Over the past 20+ years, I have been working as a software engineer, architect, and programmer, creating, designing, and programming various applications. My main focus has always been to achieve business goals and transform business ideas into digital reality. I have successfully solved numerous business problems and increased productivity for small businesses as well as enterprise corporations through the solutions that I created.
My strong technical background and ability to work effectively in team environments make me a valuable asset to any organization.
This tutorial guides you through setting up Ansible, Java, and Zookeeper on an Ubuntu system. It includes detailed explanations and examples of each command used, such as updating the package list, installing necessary tools, setting up directory structures, and configuring Vagrant for a multi-node Zookeeper cluster.
Tracking your technology configurations is crucial, especially when multiple changes occur frequently. The jobConfigHistory plugin for Jenkins provides an effective solution for monitoring and managing these changes. By maintaining a history of configuration alterations and allowing for easy reversion to previous versions, this plugin streamlines the management process, ensuring smoother operations for your technology infrastructure.
In this guide, we explore the differences between running shell scripts with source script.sh and ./script.sh, understanding variable scopes, and utilizing special variables like $@, $*, $0, and $#. Additionally, we cover the nuances of exit statuses, file testing with various options, and arithmetic tests. Finally, we compare methods for variable testing and command substitution. Understanding these concepts will enhance your command line efficiency and scripting capabilities.