9 things you need to know about Java 9

Java 9 has been released in the market. It has lots of new improvements and additions. In this article, I am enlisting 9 things of this major release.

Java 9

  1. Introduction of Jshell

Now, java has joined the league of languages with a shell. Languages like python, ruby and R were having a handy shell in which we can evaluate our code on the fly. Now java has introduced Jshell using which we can eval our java code easily. The jshell tool provides an interactive command-line interface for evaluatin declarations statements and expressions of the java programming language.…

VMware on AWS : What you need to know?

In August 2017, AWS launched VMware for Amazon Cloud service after one year of work with vmware. It was announced at VMworld. It was in beta access since sometime for some selected customers.

Now you can take your VMware load to AWS while still managing your inhouse cloud operations. In this article, I am enlist some of the highlights of this service.
1. Currently it available in only US west (Oregon) region.
2. You can bring your existing licences with you while moving your load to this service.…

10 differences between AWS and Google Cloud

AWS is market leader in open cloud space but other players are making inroads into its market share. Google cloud is one of them. In this talk, we are going to cover 10 differences between Google Cloud and AWS. Major focus is on the features which covers common use cases. You can take this talk as stepping stone to understand another cloud service provider if you know one of them.

Here is the recording of this session.

3 things you need to know about AWS Migration Hub

AWS Migration has been recently announced by AWS. This is a service which you can use to migrate your applications to AWS. This service can be used to track status of application migrations. In this article, I am compiling 3 things you should know about it.

This service is not available in all regions. At the time of writing this article this is only available in US West (Oregon) region only. It can only interact with migration tools and give you a single window to manage those.…

7 Devops tools which you should know to create a productive devops culture

Let me state it in start without any introduction. Devops is a culture of practices. It is not a tool. In fact, it is a set of processes for which we use different type of tools, so we can create the culture we want to follow in our organisation or project life cycle. There are lots of open source or proprietary tools to service our devops strategies.

Devops is a combination of rituals as well as tools to do those rituals.…

Is a knowledge of Hadoop required to learn Spark?

You need to understand some basic differences between hadoop and spark.

One of the major difference is file system. Hadoop has HDFS while spark does not have any native file system associated with it.

So, you can run spark without hadoop in theory., but you need something to handle data. HDFS is one of the best choice for this task, in that case, you need to know the basic of Hadoop to get good results from Spark.…

Why do we use a token concept in PHP?

Question is not specific to PHP only, it is generic for Web development, language will not matter.

PHP has session tokens through which server will identify the session id of a specific user, (this is similar to many other languages). These tokens can be sent via cookies or via embedding in urls. In terms CSRF attacks, urls one are much better but these also expose many other security issues as token is embedded automatically (if you did not change your ini settings) to urls.…

Devops for QA : Is programming required?

Recently I got this query


I am working as a Testing team lead in manual testing so i don’t have a programming knowledge. Now, I want to learn DevOps. Before join in this course i want to clarify my doubts.

1. Is it possible to learn as a manual tester because I don’t have a programming knowledge?

2. Do I need to write or implement more coding or scripts?

3. Once I finished DevOps course and certification, can I work and perform well?…

Cloud Security : One mistake that can close down your cloud operations in few minutes

Few days back, I was in a discussion with a senior person. Our discussion was centred around cloud and security. We talked about lots of common and obvious processes and measures we can take for security of our applications on different platforms including but not limited to Amazon EC2, Azure and Google Cloud.

Cloud Computing Security

After discussion, I thought that I should write about most important thing in cloud security, which if not considered in your security plan, can be the reason of closure of your company in few minutes if not seconds.…

What is the best Linux software to monitor web traffic on router?

 am assuming that you want to log and monitor the traffic which is passing through a hardware router.

Your question seems incomplete to me because at router level, it is difficult to decide if data which is being transferred is for web or something else.

You can treat all TCP/IP data transfer as web data or to be more precise, you can treat data passing through port 80 as web data. ( As port 80 is default http protocol), but technically speaking http server can listen on any available port.…