Wednesday, July 21, 2021

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...

Example Usage of ps Command in Linux

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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 to display running processes on Linux/Unix systems system. It reports a snapshot of the current system processes. Syntax: ps ps accepts three types of options: 1.UNIX options, which may be grouped and must be...

Example Usage of ls Command in Linux

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Example Usage of ls Command in Linux
In this tutorial you will learn how to use ls command in Linux/Unix Operating Systems. ls command is used to list files or directories contents from the command line (CLI). Through ls command, we obtain information about the files in the current or in any other directory. Command line syntax of ls command. ls ... … Let’s dig in. List Current Directory Contents Open...

Upgrade a Single Package on CentOS/Fedora

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Upgrade a Single package on Ubuntu
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 single package using the yum command. Upgrade a Single Package on CentOS/Fedora Usually, CentOS/Fedora or any other RHEL based distribution provides the yum update command for updating system packages. When you run the yum update, all system packages...

Upgrade a Single package on Ubuntu

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upgrade single package ubuntu
Follow through this guide to learn how to upgrade a single package on Ubuntu. Upgrade a Single package on Ubuntu Ubuntu and other Debian derivatives provides commands such as apt upgrade for upgrading the system packages. According to APT man pages, man apt; apt upgrade: is used to install available upgrades of all packages currently installed on the system from the sources configured...