardware went off and it leads to disruptions of service. That’s called an incident but in case a hardware failure has occurred in non-working hours that means no disruption of service, that does not mean it’s an incident.
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What is Event Management?

In ITIL event management is defined as the process that manages IT-related all events that occur through IT infrastructure. An event means notification created by IT service, config team or monitoring tool and the whole purpose of event management is to detect events, inspect and roll out right control action.

What is Problem Management?

Problem Management means the root cause of the event which leads to disruption of service.

Many people think that incident management and problem management are the same, but it’s the opposite of the same. Incident means event and problem means the root cause of the event. On the part of discussing an example, the root cause of hardware failure is the problem.

Do you Know ITIL Framework is Updating in 2018?


In the itSMF USA Fusion 2017 conference held in the USA, Axelos announced that they are updating ITIL but there’s no need to worry who have already certified because they will have their current certifications recognized in the new scheme.

What we know till now about ITIL Update 2018:

• The core elements of ITIL will remain and will continue to derive from the experiences of thousands of specialists and experts. Research has confirmed that ITIL remains best practice for the ITSM industry.

• The update will include practical guidance on how ITIL is adopted in conjunction with practices such as DevOps, Agile and Lean.

Short Review of what Peter Hepworth announced in Conference:

AXELOS's broad research among the worldwide administration network has demonstrated that ITIL's demonstrated and tried system remains the foundation of the present business hones, significantly encouraging business change. Over a million IT experts in the US depend on ITIL's best practice direction to convey business achievement, and every year associations put generously in embracing ITIL, adjusting it to their requirements, and up-skilling their kin with ITIL capabilities. As an impression of this, the update will keep on including the generally received center standards of ITIL, which as of now convey genuine incentive to associations around the world.

Adaptability and deftness have turned into a need as of late as associations embrace new advancements and methods for working, for example, cloud, expanded levels of robotization and computerized change. That dynamic is behind the ITIL update: it will guarantee that the world's ITSM experts can unquestionably coordinate their basic ITIL learning with these new business rehearses.

ITIL Certification 



1. ITIL Foundation Level:

The Foundation level is the section level affirmation which offers you a general familiarity with the key components, ideas, and phrasing utilized as a part of the ITIL service lifecycle, including the connections between lifecycle stages, the procedures utilized and their commitment to service management rehearses.

2. ITIL Practitioner Level:

The Practitioner level is the following stage in the ITIL plot. It has been produced to give a stage amongst Foundation and the Intermediate Level and means to enhance the capacity of people to receive and adjust ITIL in their associations.


The Intermediate level accreditation has a secluded structure with every module giving an alternate spotlight on IT Service Management. You can take as few or the same number of Intermediate capabilities as you require. The Intermediate modules broadly expound than the Foundation level and Practitioner and give an industry-perceived capability.

4. ITIL Expert Level:

The ITIL Expert level capability is gone for the individuals who are keen on showing information about on ITIL Scheme completely. The endorsement is granted to applicants who have accomplished a scope of ITIL affirmations and have achieved a balanced, unrivaled learning and abilities base in ITIL Best Practices.

5. ITIL Master Level:

To accomplish the ITIL Master confirmation, you should have the capacity to clarify and legitimize how you have by and by chosen and connected a scope of learning, standards, strategies and systems from ITIL and supporting administration procedures, to accomplish wanted business results in at least one functional assignment.

Major Topics covered in ITIL Certification:

1. Service Lifecycle



2. Service strategy:

Service strategy is the origin or we can say center point of ITIL service lifecycle, which provides guidance to the service provider about its investments in services. Service strategy strongly relies on market approach and it helps IT organization to improve and enhance for the long term.

3. Service design:

Service Design is the acts of arranging and sorting out individuals, foundation, correspondence and material segments of service with a specific end goal to enhance its quality.
4. Service Transition

Service transition creates and maintains coordination between services and service management process and the whole objective of Service Transition is to build and deploy IT services.

5. Service Operation:

The Service operation means lifecycle stage including satisfying user requests, settling service failures, fixing problems and carry out the routine operational task.

6. Continual Service Improvement:

The main function of ITIL CSI is to align and re-align the IT services according to the changing business needs and recognize the opportunities to improve the IT services and implementation of it.
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Who should go for ITIL certification?

• IT professionals

• Business managers

• Business process owners

• Database Administrators

• Delivery Professionals

• IT Maintenance

• Software Testers

• ITIL V3 Qualification Scheme:




Cost of ITIL Certification in India:

Certification

Cost

ITIL Foundation

Rs. 20,000

ITIL Intermediate Level

Rs. 29,500

ITIL Practitioner

Rs. 30,000

ITIL Expert

Rs. 29,800

( All the above cost are standard prices, you can get the discounted pricing by reaching us )

What salary do you get if you have ITIL Certification?


Source: Payscale

Top 10 Benefits of ITIL Certification

Organizational Benefits of ITIL Implementation:

1. Improve resource utilization

2. Be more competitive

3. Decrease rework

4. Eliminate redundant work

5. Improve upon project deliverables and time

6. Improve availability, reliability and security of mission-critical IT services

7. Justify the cost of service quality

8. Provide services that meet business, customer and user demands

9. Integrate central processes

10. Document and communicate roles and responsibilities in service provision

11. Learn from previous experience

12. Provide demonstrable performance indicators

( Best ITIL Implementation guide in 7 Easy Steps)

Benefits of ITIL Certification for Individuals:

1. Expertise Recognition:

Once ITIL course and certification added to your skills, then you are perceived for the ability and aptitudes in dealing with the administrations in your association. Both your senior initiative in the association and your partners would value your capacity to deal with the administrations and procedures successfully.

2. Acknowledge Common Terminology:

Since ITIL course gives knowledge into the ITIL structure, you could become more acquainted with the wording that is normal crosswise over businesses and nations. Along these lines, you talk a typical dialect with an assortment of clients.

3. Comprehensive View:

With the ITIL course, you become more acquainted with the fitment of business with IT administration and foundation. Along these lines, you get the chance to comprehend the 10,000ft view and subsequently make a significant commitment to the association which thusly makes you a much looked for after representative in the organization.

4. Better Monetary Returns:

After you have gone to the ITIL course, If you have finished the certification as well, you have better occupation prospects. Contrasted with other non-guaranteed hopefuls, you have an edge in the ITSM circle. In addition, as an affirmed ITIL proficient, your compensation scale likewise gets a generous hop.

5. Better Productivity:

It teaches you the best practices on how to increase business productivity effective by using best practices under ITIL Methodologies.

6. Value-Based Working Approach:

Help professionals to work purely focused on the needs of the customer and user experience because in conventional method all the force was used to solve the technical issues.

7. Increase your standing in an Organization:

Globally certified with upgraded managerial and technical skills will ultimately be reflected in your performance and result will you will stand out from the rest of your peers.
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8. Think Out of the Box:

The ITIL preparing plan urges individuals to consider better approaches for working and methodologies for enhancing consumer loyalty. ITIL is intended to enable everybody to concentrate on the requirements of the clients and client to encounter as opposed to focusing a lot on the innovation issues while drawing in with clients

9. Build Trust:

Maintaining better service management helps people to concentrate more on customer needs and delivering business outcomes.

10. Low-Risk Effort:

Ordinarily, in your career, it can be something to be thankful for to make a stride back and re-assess some of your objectives and current endeavors to check whether you have to settle on any moves or choices that will influence you in the long term. Speculations, like going for a Master's degree or getting an accreditation, can be unnerving, in light of the fact that you frequently simply don't know whether you hazard sitting idle and exertion on something that may not be all the useful to you in the long-keep running of your expert profession.
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Adopting a progressively human strategy to AI

Adopting a progressively human strategy to AI
Man-made brainpower (AI) is about machines, clearly. But it's most certainly not. In truth, discourses encompassing AI may frequently base on how equipped, natural and logically mindful the machine cerebrums we are building have progressed toward becoming. 

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Adopting a progressively human strategy to AI

However, AI is about us – the people – and how it can improve our lives. 

There was time, maybe even inside the present decade, when AI instruments and capacities were as yet connected with the whimsical 'talking PCs' that included in a huge number motion pictures. It wasn't that long back that regardless we considered AI as something of a 'toy' and its application in mission-basic endeavor applications was still to some degree funny. 
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Obviously now we pay attention to talking PCs totally. To such an extent that we're similarly centered around the capability of PC discourse acknowledgment. 

Use of AI applications 


However, to the extent we have come, regardless we have to take a gander at this present reality use instances of AI and ask how it can enable us to improve our lives. In case we're not holding a candle to the current situation AI to our human work encounters to look at and examine where it can make those encounters more noteworthy, at that point what are we doing here in any case? 

In all actuality, numerous ventures extensive and little have been battling with finding the proper use cases for new and developing AI advances. Organizations need to discover the work processes inside their plans of action that can profit by AI. At exactly that point would they be able to begin to modeler towards transforming those operational throughputs into genuinely advanced work processes. 
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So how would we characterize AI-empowered advanced work process Nirvana and how would we arrive? 

Normally, the procedure begins with an innovation review and a procedure of evaluation, measurement and capability running all through the IT stack being referred to. Singular specialty units should venture back and distinguish their work issues and difficulties as they search for the components of their work processes that can be digitized. 

Everyone over each line of business capacity will be included; we have to publicly support and team up to recognize vital zones of business tasks that still exist as prevalently manual, precisely quantifiable and in a general sense tedious. 

These are the pieces of business that speak to fluid gold, for example when we tap the crease, we can channel these capacities into AI-driven administrations that in this manner keep running as advanced work processes. People are freed from drudgery, efficiency is expanded and workers have a more prominent ordeal — another righteous circle is built up. 

Viable precedents 


Consider an average ServiceNow office. At the point when individuals leave the organization we have to oversee who has a key dandy for access to the vehicle leave. This is an ideal case of the sort of occupation that has regularly been performed physically using a spreadsheet. This is tedious, mistake inclined and clearly makes security issues. 

But on the other hand it's (I trust clearly) an ideal case of the kind of undertaking we can advance to wind up a computerized work process driven by insight originating from AI. For example our examination motor should realize that a worker is leaving the firm thus reports, alarms, messages and maybe even cell phone the board to drop the key coxcomb would all be able to happen naturally. 

On the off chance that we can make each one of those things more intelligent and progressively natural, at that point we can construct better encounters quicker. 
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Uber hasn't really done anything principal to change the manner in which taxis work or drive. It has changed the computerized work process that administers the capacity to book and pay for the administration. The rundown of administrations driven precedents in this space is developing each day. 

Mechanizing a terrible procedure doesn't make it great 


We're regularly awful in innovation industry with regards to decommissioning things. Consider what number of business forms most likely exist today that organizations need to annihilate and dispose of. 

There's no reason for applying AI to these parts of the business. As we probably am aware, robotizing an awful procedure doesn't make it a decent procedure; it just makes it a mechanized terrible procedure. So this re-building is really a chance to get out your cabinet and quit doing the things that you never again need to do. 

A model that left a ServiceNow hackathon is a device to help with recording of licenses. One of our hackathon groups utilized AI and ML to trawl the web for every single enrolled patent utilizing word acknowledgment. They needed to recognize associated words to check whether another innovation previously existed in some structure as of now. 

This would have been expensive manual work, that may have been given over to a master (for this situation, a patent legal counselor), however at this point we can digitize these parts of the business. 
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The human factor benchmark 


We as people presently need to build the presence of AI into our own attitudes and think about how it can enable us to function in an unexpected way. This incorporates realizing what things we don't have to stress over any longer. For instance, we don't take a guide out with us nowadays, since we utilize a cell phone – so what else would we be able to quit doing? 

As we move down the more adapted street to AI, we will find that AI itself gets more brilliant as it learns our standards of conduct, inclinations and inclinations. We should at present have the capacity to apply a component of human judgment where and when we need to, yet that is as of now part of the present advancement process as we figure out how to apply AI in parity when and where it bodes well. 

The fate of AI is more brilliant and it is additionally progressively human. The final product is increasingly advanced at the center, however progressively human superficially. In the event that that still seems like an oddity, at that point it shouldn't. We're at a pivotal purpose of combination among individuals and machines and it will be an incredible affair.
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