Blogs

android.os.Handler allows us to send and process Message and Runnable objects associated with a thread’s MessageQueue. Each Handler instance is associated with a single thread and that thread’s message queue. Handler used for: Message creation Inserting messages into the queue Processing messages on the consumer thread Managing messages in the queue Construction Of Handler By […]

We have already read about Amazon Aurora service in my previous post . Today we are going to migrate our existing RDS instance to Aurora Cluster. . The things you must know before migration:- 1. Aurora can be placed only in three regions (us-east-1, us-west-2 and eu-west-1). So if you are planning to migrate other […]

Google IMA SDK provide a solution to publisher who are requesting video ads from the following sources: DoubleClick for Publishers (DFP) Ad Exchange for Video AdSense for Video (AFV) and AdSense for Games (AFG) Third-party ad servers The Google IMA SDKs are supported on the following platforms: Platform Version Ad Type Flash Flash Player 10+ […]

Prerequisites: This tutorial requires existing Nagios server to be up and running and root privileges for Nagios server and remote Linux host. Please follow this blog for its setup. Most of the system administrators write custom shell scripts  to do basic monitoring and sends email in case services crosses defined thresholds, but those scripts can’t […]

We come across a lot of instances of Cloud based applications being hit by DDoS attacks. We must accept the fact that most of us are unaware of risks and protection methods available for DDoS protection in the cloud. This blog post emphasizes on understanding DDos attack and providing an approach to prevent unauthorized access […]

My previous blog talks about overview of ansible, installation steps and a small demo on basic functionality of ansible. Ref Link Ansible-Configuration Management System Scope This blog will help you understand the basics of playbook and its terminologies. Ansible Playbook A playbook consists of simple set of steps called tasks that run on remote machines […]

Hi All, In my previous blog . I have explained how to send the push notification to Android Device. Now, it’s time to see how we can send push notification to iOS devices. For sending Push Notification in iOS I have used JavaPNS_2.2.jar . So before, directly jumping on example we should know that what […]

Hi All, I had a use case where I need to send the push notification to Android Device using Grails Application. For sending push notification I have used the Android GCM plugin. So, before going further we should know what is push notification and how it works. Push Notification : It is a message or […]

About Sitemap Sitemap is an XML file that include URLs of a website and their basic information like last updated, how often it changes and how much important it is as compared to other URLs by giving its priority. Purpose of Sitemap The information listed in Sitemap.xml file is used by the search engines to […]

AWS announced its new database service for customers called “Amazon Aurora” which I have been waiting for since a long time. It delivers up to 5X performance of MySQL with high availability in 3 different regions. As it is new to all of us, so today we will be having hands on experience on AURORA […]

In this blog we are going to discuss about “Collection View Custom Layouts” and “Switching between two collection view layouts” in iOS development. First of all we will know about Collection View Layouts. What Is a Layout? UICollectionViewLayout is an abstract class that should not be created itself; its only purpose is to be subclassed. […]

Recently on my project, someone did brute force attack over the login page of WordPress with multiple IPs. In the first response, we have blocked those IP on Nginx conf and later we realized, it would be better if we do it through IPtables. However, this was not enough as we need the manual intervention on the daily […]