RHCSA9 Exam Series: Lab Results and Review
In this section of the RHCSA9 exam series, we will review the lab exercises from previous articles and compare results. Table of Contents Introduction Before we begin, we must announce this disclaimer: This is not the official RHCSA9 exam results or review process and is only designed to give you (“the reader”) an idea of […]
RHCSA9 Exam Series: Resetting the Root Password
In this RHCSA9 Exam Series: Resetting the Root Password article, we will review how to change or reset the root password in RHEL9. There’s a slight difference to the way this done as of the 9.0 release and the date of this publication. Table of Contents Introduction Breaking into a RHEL9 machine and changing the […]
Commonly used Tar and Gzip Commands in Linux With Examples
In this article, we will review commonly used tar and gzip commands in Linux with some examples. Linux users and IT professionals alike, ought to be familiar with most if not all these commands. Table of Contents Introduction In Linux, Tar and Gzip commands are used to compress and archive files and directories. These commands […]
The Top 10 Linux Tools for System Administrators
Discover how mastering the top 10 Linux tools for system administrators, including the powerful Bash and versatile Git, can help you efficiently manage networks, secure your systems, and become a Linux expert in no time. Table of Contents Introduction Linux is one of the most popular operating systems in the world, and for good reason. […]
Install VMware Workstation Player 16 on RHEL7 or CentOS7
In this article, we will review how to install VMware Workstation Player on a RHEL7 or CentOS7 Linux machine, guiding you through the installation process step by step to ensure a successful setup of the virtualization software on your Red Hat Enterprise Linux 7 or CentOS 7 system. Table of Contents Introduction Whether you’re a […]
Installing and Using Git on Linux Machines
In this article, we will review installing and using Git on Linux machines. Besides minor differences in syntax, the install commands and procedures are similar across any of the major Linux distributions. The “Git” in Git-SCM stands for “pig-headed”. It is a British slang term referring to someone who is argumentative and always thinks he […]
10 Interesting facts about Travis Oliphant
Learn 10 interesting facts about Travis Oliphant, a data science pioneer and entrepreneur who founded Continuum Analytics, created the widely-used NumPy library for Python, and is passionate about using data science for social good. Table of Contents Introduction Travis Oliphant is a renowned data scientist, software developer, and entrepreneur who has made significant contributions to […]
RHCSA9 Exam Series: Manage Users and Groups
In this article, we will review a scenario that may appear on the RHCSA9 exam. The RHCSA9 exam series articles are designed to increase your knowledge, skills, and confidence regarding the exam. However, practice makes perfect so, practice…practice…practice!! Table of Contents Introduction Before we begin, this article assumes that you already have running instances of […]
RHCSA9 Exam Series: Understand and use essential tools
In this section of the RHCSA9 Exam Series: Understand and use essential tools, we will examine some of the essential tools that may appear on the RHCSA9 exam and review different ways to accomplish administrative tasks within RHEL9 operating system (OS). Some of the commands we will review in this lab include: mkdir rmdir rm […]
Configure NTP on RHEL9 using Chrony
In this article, we will review how to configure NTP on RHEL9 using chrony. We will focus on the server-side setup and finish with the client-side setup. Table of Contents Introduction Before we begin, this article assumes that you already have running instances of RHEL9 or CentOS9 available. If not, you may reference the following […]