Many applications getting popular which is great, but when it comes to performance under heavy load, it is very bad. At the peak times, users are just giving up.
How we can solve this issue without re-engineering the application?
Amazon ElasticCache will solve the problem. It improves the performance of web applications by allowing the retrive the information fast, in-memory caches instead of relying...
Friday, 28 July 2017
July 28, 2017
What is Amazon ElasticCache ?
July 28, 2017
Install Nodejs on Ubuntu 16.04
Node.js is a platform built on chrome's Javascript runtime for easily bulding fast and scalabale apps.
It uses an event driven, non blocking I/O model that makes it light weight and efficient for data intensive apps that run across distributed devices.
first update api package
$sudo apt-get update
Using apt package manager, then $sudo apt-get install nodejs
Install npm package
$sudo apt-get...
Sunday, 23 July 2017
July 23, 2017
Cannot connect to the Docker daemon at unix:///var/run/docker.sock. Is the docker daemon running?
sudo dockerd \
--storage-opt dm.datadev=/dev/sda1 \
--storage-opt dm.metadatadev=/dev/sdf
INFO[0000] libcontainerd: previous instance of containerd still alive (1271)
INFO[0000] [graphdriver] using prior storage driver: aufs
Error starting daemon: error while opening volume store metadata database: timeout
$ systemctl daemon-reload$ sudo service docker...
July 23, 2017
Docker Machine
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...
Saturday, 15 July 2017
July 15, 2017
Install AWS Cli
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...
Thursday, 13 July 2017
July 13, 2017
Online training
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...
Wednesday, 12 July 2017
July 12, 2017
Installing MongoDB on Ubuntu 16.04
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...
