Automation – Page 2 – Blog by Jay Mutkawoa (Nitin)

Chef workstation and a basic cookbook

Post Author By Nitin J Mutkawoa
Post Date August 7, 2016
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Since the main jobs of system administrator is to maintain systems, keep repeating ourselves which is kind boring as well as to dig into our memory of previous configurations that we have set up on a machine. No wonder, manual [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 Security

CVE-2015-7547 – Update Glibc & restart BIND with Ansible

Post Author By Nitin J Mutkawoa
Post Date February 21, 2016
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You might be seeing a huge crowd of system administrators and Devops rushing to update their servers immediately due to the security flaws detected on Glibc. This security leak is identified as skeleton key under CVE-2015-7547: glibc getaddrinfo stack-based buffer overflow. [Read More…]

Linux Application Linux System

Some funs with Ansible playbooks

Post Author By Nitin J Mutkawoa
Post Date February 20, 2016
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As we have seen last time, Ansible is really cool especially for automation. In the blog post Getting started with Ansible i have share the following points: Basic deployment of Ansible on 2 virtual machines Dependencies that are usually needed [Read More…]

Linux Application Linux System

Getting started with Ansible Deployment

Post Author By Nitin J Mutkawoa
Post Date February 20, 2016
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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…]

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