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ecs-cli up --keypair mycredentials --capability-iam --size 5 --azs us-east-1a,us-east-1b --instance-type m4.large
got this issue.
Failure event reason="Parameter validation failed: parameter value mycredentials for parameter name KeyName...
Saturday, 26 August 2017
Wednesday, 23 August 2017
August 23, 2017
S3 bucket - repository/tag: invalid reference format.
I am unable to backup docker volume to S3. Trying to run the docker command.
docker run -d --name 945e1345eed616bbd2a5dd920df2d -e BACKUP_INTERVAL=1m \ S3_BUCKET=33222a9e09 -e AWS_ACCESS_KEY_ID=DFHFHGJHS2KIADCGGD7IBVZQ -e AWS_SECRET_ACCESS_KEY=mbfdbd6kvUgpPlH/7H5/jfJRJnaX1RTJBDF
docker: Error parsing reference: " S3_BUCKET=33222a9e09" is not a valid repository/tag: invalid reference format.
docker:...
Monday, 21 August 2017
August 21, 2017
Cloud Watch Alarms- policy issue
Your Auto Scaling policy ScaleOutPolicy could not be found at this time. Please try reselecting this alarm. If the policy does not exist you may modify this alarm to set up a valid actio...
Sunday, 20 August 2017
August 20, 2017
AWS S3 Tutorial
Amazon Simple Storage Service is also known as Amazon S3. It is highly scalable object storage in the cloud securely.
It is used to store any amount of data.
MultiPart form uploading to AWS
S3 is Object Storage with a simple web service interface to store and retrive any amount of data from anywhere on the web.
What is multi part upload ?
1. Initiate the Multi part Upload
2. Seperate the object...
Saturday, 19 August 2017
August 19, 2017
Aws Security Groups
The very first thing to ensure that the unwanted or unauthorized traffic doesn't get in into the instances using Security Group.
What is a Security Group?
It is a AWS firewall solution which filters the incoming and outgoing traffic from an instance.
Filtering is done based upon the ip protocols,ports...
Thursday, 17 August 2017
August 17, 2017
aws instance types
General Purpose (T2, M3, M4 class):
These provides overall balance of Ram, CPU and provide burstable performance.
IOP starts from 100 and upto 3000.
Compute Optimized (C3 and C4 class):
It is meant for hude traffic.
Storage Optimized(I3 and D2 class):
It is for large datawarehouse.
Memory Optimized(X1, R3 and R4 class):
It is for Memcached and enterprise apps.
Accelerated Computing(P2,...
Wednesday, 16 August 2017
August 16, 2017
Unabme to run docker without sudo
I am unable to run docker without sudo.
Got permission denied while trying to connect to the Docker daemon socket at unix:///var/run/docker.sock: Get http://%2Fvar%2Frun%2Fdocker.sock/v1.25/containers/json: dial unix /var/run/docker.sock: connect: permission denied
I added docker to user group
sudo usermod -aG docker $USER
Still i am unable to run without sudo...
Sunday, 13 August 2017
August 13, 2017
docker Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
Warning: failed to get default registry endpoint from daemon (Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?). Using system default: https://index.docker.io/v1/
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Cannot connect to the Docker daemon at unix:///var/run/docker.sock....
Monday, 7 August 2017
August 07, 2017
Jupyterhub is not running on ubuntu 16.04
$ jupyterhub
/home/ubuntu/jupyterhub_config.py:6: UserWarning: IPython.utils.localinterfaces has moved to jupyter_client.localinterfaces
from IPython.utils.localinterfaces import public_ips
[I 2017-08-07 18:36:18.545 JupyterHub app:724] Loading cookie_secret from /home/ubuntu/jupyterhub_cookie_secret
[W 2017-08-07 18:36:18.576 JupyterHub app:365]
Generating CONFIGPROXY_AUTH_TOKEN....
August 07, 2017
Install NodeJS on Ubuntu 16.04
1. sudo apt-get update
2. sudo apt-get install nodejs
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3. sudo apt-get install npm
sudo apt-get install nodejs
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following...
August 07, 2017
no space left on device docker
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failed to register layer: Error processing tar file(exit status 1): write /opt/conda/lib/python3.5/site-packages/sympy/core/tests/test_args.py: no space left on devic...
August 07, 2017
install docker-engine issue
sudo apt install docker-engine
Reading package lists... Done
Building dependency tree
Reading state information... Done
Some packages could not be installed. This may mean that you have
requested an impossible situation or if you are using the unstable
distribution that some required packages have not yet been created
or been moved out of Incoming.
The following...
August 07, 2017
The program 'docker' is currently not installed.
docker -v
The program 'docker' is currently not installed. You can install it by typing:
sudo apt install docker.io
(my_env) ubuntu@ip-192-31-19-128:/tmp$ sudo apt install docker.io
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following additional packages will be installed:
bridge-utils cgroupfs-mount containerd...
August 07, 2017
conda install traitlets tornado jinja2 sqlalchemy
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conda: command not foun...
August 07, 2017
Permission error- Unable to ssh into Amazon EC2 instance
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ssh -i ec2-instance-cert.pem root@publicip or public dns
@@@@@@@@@@@@@@@@@@@@@@@@######@@@@@@@@@@@@@@@@@@@@@@@@@@@@@
@ ### WARNING: UNPROTECTED PRIVATE KEY FILE! ### @
@@@@@@@@@@@@@@@@@@@@@@@@######@@@@@@@@@@@@@@@@@@@@@@@@@@@@
Permissions 0644 for 'test.pem' are...
Sunday, 6 August 2017
August 06, 2017
Mongoose
It is an object modeling tool for nodejs that connects MongoDB.Mongoose take the models and maps them to MongoDB database.
install required dependencies
npm install mongoose
var mongoose = require('mongoose');
/*without callback */
mongoose.connect('localhost','mydatabase');
/* with callback */ create a connection object and bind two callabcks.
var db = mongoose.connection;
db.on('open',function...
August 06, 2017
Elastic Load Balancing
Elastic Load Balancing automatically distributes the incoming application traffic across multiple was ec2 instances.
Two types of load balancers :
Application Load Balancer
Classic Load Balancer
Elastic Load Balancing :
It is in-region load balancing service and distributed traffic across multiple...
Saturday, 5 August 2017
August 05, 2017
Creating Database MongoDB
MongoDB is document based database.
Creating Database NodeJS - MongoDB
Once mongoDB is up and running,
var mongoDB = require('mongodb');
var mydbserver = new mongodb.server('localhost', 27017, {auto_reconnect:true});
/* new mongodb.Db() creates a new database */
/* w:1 sets the write concern */
var database = new mongodb.Db('eCommerceDb',mydbserver, {w:1});
Collections...
Tuesday, 1 August 2017
August 01, 2017
Installing MongoDB
Mac Installation :
The easy way to install MongoDB is by using package manager like Homebrew or MacPorts.
$ sudo brew install mongodb
or
$ sudo port install mongodb
Setup the data directory
$ sudo mkdir -p /data/db
setup appropriate permissions
$ sudo chown 'id -u' /data/db
Ubuntu Installation :
To authenticate apt-get package,...
