Forum For Amazon Web Services - AWS

This forum provides solutions for aws developers for their issues.It provides solutions for aws elastic ip, ec2 instance, public ip,route53 pricing, load balancers in aws,Orchestration, ebs,, lambda, installing mongodb on ubuntu etc.

Sunday, 23 July 2017

Docker Machine

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It is a tool thats lets you install Docker Engine on virtual hosts.

It creates servers, installs docker and then configures the docker client to take to them.


Linux :

ubuntu@ip-192.33.33.22:~$ docker-machine ls
docker-machine: command not found

Install docker machine
$ curl -L https://github.com/docker/machine/releases/download/v0.12.1/docker-machine-`uname -s`-`uname -m` >/tmp/docker-machine &&
chmod +x /tmp/docker-machine &&
sudo cp /tmp/docker-machine /usr/local/bin/docker-machine

  % Total    % Received % Xferd  Average Speed   Time    Time     Time  Current
                                 Dload  Upload   Total   Spent    Left  Speed
100   617    0   617    0     0    428      0 --:--:--  0:00:01 --:--:--   428
100 25.1M  100 25.1M    0     0   490k      0  0:00:52  0:00:52 --:--:-- 1211k

ubuntu@ip-192.33.33.22:~$ docker-machine version
docker-machine version 0.12.1, build c8b17e8

Example :

$ docker-machine create -d digitalocean --digitalocean-access-token=secret dev

$ docker-machine ls

NAME      ACTIVE   DRIVER       STATE     URL                         SWARM   DOCKER   ERRORS

dev   -          digitalocean   Running   tcp://253.1.113.91:4366             v1.8.9

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Saturday, 15 July 2017

Install AWS Cli

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Installing AWS Cli on Mac

Installing with Homebrew is easy. It is a popular package manager for MAC OSX.

To install Homebrew, 

Check , ruby is installed in your mac ,

ruby -v

Install homebrew 

Once homebrew installed, install python. To install Python, Gcc to be installed. you need xcode or commandline tools to be installed

you can download and install xcode or commandline tool.
https://developer.apple.com/download/more/

Step1 : brew install python
Install with Homebrew. It is a popular package manager for MAC OSX.
To install Homebrew, you must install xcode first.
Then install homebrew
ruby -e "$(curl -fsSL https://raw.githubusercontent.com/Homebrew/install/master/install)"


$ brew doctor


to check brew installed properly.
Step2 :pip install awscli
Terminal output is here

Updating Homebrew...



==> Auto-updated Homebrew!



Updated 1 tap (homebrew/core).



==> New Formulae



apache-arrow        freedink            ipython@5           overmind



asdf                get_iplayer         jose                packetq



bitcoin             git-cinnabar        kubectx             pycodestyle



dcm2niix            gradle-completion   libmypaint          rustup-init



docker2aci          grakn               libnice             tectonic



dwarf               haste-client        libopusenc          tokei



erlang@19           iamy                mruby-cli           vips



faas-cli            insect              neovim              wpscan



fd                  ipython             openfortivpn        zork



==> Updated Formulae



abcl                                     libextractor



advancemame                              libgcrypt



afflib                                   libgit2



afl-fuzz                                 libgit2-glib



allure                                   libgosu



amazon-ecs-cli                           libgphoto2



      zurl



libepoxy



==> Renamed Formulae



osh -> etsh                              speedtest_cli -> speedtest-cli



==> Deleted Formulae



kibana@4.1          node@0.10           node@0.12           snescom








==> Installing dependencies for python: sqlite



==> Installing python dependency: sqlite



==> Downloading https://homebrew.bintray.com/bottles/sqlite-3.19.3.el_capitan.bo



######################################################################## 100.0%



==> Pouring sqlite-3.19.3.el_capitan.bottle.tar.gz



==> Using the sandbox



==> Caveats



This formula is keg-only, which means it was not symlinked into /usr/local,



because macOS provides an older sqlite3.








If you need to have this software first in your PATH run:



  echo 'export PATH="/usr/local/opt/sqlite/bin:$PATH"' >> ~/.bash_profile








For compilers to find this software you may need to set:



    LDFLAGS:  -L/usr/local/opt/sqlite/lib



    CPPFLAGS: -I/usr/local/opt/sqlite/include



For pkg-config to find this software you may need to set:



    PKG_CONFIG_PATH: /usr/local/opt/sqlite/lib/pkgconfig








==> Summary



🍺  /usr/local/Cellar/sqlite/3.19.3: 12 files, 3MB



==> Installing python



Warning: Building python from source:



  The bottle needs the Apple Command Line Tools to be installed.



  You can install them, if desired, with:



    xcode-select --install








==> Downloading https://www.python.org/ftp/python/2.7.13/Python-2.7.13.tar.xz



######################################################################## 100.0%



==> ./configure --prefix=/usr/local/Cellar/python/2.7.13 --enable-ipv6 --dataroo



==> make



==> make install PYTHONAPPSDIR=/usr/local/Cellar/python/2.7.13



==> make frameworkinstallextras PYTHONAPPSDIR=/usr/local/Cellar/python/2.7.13/sh



==> Downloading https://files.pythonhosted.org/packages/26/d1/dc7fe14ce4a3ff3fae



######################################################################## 100.0%



==> Downloading https://files.pythonhosted.org/packages/11/b6/abcb525026a4be042b



######################################################################## 100.0%



==> Downloading https://files.pythonhosted.org/packages/c9/1d/bd19e691fd4cfe908c



######################################################################## 100.0%



==> /usr/local/Cellar/python/2.7.13/bin/python -s setup.py --no-user-cfg install



==> /usr/local/Cellar/python/2.7.13/bin/python -s setup.py --no-user-cfg install



==> /usr/local/Cellar/python/2.7.13/bin/python -s setup.py --no-user-cfg install



==> Caveats



Pip and setuptools have been installed. To update them



  pip install --upgrade pip setuptools








You can install Python packages with



  pip install <package>








They will install into the site-package directory



  /usr/local/lib/python2.7/site-packages








See: http://docs.brew.sh/Homebrew-and-Python.html



==> Summary



🍺  /usr/local/Cellar/python/2.7.13: 6,337 files, 86.7MB, built in 6 minutes 19 seconds

pip install awscli


Collecting awscli



  Downloading awscli-1.11.120-py2.py3-none-any.whl (1.2MB)



    100% |████████████████████████████████| 1.2MB 79kB/s 



Collecting botocore==1.5.83 (from awscli)



  Downloading botocore-1.5.83-py2.py3-none-any.whl (3.5MB)



    100% |████████████████████████████████| 3.6MB 23kB/s 



Collecting rsa<=3.5.0,>=3.1.2 (from awscli)



  Downloading rsa-3.4.2-py2.py3-none-any.whl (46kB)



    100% |████████████████████████████████| 51kB 43kB/s 



Collecting docutils>=0.10 (from awscli)



  Downloading docutils-0.13.1-py2-none-any.whl (537kB)



    100% |████████████████████████████████| 542kB 72kB/s 



Collecting PyYAML<=3.12,>=3.10 (from awscli)



  Downloading PyYAML-3.12.tar.gz (253kB)



    100% |████████████████████████████████| 256kB 181kB/s 



Collecting colorama<=0.3.7,>=0.2.5 (from awscli)



  Downloading colorama-0.3.7-py2.py3-none-any.whl



Collecting s3transfer<0.2.0,>=0.1.9 (from awscli)



  Downloading s3transfer-0.1.10-py2.py3-none-any.whl (54kB)



    100% |████████████████████████████████| 61kB 28kB/s 







  Running setup.py bdist_wheel for PyYAML ... done



  Stored in directory: /Users/srinivas/Library/Caches/pip/wheels/2c/f7/79/13f3a12cd723892437c0cfbde1230ab4d82947ff7b3839a4fc



Successfully built PyYAML



Installing collected packages: six, python-dateutil, docutils, jmespath, botocore, pyasn1, rsa, PyYAML, colorama, futures, s3transfer, awscli



Successfully installed PyYAML-3.12 awscli-1.11.120 botocore-1.5.83 colorama-0.3.7 docutils-0.13.1 futures-3.1.1 jmespath-0.9.3 pyasn1-0.2.3 python-dateutil-2.6.1 rsa-3.4.2 s3transfer-0.1.10 six-1.10.0
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Thursday, 13 July 2017

Online training

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We provide training on Amazon Web Services

1. AWS Architecture and different models of Cloud Computing 
2. Compute Services: AWS EC2, Auto Scaling and Load Balancing, AWS Lambda, Elastic Beanstalk
3. Storage Services : AWS S3, AWS EBS,  AWS Glacier, AWS CloudFront, Storage Gateway,AWS Snowball
4. Database Services: AWS RedShift, AWS RDS,  ElastiCache, AWS DynamoDB
5. Security and Identity Services: IAM, KMS
6. Networking Services: Route 53, Amazon VPC, Direct Connect

7. Management Tools: AWS CloudTrail, Trusty Advisor, AWS CloudWatch, CloudFormation, OpsWorks


We also provide training on Angular, NodeJS, MongoDB, MySQL, Android, iOS

you can reach us:    srinivas.n462@gmail.com. 
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Wednesday, 12 July 2017

Installing MongoDB on Ubuntu 16.04

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MongoDB is  included in Ubuntu package repositories, but official MongoDB repository provides most upto date version.

We use official version of MongoDB
$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv EA312927

The output should look like this

ubuntu@ip-192-41-15-154:~$ sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv EA312927



Executing: /tmp/tmp.u96cXK2VEb/gpg.1.sh --keyserver



hkp://keyserver.ubuntu.com:80



--recv



EA312927



gpg: requesting key EA312927 from hkp server keyserver.ubuntu.com



gpg: key EA312927: public key "MongoDB 3.2 Release Signing Key <packaging@mongodb.com>" imported



gpg: Total number processed: 1



gpg:               imported: 1  (RSA: 1)



We add MongoDB repository to Apt, so that apt know where to download the repository

echo "deb [ arch=amd64,arm64 ] http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.4.list
Output:
deb [ arch=amd64,arm64 ] http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 multiverse
Update the Apt 
$ sudo apt-get update
Output:

Hit:1 http://ap-southeast-1.ec2.archive.ubuntu.com/ubuntu xenial InRelease



Get:2 http://ap-southeast-1.ec2.archive.ubuntu.com/ubuntu xenial-updates InRelease [102 kB]



Ign:3 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 InRelease



Get:4 http://ap-southeast-1.ec2.archive.ubuntu.com/ubuntu xenial-backports InRelease [102 kB]



Get:5 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 Release [3,457 B]



Get:6 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 Release.gpg [801 B]



Get:7 http://ap-southeast-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main Sources [258 kB]



Get:8 http://ap-southeast-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/main amd64 Packages [573 kB]



Get:9 http://ap-southeast-1.ec2.archive.ubuntu.com/ubuntu xenial-updates/universe amd64 Packages [504 kB]



Ign:6 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 Release.gpg



Hit:10 http://ppa.launchpad.net/webupd8team/atom/ubuntu xenial InRelease



Get:11 http://security.ubuntu.com/ubuntu xenial-security InRelease [102 kB]



Get:12 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4/multiverse amd64 Packages [5,870 B]



Get:13 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4/multiverse arm64 Packages [5,872 B]



Fetched 1,658 kB in 1s (938 kB/s)



Reading package lists... Done



W: GPG error: http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 Release: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY AC711F9BA35703V6



W: The repository 'http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4 Release' is not signed.



N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.



N: See apt-secure(8) manpage for repository creation and user configuration details.
Install MongoDB

$ sudo apt-get install mongodb-org

Output:

Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
  mongodb-org-mongos mongodb-org-server mongodb-org-shell mongodb-org-tools
The following NEW packages will be installed:
  mongodb-org mongodb-org-mongos mongodb-org-server mongodb-org-shell mongodb-org-tools
0 upgraded, 5 newly installed, 0 to remove and 0 not upgraded.
Need to get 66.8 MB of archives.
After this operation, 270 MB of additional disk space will be used.
Do you want to continue? [Y/n] Y
WARNING: The following packages cannot be authenticated!
  mongodb-org-shell mongodb-org-server mongodb-org-mongos mongodb-org-tools mongodb-org
Install these packages without verification? [y/N] Y
Get:1 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4/multiverse amd64 mongodb-org-shell amd64 3.4.6 [7,981 kB]
Get:2 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4/multiverse amd64 mongodb-org-server amd64 3.4.6 [14.2 MB]
Get:3 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4/multiverse amd64 mongodb-org-mongos amd64 3.4.6 [8,110 kB]
Get:4 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4/multiverse amd64 mongodb-org-tools amd64 3.4.6 [36.5 MB]
Get:5 http://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.4/multiverse amd64 mongodb-org amd64 3.4.6 [3,556 B]
Fetched 66.8 MB in 3s (20.3 MB/s)
Selecting previously unselected package mongodb-org-shell.
(Reading database ... 108006 files and directories currently installed.)
Preparing to unpack .../mongodb-org-shell_3.4.6_amd64.deb ...
Unpacking mongodb-org-shell (3.4.6) ...
Selecting previously unselected package mongodb-org-server.
Preparing to unpack .../mongodb-org-server_3.4.6_amd64.deb ...
Unpacking mongodb-org-server (3.4.6) ...
Selecting previously unselected package mongodb-org-mongos.
Preparing to unpack .../mongodb-org-mongos_3.4.6_amd64.deb ...
Unpacking mongodb-org-mongos (3.4.6) ...
Selecting previously unselected package mongodb-org-tools.
Preparing to unpack .../mongodb-org-tools_3.4.6_amd64.deb ...
Unpacking mongodb-org-tools (3.4.6) ...
Selecting previously unselected package mongodb-org.
Preparing to unpack .../mongodb-org_3.4.6_amd64.deb ...
Unpacking mongodb-org (3.4.6) ...
Processing triggers for man-db (2.7.5-1) ...
Setting up mongodb-org-shell (3.4.6) ...
Setting up mongodb-org-server (3.4.6) ...
Adding system user `mongodb' (UID 113) ...
Adding new user `mongodb' (UID 113) with group `nogroup' ...
Not creating home directory `/home/mongodb'.
Adding group `mongodb' (GID 118) ...
Done.
Adding user `mongodb' to group `mongodb' ...
Adding user mongodb to group mongodb
Done.
Setting up mongodb-org-mongos (3.4.6) ...
Setting up mongodb-org-tools (3.4.6) ...
Setting up mongodb-org (3.4.6) ...
Create mongodb.service configuration file
$ sudo nano /etc/systemd/system/mongodb.service
Start MongoDB as Daemon
$ sudo systemctl start mongod
Check status of MongoDB
$ sudo systemctl status mongod
Output:


 mongodb.service - High-performance, schema-free document-oriented database



   Loaded: loaded (/etc/systemd/system/mongodb.service; disabled; vendor preset: enabled)



   Active: active (running) since Thu 2019-07-16 03:25:42 UTC; 1min 43s ago



 Main PID: 13102 (mongod)



    Tasks: 20



   Memory: 34.8M



      CPU: 408ms



   CGroup: /system.slice/mongodb.service



           └─13102 /usr/bin/mongod --quiet --config /etc/mongod.conf








Jul 13 03:25:42 ip-192-31-13-143 systemd[1]: Started High-performance, schema-free document-oriented database.

Enable process start for MongoDB when system reboot
$ sudo systemctl enable mongodb
Output:
Created symlink from /etc/systemd/system/multi-user.target.wants/mongodb.service to /etc/systemd/system/mongodb.service.

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Tuesday, 11 July 2017

Amazon VPC

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What is Aws VPC ?
VPC is a virtual private cloud or virtual private network which you can define on Amazon cloud and create logically isolated sections on amazon cloud  which supports IPv4 and IPv6 supports hardware VPN connections.
You can have full control of AWS architecture. We can control the selection of ip range.

With VPC, you can able to increase the capacity of existing on-premises infra for your organisation.
Launch the disaster recovery environment.
Launch the testing environment.
Serve the virtual desktop apps with your organisation.
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Saturday, 8 July 2017

AWS DynamoDB

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DynamoDB is no sql, fully managed database.
What is the difference between relational database and nosql database.

Relational database stores the data in table format where as no sql database stores the data as document for high scalability.
NoSQL database stores the data as key value.

There are many no sql database available in the market like mongodb, Cassandra, Redis etc.

What is the difference about DynamoDB.

With dynamoDB, you never worry about database maintanance and administration.

You can use the local version of DynamoDB to developer your app locally. Then use DynamoDB service to scale globally.

It is great for bigdata, gaming, mobile apps etc for high availability.
It takes backup with regular intervals.  You dont need to follow ACID properties.
It is accessed by web services.


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AWS Lambda and Pricing

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 Lambda is a compute service where you can upload your code to and your code will be executed on your behalf using Amazon infrastructure.

Each piece of your code is called a function on the Lambda platform.Using Lambda is bit like porting your code to a server except that you don’t have to manage that and your don’t have to worry about scaling or availability.

Lambda functions can be written in Java, Python or Nodejs.

All the functions you upload to lambda are stateless.
All persistence data you can store using S3 and DynamoDB to store stateful information.

Lambda will automatically scale the  incoming events and scale back down when needed. There is no autoscaling is configured. Everything is automatically handled by Amazon.

How can we trigger a Lambda function ?
Lambda functions can be trigger by events from other AWS services.

For example, you can trigger a lambda function when a new file is uploaded to S3 bucket. You can also trigger through HTTP.

Pricing :

Free Tier Available
1M requests
3M seconds of compute time each and every month.
No usage -  no cost


First Lambda function in Nodejs

Go To AWS Console

Go to Compute Section and open Lambda

Choose runtime as NodeJS 4.3 , this is the latest stable version, please do not pick NodeJS older version - which is a legacy version.
We will go with simple hello-world function

Configure trigger section - we not going to set up triggers right now.
We just set up the function and in future, we are going to connect this function to api gateway.
Configure function section -
Name : Your function name    example: random-number-generator
Description : Simple Lambda function
Runtime : NodeJS 4.3


you have options here
you can edit the code, you can upload the code.
‘use strict’
exports.handler = (event, context, callback) =>{

console.log(‘value1=’,event.key1);
callback(null,event.key1);
};



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