PostgreSQL is a powerful, open source object-relational database system (ORDBMS). The version 8.0 and above also comes with the native Windows compatibility. Compared to other RDBMSs, PostgreSQL differs itself with its object-oriented and/or relational database functionality, such as the complete support for reliable transactions, i.e. Atomicity, Consistency, Isolation, Durability (ACID). What happens if we want to […]
OpenDJ is a directory server which implements a wide range of Lightweight Directory Access Protocols (LDAP). OpenDJ is written in Java language. It was an internal project started by Sun Microsystems, which is now maintained by Forgerock. Steps to set-up OpenDJ LDAP Server: Register to www.forgerock.com and download the .zip or .deb package. Download the OpenDJ LDAP […]
This blog describes how to set up a high-availability (HA) Kubernetes cluster. This is an advanced topic and setting up a truly reliable, highly available distributed system requires few steps to be performed. We will go into each of these steps in detail, but a summary will help the user as a guide. Here’s what the […]
DevOps is not merely a designation, practice, concept or philosophy, rather, it is a combination of all that emphasizes on the collaboration of both software developers and IT professionals. It is basically a culture wherein the DevOps acts as a bridge between the developers and administrators. It acts as a catalyst in automating the process of […]
Windows provides FTP support that can be enabled from the Features section. The default Windows FTP feature has two modes of operations. Simple Plain text FTP and FTPS. However, configuring FTPS on a firewall can be a complex task because it requires opening up multiple ports. SFTP is a secure way of accessing remote servers […]
AWS recently launched a new Application Load Balancer (ALB) that supports Dynamic Port Mapping with ECS. It allows you to run two containers of a service on a single server on dynamic ports which ALB automatically detects and reconfigures itself. Amazon EC2 Container Service ECS is a managed container service that allows you to run […]
In this blog, we will learn how to setup Kubernetes cluster on servers running on CentOS (Bare-metal installation) as well as deploy add-on services such as DNS and Kubernetes Dashboard. If you are new to Kubernetes cluster and want to understand its architecture then you can through the blog on the Introduction on Kubernetes. So, […]
As we know, ephemeral storage is SSD storage which is provided by AWS freely with specific higher configuration of instances. It can be used to get the better disk I/O, as this storage may lose data if instances stop. So we never use this ephemeral storage for important data. Below are the use cases where […]
Configuration management has become a prominent part of DevOps practices. Either be it a matured Chef and Puppet or new entrants Ansible and SaltStack, all of them are better than another in one or other way. However, playing without securing them is a big security risk and is not in the veins DevOps. Chef is […]
