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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...
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 system should...
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...
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 easily. ...
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...
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 this combination can be used. ...
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 the most vastly used...
The Docker provides capabilities to ship and run containerized application on the development machine and eliminates inconsistency in the different environment. However, it needs Linux Kernel to run Docker Daemon on the machine. There are many tools to run Docker on Windows/MAC machine. In this post, we will focus on running multiple...
In one of the project that I was working, I had to set up multiple environments in the same Kubernetes cluster. The environments are namely QA and UAT. The blog will guide the reader on how to segregate different environments in same Kubernetes cluster and have control over each environment in such a way that the other environments...
The software development teams have immensely benefited by adopting iterative and incremental development practices over old-fashioned and traditional software development approach. Today, more and more companies are embracing Agile methodologies to allow the development teams to respond quickly to stakeholders’ feedback and provide...
Logs are very useful as it monitors and provides important information about the program such as activities, executions, real-time data etc. Log.io is a log management tool that monitors the system and provides real-time information on the system logs. It is a simple and effective application built on top of Node.js and Socket.io....
