To start using Couchbase solution as data store for your mobile application you need to setup up couple of things. This stack is named Couchbase Mobile and consist of three components: Couchbase Lite (Embedded NoSQL database) Couchbase Sync Gateway (Server component to synchronize data between the device and server) Couchbase Server (NoSQL database server) Download the above components from here. Going forward we are going to setup the two server components from the above list on Ubuntu machine (Ubuntu 14.04 at the time of writing). For the sake of writing, I have used droplet from Digital Ocean. But it is not restricted to any hosting provider. You can spin up a Ubuntu machine on Amazon Web Service, Microsoft Azure or any other hosting provider of your choice. AWS also provides a ready made package for the same in AWS marketplace you can use. Once you have a Ubuntu machine » Read more
The brand new version ASP.NET 5 (a.k.a ASP.NET vNext) can be developed and hosted on all three major platform - Windows, Linux and MacOS. Getting started with ASP.NET 5 (TODO: Link to be updated with new Post for .NET tools) is not so hard after all and is definitely fun to play early. The biggest break through that comes to .NET and ASP.NET world is the capability to write and host anywhere. Yes you can now develop and host a ASP.NET Web application - MVC or WebAPI even SignalR on any platform - Windows, Linux and MacOS. This has always been the de-facto standard for windows since long using Visual Studio (prior VS2015) but it can be fun on Linux and MacOS also using your favourite editors or Visual Studio Code. Following step needs to be performed on a brand new spinning Linux » Read more
Once you have your PostgreSQL database server installed, up and running, due to security reasons by default remote access to connect with your database instance is disabled. If you try connecting with your PostgreSQL database server from client machine, you will encounter error. could not connect to server: Connection refused (0x0000274D/10061) Following screenshot displays error I received when trying to connect from a windows client machine using pgAdmin III Following below steps you will be able to enabled remote access to PostgreSQL database server. Before even we start it is important to know that there are two configuration files (and others) which control how your database server works. This configuration files contains settings that needs to be tweaked or changed to make your database instance run as per your needs. postgresql.conf (Used to set various parameters that affect the database) pg_hba.conf (Used to control client authentication, » Read more
Ok so you know the blah blah of how PostgreSQL is awesome relation database (RDBMS) and great for reliable transactions, good for so many things, lots of enterprise features and gives concurrency without read locks and stuffs. If you are not aware of this RDBMS, then I would recommend you search for advantages of using PostgreSQL and what is served in its plate. PostgreSQL is pronounced mostly as "post gray sequel" or "post ge are ee as que el" (I am sounding very dramatic here). Back to the post now, Fire up your Ubuntu 14.04 to start the installation. It would almost follow the same for most of the Ubuntu flavors out there. First step - you know the drill :) sudo apt-get update Next step: sudo apt-get install postgresql postgresql-contrib postgresql installs the core PostgreSQL engine and RDBMS around which everything else is build. The » Read more
