Delete Lines Matching a Specific Pattern in a File using SED
In this guide, we are going to learn how to delete lines matching a specific pattern in a file using SED. SED is a stream
Linux Commands
Installing Perf Performance Analysis Tool on CentOS 8
In this guide, we are going to learn on installing Perf Performance Analysis Tool on CentOS 8. Perf aka perf_events aka perf tools is a
Run only Specific Commands with sudo in Linux
In this guide, you are going to learn how to run only specific commands with sudo in Linux. Our previous guide covered how to add
Lock Linux User Account after Multiple Failed Login Attempts
Follow through this guide to learn how to lock Linux user account after multiple failed login attempts. Linux through Pluggable Authentication Modules, PAM, can be
Example Usage of ps Command in Linux
This guide will take you through various example usage of ps command in Linux/Unix system. ps, an acronym for Processes Status is a utility used
Upgrade a Single Package on CentOS/Fedora
Want to upgrade a single package on CentOS/Fedora systems? Worry not, because, CentOS/Fedora or any other RHEL based distribution provides a way to upgrade a
Create User Account using useradd/adduser commands in Linux
In this tutorial, you will learn how to create user account using useradd/adduser commands in Linux. User management is one of the most common task
Step-by-Step Guide: How to Install Helm on Kubernetes Cluster
In this tutorial, we will provide you with a step by step guide on how to install Helm on Kubernetes cluster. We are running a
Is Knowing Linux Profitable for a Graduate?
Many people think that Windows and Mac are the only reliable and relevant operating systems. That’s why people always hesitate about learning Linux. Is it
Connect to WiFi in Linux Using NMCLI command
This tutorial will guide you on how to connect to WiFi in Linux using NMCLI command. NMCLI is a command-line tool for controlling NetworkManager and