SysAdmin

Monitor and manage group services on with ZooKeeper, a centralized coordination service that manages configuration information, naming, distributed synchronization, and provisioning. Configure ZooKeeper in standalone mode for evaluating, development, and testing or in replicated mode for production.

If you decide to change your hostname, you have multiple available options to do so. Follow the methods in this guide and you will successfully change the hostname on your CentOS8 / RHEL machine.

This article is meant to assist readers in determining whether pfSense or Sophos would better fit their system's requirements. It contains a clear and brief overview of pfSense and Sophos' characteristics.

Pip is a standard package manager for Python which you can use to install additional packages that are not part of Python standard library. This tutorial will help you install Pip on CentOS 8.

Learn when to use the su command and when to use the sudo command. While su is mostly used for account switching, sudo is utilized for executing commands that require root privileges. Find out more about SU vs. SUDO in this in-depth comparison.

Searching in Vim or Vi allows you to easily navigate through large files. This guide teaches you how to search for a word or pattern and move through the search results, with or without case sensitivity.

The ls command (short for “list”) lists information about directories and any type of files in the working directory. Learn how to use ls command in this article.

This tutorial introduces you to basic Python Pandas concepts and commands. A selection of clear-cut images and well-defined examples show you how to manage simple data structures.

The tutorial shows you how to deploy Redis using the Docker run command. Also, learn how to deploy Redis on multiple servers in your cluster, efficiently link the containers, and access Redis from remote servers.

Vim is an open-source text editor found in most Linux distributions. This article lists all the commonly used Vim commands and includes a downloadable one-page cheat sheet for future reference.