Is Linux the Best OS for Computer Science Students

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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, Linux, and Chrome OS. Each of these OSes has various features and tools suitable for students. In addition, there are benefits and demerits to using each software. In particular, a Linux operating system is a...

Install Sysdig System Visibility Tool on Ubuntu 22.04

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Install Sysdig system visibility tool on Ubuntu
This tutorial will take you through how to install Sysdig system visibility tool on Ubuntu 22.04. Sysdig is a simple visibility tool that provides deep visibility into your system. According to sysdig man pages; sysdig is a tool for system troubleshooting, analysis and exploration.It can be used to capture, filter and decode system calls and other OS events.It can be...

Lock Linux User Account after Multiple Failed Login Attempts

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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 configured to lock accounts after specific number of failed login attempts. Such are some of the security measures that aims at curbing brute force authentication attacks. This can be achieve specifically through pam_faillock module....

How to get byte count in a file in Linux

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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 commonly consists of eight bits. File sizes are measured in bytes. How to get byte count in a file in Linux There are various Linux commands that you can use to get by count in a...

Linux Commands Cheat Sheet

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To have a full grip on your device, it is important to have a reliable operating system.  Managing memory, storage or CPU is a task that a good quality OS will execute easily. When choosing the operating system that meets your needs, you must look at the characteristics and commands that are important to your type of work. Take...

Uncomment Lines in a File using SED in Linux

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Uncomment Lines in a File using SED in Linux
In this tutorial, you will learn how to uncomment lines in a file using SED in Linux. According to man sed, "Sed is a stream editor. A stream editor is used to perform basic text transformations on an input stream (a file or input from a pipeline). While in some ways similar to an editor which permits scripted edits...

How to copy paste lines in vim

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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 to make creating and changing any kind of text very efficient. It is included as "vi" with most UNIX systems and with Apple OS X. Vim is featureful with the following being among its features: persistent,...

Make Permanent DNS Changes on resolv.conf in Linux

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make DNS permanent changes on resolv.conf in Linux
Follow through this guide to learn how to make DNS permanent changes on resolv.conf in Linux. According to man resolv.conf, resolv.conf is a resolver configuration file. The resolver is a set of routines in the C library that provide access to the Internet Domain Name System (DNS). The resolver configuration file contains information that is read by the resolver...

Check directory usage with du Command in Linux

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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 as a Linux Users or an administrator to check and report which files or directories are consuming how much disk space in the Linux system. Syntax: du ... ... Check directory usage with du Command in...

How to use htop Command in Linux

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How to use htop Command in Linux
In this tutorial, you will learn how to use htop command in Linux. An interactive process viewer (htop) is a free GNU GPL process viewer for Linux which have a slight difference with the top command, htop command; allows you to scroll vertically and horizontally so that you can see all processes running in the system along with their full...