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
Linux Commands
Check directory usage with du Command in Linux
In this tutorial, you will learn how to check directory usage with du command in Linux. du, an acronym for disk usage can help you
How to get Byte Count in a File in Linux
This simple tutorial will show you how to get byte count in a file in Linux. Byte is a unit of digital information that most
Delete Lines Matching Specific Pattern in a File using VIM
This guide will take you through how to delete lines matching specific pattern in a file using VIM. Linux system admins work with files day
Make Permanent DNS Changes in resolv.conf on Linux
Follow through this guide to learn how to make permanent DNS changes in resolv.conf on Linux. According to man resolv.conf, resolv.conf is a resolver configuration
Shrink Linux Root Filesystem by Migrating to New Disk
In this tutorial, you will learn how to shrink Linux root filesystem by migrating to new disk. Shrinking the Linux root filesystem can be necessary
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
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
How to copy paste lines in vim
Follow this tutorial to learn how to copy paste lines in vim. VIM, an acronym for Vi iMproved, is a highly configurable text editor built
Is Linux the Best OS for Computer Science Students
As a computer science student, there are a handful of operating systems (OSes) for you to consider. The most popular system applications are macOS, Windows,