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User Account Management

User Account Management

Understanding User Account Management in Linux Linux system administrators face a lot of challenges, and one of the ongoing ones is dealing with user accounts. Onboarding, offboarding, managing passwords, disabling accounts, enabling accounts, preserving home...

Top 10 Basic Linux Commands

Top 10 Basic Linux Commands

Top 10 Basic Linux Commands Whether you're a Windows system administrator looking to expand your skills into Linux, a fresh convert to Linux, or someone who's looking to find a job in IT, this introduction to some common Linux commands is for you. These 10 commands...

Creating Filesystem on EBS Volume to Store Data

Creating Filesystem on EBS Volume to Store Data

In the previous post we had learned how to attach ebs volume to ec2 instance. Now in this post we will learn creating filesystem on ebs volume to store data. For using ebs volume to actually store data, we need to create filesystem on the ebs volume. On a Linux...

Tips on Linux Security

Tips on Linux Security

Tips on Linux Security Security is a popular discussion topic with Linux system administrators. Every discussion I read online, every meeting I attend, and every IT-centric discussion I'm part of always turns to security, and then the conversations turn, inevitably,...

Attaching EBS Volume to EC2 Instance using Terraform

Attaching EBS Volume to EC2 Instance using Terraform

If you are reading this, you are going good. We have already created EC2 instance using terraform and then configured webserver using user data via terraform. Now its the time for attaching ebs volume to ec2 instance using terraform. AWS EBS volume should be used to...

Understanding RAID for Beginners

Understanding RAID for Beginners

Understanding RAID All hardware will ultimately fail one day. This is one of the painful truth of technology. For most of the types of hardware used in modern infrastructure, the loss of a single component usually incurs some amount of downtime. Other than the time...

Creating Webserver using Terraform

Creating Webserver using Terraform

In the previous post we have learned how to install and configure terraform with aws cli and connect it to our AWS account. We had also learned how to create our first AWS instance using terraform. In this post we will learn how to: Creating webserver using terraform...

Most Asked Linux Interview Questions

Most Asked Linux Interview Questions List of recent Linux Interview question asked from our students in different companies for “Entry Level Linux Administrator” profile. These questions were asked in different companies from RHCE students. All aspiring Linux...

Creating an Apache based YUM/DNF Repository

Creating an Apache based YUM/DNF Repository

Creating an Apache based YUM/DNF repository on RHEL 8 Introduction to Local Repositories Repositories are used everywhere and can be accessed worldwide. You even know how to create your own repository using the RHEL DVD and installing packages through it. What we will...

How Does SSH Work?

How Does SSH Work?

How Does SSH Work? Before SSH When we send out information, we seat it in envelopes, boxes or packets to ensure that it only opened by the person who is intended to receive the information. We seal up the information and send it through a postal service. Ever since...