14 Simple df (Disk Free) Command Examples For Linux

df Command Examples In Linux

The ‘df’ command is used to quickly print an overview of the disk space in use on different partitions and file systems.

df comes from the GNU Coreutils package and should be available by default in Unix/Linux based operating systems.

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How To Convert A VHD File To VMDK

Convert VHD To VMDK

Here we’re going to show you how to convert a VHD file to a VMDK file using VBoxManage, which is part of VirtualBox and is freely available.

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23 tar Command Examples For Linux

Tar Archive Command Examples For Linux

The GNU tape archive command, known as ‘tar’, is used to store many different files together into a single archive file. This makes it easy to perform backups and restores of files and directories in Unix/Linux based operating systems.

The practical examples in this guide will show you how to use the tar command in all sorts of different situations.

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16 Simple cat Command Examples For Linux

Cat Command Examples For Linux

The ‘cat’ command is used to read and concatenate files, printing them out to standard output.

Cat comes from the GNU Coreutils package and should be available by default in Unix/Linux based operating systems.

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21 Simple ls Command Examples For Linux

ls Command Examples For Linux

The ‘ls’ command is a standard GNU command used in Unix/Linux based operating systems to list directory contents and display information about the sub directories and files within.

The practical examples in this guide will show you how to use the ls command in all sorts of different situations.

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20 wget Command Examples For Linux

Wget Command Line Examples For Linux

Wget is a non-interactive network downloader which can be used for downloading files in Unix/Linux. It supports the HTTP, HTTPS and FTP protocols and also has proxy support.

The wget command is quite powerful and has a lot of options available, in this guide we’ll be covering 20 of the most important wget examples that will help you learn how to best use it.

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Managing Swap Space In Linux

Managing Swap Space In Linux

Swap space is an area of disk that is used to store memory to. Here we’ll take a look at managing swap space in Linux by determining what is actually using the swap space, controlling how frequently swap space is written to, and finally adding additional swap space if required.

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How To Secure Invision Power Board (IPB)

How To Secure Invision Power Board

This guide will show you how to increase the security of an Invision Power Board (IPB) installation. We’ll walk through practical examples for you to follow to harden IPB, reducing your attack surface.

There are a lot of insecure default options which unless modified will put you at a higher risk of being compromised by an attacker. Here we will outline what should be modified to increase security of IPB.

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25 Useful yum Command Examples For Package Management In Linux

How To Use Yum - Command Examples

Yellowdog Updater Modifier (yum) is an RPM based package manager which is used to install and update packages in various Linux distributions including CentOS, RHEL and Fedora.

Yum is quite powerful as it’s capable of automatically resolving dependency issues, and is similar to other package managers such as ‘apt-get’ in Debian based distributions.

These examples should serve as a useful introduction, guide or cheat sheet style resource for how to use the yum command in Linux.

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17 Bash History Command Examples In Linux

Bash History Command Examples In Linux

The ‘history’ command available in Bash can be used to simply display your shell history, however there’s also a whole lot more that you can do with it, which we’ll demonstrate here.

Bash history allows us to quickly see what has been executed previously on a system, allowing you to hold users at least somewhat accountable for their actions (more on this later). It’s also useful if you’ve run something before and forgot the command, I can’t begin to tell you the number of times that I’ve done this!

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