centos – Page 4 – Blog by Jay Mutkawoa (Nitin)

MariaDB-10.1 Galera Cluster on CentOS 7

Post Author By Nitin J Mutkawoa
Post Date March 27, 2016
Post Comment 8 comments

Some times back, i posted two articles on MariaDB Master-Master replication and MariaDB Master-Slave replication. Well, after several requests from friends, i was asked to blog on MariaDB Galera Cluster. MariaDB Galera Cluster is a synchronous multi-master cluster for MariaDB. [Read More…]

Linux Application Linux System Scripts and codes

Configure your LVM via Ansible

Post Author By Nitin J Mutkawoa
Post Date March 8, 2016
Post Comment 4 comments

Some days back, I gave some explanations about LVM such as creations of LVM partitions and a detailed analogy of the LVM structure as well as tips for using PVMOVE. We can also automate such task using the power of [Read More…]

Linux Application Linux System

Installing, Updating and Playing around with a Docker container

Post Author By Nitin J Mutkawoa
Post Date February 26, 2016
Post Comment 0 comments

Docker will probably be on heavy development those days. This article will be dedicated to most of the basics to install and update a docker instance and some tips to play around. In the future, I will get into details [Read More…]

Linux Application Linux System

Getting started with Ansible Deployment

Post Author By Nitin J Mutkawoa
Post Date February 20, 2016
Post Comment 0 comments

Ansible is on open source IT orchestration engine that manages on-premise and in the cloud remote devices in a coordinated fashion. These are servers, networking hardware, and storage devices. Ansible can be used to talk to typical load balances, firewalls [Read More…]

Database Systems

Simple Master-Master replication on MariaDB

Post Author By Nitin J Mutkawoa
Post Date November 7, 2015
Post Comment 7 comments

Lets set up a simple Master-Master database replication on MariaDB. I have already posted an article on the setting up of Master-Slave database replication. You can test it on Virtual Box or Vmware labs for your own analysis and benchmark. [Read More…]

Linux System

Overlay Union Filesystems in Linux

Returning to the world of blogging after nearly a month’s hiatus, I find myself intrigued by the concept of Overlay Filesystems. This article has piqued my curiosity, and I am convinced it will offer valuable insights for my future endeavors. [Read More…]

Posted on February 18, 2024February 18, 2024 by Nitin J Mutkawoa

Uncategorized AKA Non-Tech-Stuffs

My indoor plants in Winter 2024

I used to have a cool indoor greenhouse in my living room growing lettuce, arugula, and thyme. However, since I work from home most of the time and need a dedicated office space, I decided to make some changes. I [Read More…]

Posted on January 19, 2024 by Nitin J Mutkawoa

Cloud Computing

Playing around with SSM, Tags, and Resource Group in AWS

AWS Systems Manager is a service provided by Amazon Web Services (AWS) that helps you automate and manage your infrastructure at scale. It provides a unified user interface so that you can view operational data from multiple AWS services and [Read More…]

Posted on January 18, 2024 by Nitin J Mutkawoa

Blockchain and Fintech

Smart Contracts and Tokens in Ethereum

Smart contracts in Ethereum are self-executing contracts with the terms of the agreement directly written into code. They are computer programs that run on the Ethereum blockchain and automatically enforce the rules and conditions defined within their code. If you [Read More…]

Posted on January 17, 2024January 18, 2024 by Nitin J Mutkawoa

Blockchain and Fintech

Ethereum, Solidity and Decentralization

Ethereum can be considered a technology that is more capable than Bitcoin. In a traditional Blockchain technology like Bitcoin, I mentioned how Bitcoin is mostly focused on a ledger system with records and algorithms backing up the transactions. But Ethereum [Read More…]

Posted on January 16, 2024 by Nitin J Mutkawoa

Blockchain and Fintech

Proof of Stake in Blockchain

In some of my previous articles, I wrote about the Consensus protocol. If you had been following closely, you would have come across the term several times. I explained how Consensus is a mechanism by which participants in a distributed [Read More…]

Posted on January 15, 2024 by Nitin J Mutkawoa