Latest Updates in Technology, Programming, Finance, Books, Useful Websites, Gadget Reviews & More
25Apr/160

Missing artifact jdk.tools:jdk.tools:jar:1.6

Hi Friends,
I was working on a hadoop hive UDF function and trying to use POM and got the following error.

Missing artifact jdk.tools:jdk.tools:jar:1.6

I could overcome this problem by adding tool.jar as dependency from my local machine as follows:

<dependency>
<groupId>jdk.tools</groupId>
<artifactId>jdk.tools</artifactId>
<scope>system</scope>
<version></version>
<systemPath>{JAVA_HOME}/lib/tools.jar</systemPath>
</dependency>

Replace {VERSION} and {JAVA_HOME} as per your environment.

Hope this helps.

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25Mar/160

Opening Windows Programs and Features (Control Panel) from command prompt

In order to open a command prompt
type  appwiz.cpl
press enter

It should launch control panel Program and Features

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16Feb/160

git: ‘credential-cache’ is not a git command : SOLVED

Friends,

If you are facing the below problem with your project

[exec] git: 'credential-cache' is not a git command. See 'git --help'.

Execute the below command and it should fix the problem

 

git config --global --unset credential.helper

Hope this helps.

 

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16Feb/160

How to Store Git credentials in Windows

Friends,

If you are looking to store credentials in Git on Windows so that you wont be prompted for credentials whenever you access Git Hub.

Go to any directory of the Git project on the computer.

1)Run the following command

git config --global credential.helper store

2) After that try to run a simple Pull command, it would prompt for credentials. Once the credentials are provided they will be saved and you wont be prompted for Git credentials for that particular Git repository.

git pull

Hope this helps.

Thanks,

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28Oct/140

FREE EVENT by AWS: Awsome Day 20th November, 2014, Hyderabad

Friends,

FREE EVENT by AWS: Awsome Day 20th November, 2014, Hyderabad

Hurry.. Limited seats..

 

Check below link for more details and registration.

 

http://aws.amazon.com/events/awsome-day/hyderabad-02/?sc_ichannel=em&sc_icountry=in&sc_icampaigntype=event&sc_icampaign=em_8295&trkcampaign=awsome_day_2014_hyderabad_02&trk=em_8295_mkt_invite1_cta2&mkt_tok=3RkMMJWWfF9wsRouuaXMZKXonjHpfsX76%2B4uXqCzlMI%2F0ER3fOvrPUfGjI4DScBqMK%2BTFAwTG5toziV8R7jML81rzNQQUhDr

 

Thanks,

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16Oct/140

Free: Learn to Architect on AWS 17th Oct 2014 10 AM to 12 PM IST

Hi Friends,
Please find details of FREE AWS event Learn to Architect on AWS 17th Oct 2014 10 AM to 12 PM IST below. I am posting the content of the email I got below.

Do register for the event and attend the same.

---

It is my pleasure to invite you to the next Amazon Web Services (AWS) Webex session where you can learn about the cornerstone building blocks of AWS and how to develop or move your existing applications to cloud.

We shall cover :

Introduction to AWS building blocks : Compute, Storage, Database, Load Balancing and Networking
How to architect scalable, highly available, cost optimized applications on cloud.
AWS Console Demo

Date: Friday, Oct 17th , 2014
Time: 10:00am – 12.00pm IST
Cost : Free

-------------------------------------------------------
To register for this meeting
-------------------------------------------------------

1. Go to https://amazon.webex.com/amazon/j.php?ED=310250092&RG=1&UID=0&RT=MiM0MQ%3D%3D
2. Register for the meeting.

You will receive a confirmation email with instructions for joining the meeting.

Please forward this to your colleagues who might find this training useful.

Best Regards,

=======

 

Happy Learning.

26Sep/140

Set up your Private Cloud on your computer using Eucalyptus

Dear Friends,

If you are wondering if it is possible to setup a private cloud infrastructure (similar to AWS) , the answer is YES.

If you have a computer (laptop or desktop) with very good configuration as mentioned below, you can have your OWN Private Cloud Infrastructure set up on your computer using Eucalyptus, open source private cloud software.

Interesting thing about Eucalyptus is it is AWS Compatible.

CPU: 64 Processor(s) with multiple cores

RAM: >8GB

Hard disk: SSD hard drive for better performance

Software: Virtualization software like VMWare Workstation

Even if you have slightly lower configuration also it is still possible to setup your cloud intrastructure, but the performance might be slow.

For more on Eucalyptus please visit https://www.eucalyptus.com/

Look forward for more details.

Thanks,

23Sep/140

Free Self Paced trainings and labs on Amazon Web Services

Friends,

Please find below the details of FREE AWS trainings and labs provided which I got via email communication. Sharing the same for your reference.

AWS has released a new training series called “Introduction to AWS” ( http://aws.amazon.com/training/intro_series/ )

This series features free and on-demand instructional videos combined with free self-paced labs to enable those who are new to AWS to learn about an AWS service in 30 minutes or less.

Our first set of videos and labs include the below topics:
•       Introduction to Amazon Simple Storage Service (S3)
•       Introduction to Amazon Elastic Compute Cloud (EC2)
•       Introduction to AWS Identity and Access Management (IAM)
•       Introduction to Amazon Relational Database Service (RDS)
•       Introduction to Amazon Elastic Block Store (EBS)
•       Introduction to Elastic Load Balancing

Users can start by watching a short video about each AWS service to learn about key concepts and terminology and to see a step-by-step console demonstration. Videos are available on the Amazon Web Services YouTube ( https://amazonwebservices.thismoment.com/us-en/youtube/productsandservices2?noflash=1 ) channel under “Training & Certification”.  Following the video, users can get hands-on practice using the AWS service with a free self-paced training lab.

In case you have not started using AWS, you can do so asap, it works on a self-service model and the best way to learn about AWS is to just get started. Use a valid local credit card, sign up for an AWS account and get started right away. We work on a pay per use, pay as you go model.

You can get started right away by just creating an account at www.aws.amazon.com with a valid local credit card. By signing-in to the AWS Management Console, you can start spinning-up server instances in 2-3 minutes and get admin access ( RDP / SSH) to those instances straight away.

You are also eligible for a free tier which contains enough credits for you to start playing around with our services. Just to reiterate, this is not a free account – as long as you stay within the usage limits of this tier you will not be charged. When you start exceeding usage limits mentioned in free usage tier, you will be charged by the hour for the resources you are using. Please find more information at http://aws.amazon.com/free. Refer Free Tier Getting Started Guide for more information. And you can always monitor your estimated AWS bill using our billing alerts.

Happy Learning.

18Sep/140

How to get your FREE ($1) AWS account for 12 months

Hi Friends,

Amazon provides FREE AWS account for 12 months it is called as "AWS Free Tier" account.
Here are the steps on HOW to get FREE AWS TIER account for 12 months. Please note that the account would be FREE as long as your usage donot cross the different pre-defined limits for the FREE account. Please note that you might be charged $1 on your Credit Card for verification while registering for AWS newly.

AWS FREE TIER Account qualifies for the many services which should be sufficient for learning about AWS services(data as of 18 Sep 2014, might get updated). Few of the important services:

Amazon EC2 (750 hours per month of Linux, RHEL, or SLES t2.micro instance usage or 750 hours per month of Windows t2.micro instance usage)

Amazon S3 (5 GB of Standard Storage, 20000 Get Requests, 2000 Put Requests)

AWS Trusted Advisor (4 best-practice checks  on performance and security (service limits, security groups, IAM, and MFA) Notification and customization features)

and more more...

Please visit http://aws.amazon.com/free/ to get more details of the FREE account and to register your account.

CAUTION: In order to register your AWS FREE account, you need to provide your Credit Card details, if your usage is BEYOND the allocated FREE usage levels of different services you would be CHARGED on your credit card, please be AWARE and be careful to use the services WELL WITHIN LIMIT. But using AWS Trusted Advisor service you can set ALERTS on your usage.

I registered my AWS FREE account couple of years back and I was not charged a single cent extra as my usage was well below the available free limits.

One more TRICK for users who DONOT want to provide their credit card or donot have a credit card, please check if your BANK or CREDIT CARD company have a provision to create a VIRTUAL CREDIT CARD with a pre-defined limit says Rs. 500 or Rs. 1000 and use it for registering on AWS site, your account might be charged a small amount of 1 USD or so when you register your account for Credit Card validation.

Please NOTE that AWS charges in USD and not in INR.

Once you have your FREE AWS account, you can use all the services within the quota without the fear of getting charged. I used those services well within the limits and I didn't pay an extra CENT.

So while using any service like EC2, ensure that you are choosing an AMI which qualifies for FREE TIER and then only use it.

Please feel free to let me know if you have any further queries.

All the best.

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21Aug/140

Configure WinRM access for Non-Administrator users

Dear Friends,
Recently I was working on WinRM and trying to execute Powershell cmdlets on a remote Windows 2008 R2 machine with WinRM enabled, I could successfully execute the cmdlets with a domain user who belongs to administrator group, but I couldnot execute the same cmdlets as a domain user where is not an Administrator.

After debugging and searching for couple of hours, I could find the problem cause and the way to resolve this. The reason for the problem is that by default non-administrators wouldnt have access for WinRM, we need to provide access for non-admin users explicitly. Please find below the details of configurations to be done.
1. Launch Powershell prompt as a user with Administrator access (as we need to do privileged action)
2. Run the following command:
Set-PSSessionConfiguration Microsoft.PowerShell -ShowSecurityDescriptorUI
3. At the prompt, enter: Y
The Permissions window appears.
4. Add the users which need access to WinRM and close the window by saving changes.

By doing above configuration we should be able to use non-administrator users also use WinRM.

Hope this helps.

Please share your comments.

Thanks,

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