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
Linux Commands
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
Installing Perf Performance Analysis Tool on Ubuntu 18.04
Good day all. This guides is about installing Perf performance analysis tool on Ubuntu 18.04. Perf, also known as perf_events is a powerful performance counter
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
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
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,
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
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
Restrict SFTP User Access to Specific Directories in Linux
In this guide, we are going to learn how to restrict SFTP user access to specific directories in Linux systems. SFTP, an acronym for Secure
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