Blogs

Docker machine is  a new advancement of Docker team to manage docker servers. Using this tool, different docker server or hosts can be managed from a single workstation, be them in local LAN or on public or private cloud. Using docker-machine, we can provision docker instance at virtualbox, AWS, azure cloud, digital ocean, rackspace, openstack […]

Puppet Dashboard is a puppet user interface that gives you a bird eye view of system configurations. It shows the list of nodes that can be in changed, unchanged, pending, failed or unreported state. You can manage all your nodes from the dashboard without login into the puppet master server Requirements: Puppet Master (2.7.25) Install […]

The ubiquitousness of social media makes it a hot tool to handle.  It can either bring in more followers to your brand when managed effectively or can run down your reputation in no time. Needless to say, in the recent years social media strategy has become a prime concern for organizations of all sizes, from […]

Docker has gained a lot of attention these days. The main reasons which we know of are that it saves a lot of resources & one can have n number of environments within one server/machine. It being platform independent, is one more plus point for using docker & hence is one of the fastest growing […]

In this blog i will explain how to configure the access, error and slow logs of php-fpm and to modify the format in which the logs are received. Prerequisites: Lets have an application that uses the php5-fpm module, in this case, we will use the WordPress Application running on a LEMP stack. To enable the […]

You can upload files on AWS S3 using a server side solution, but in case of larger files it is advisable to use a client side solution. You can probably use JavaScript file upload feature of AWS S3. This is simple three step feature as described below: Step 1 : In the head section of your page include javascript sdk […]

Git is a widely adopted Version Control System known for its branching support. Recently I was required to find out all the remote branches with their author names. Upon browsing over the web I found that command git-for-each-ref can help me. Here is how I combined it with grep to get the desired output: [code] […]

In continuation to my previous Blog on Elastic Beanstalk (Grails Application) , I would now tell you how to deploy a PHP application via Elastic Beanstalk. So, again, we will quickly go through what AWS Elastic Beanstalk does. It is deploying your application in the AWS Cloud without worrying about the infrastructure & making your […]

The agenda of this blog is to demonstrate how to write basic validation test cases for domain class in grails application. Create a domain class User with some basic constraints. [java] package com.ttn.testing class User { String emailId String name static constraints = { emailId nullable: false, blank: false name nullable: true, blank: false, minSize: […]

This blog focusses on setting up Mcollective and puppet push-pull environment in open source puppet, configuration management tool. Puppet has a default behavior that agents pull their respective configurations (catalogs) at regular interval of time. The blog refers to certain use case where you don’t want an agent to make changes at their respective time […]

Apache Solr is an open source search platform built upon a Java library called Lucene. Solr is a popular search platform for Web sites because it can index and search multiple sites and return recommendations for related content based on the search query’s taxonomy. Solr is also a popular search platform for enterprise search because […]

Let us consider a scenario when all the service and custom logs of your ubuntu server gets backed up on S3 on a daily basis after compressing them and the allocated space is freed without using any third party software. We can achieve this task by the use of logrotate utility provided by the ubuntu […]