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Linux Basics: How to Edit Files on The Shell with Nano

Linux Basics: How to Edit Files on The Shell with Nano

Nano is a fairly versatile and user-friendly text editor that is capable of being used in a fuss-free manner by the somewhat inexperienced users too, as against the more sophisticated text editors such like Emacs and Vim. While these are excellent programs, they do have a bit of a learning curve. It works seamlessly in combination with Sudo, much to the glee of end-users.

Linux Basics: How to Download Files on the Shell With Wget

Linux Basics: How to Download Files on the Shell With Wget

Wget is a popular and absolutely user-friendly free-utility command line tool primarily used for non-interactive downloading files from the web. wget helps users in manipulate downloading of huge chunks of data, multiple files, downloads of recursive nature, and protocol-based download (HTTP, HTTPS, and FTP). The following is the basic wget command syntax, though this tutorial covers all the possible download scenarios for the benefit of learners.

Linux Basics: How to Add and Delete Shell Users on CentOS

Linux Basics: How to Add and Delete Shell Users on CentOS

The process of adding and deleting shell users on a new server is a basic task every Linux user or system Administrator should know.

Linux Basics: How To Create and Install SSH Keys on the Shell

Linux Basics: How To Create and Install SSH Keys on the Shell

SSH keys offer a highly secure manner of logging into a server with SSH as against mere dependence on a password. While a password stands the risk of being finally cracked, SSH keys are rather impossible to decipher using brute force. As a matter of fact, generating a key pair offers users two lengthy strings of characters corresponding to a public as well as a private key. Users can, thus, place the public key on any server, and subsequently unlock the same by connecting to it with a client that already possesses the private key. Upon matching up of the two keys, the system unlocks without any irksome dependence on a password. The security may be further smartly firewalled by guarding the private key with a passphrase.

How To Install The Latest Git On Ubuntu 14.04

How To Install The Latest Git On Ubuntu 14.04

This tutorial explains the process of installing Git on Ubuntu 14.04. For the uninitiated, Git, the client for the immensely popular GitHub, is a commonly used open source distributed version control system that was originally developed by Linus Torvalds with the objective of supporting Linux Kernel development.

Simple Patch Tools

Simple Patch Tools

Creating: When all you want to do is build a patch file that contains only the changes you've made today. Installing: I typically want to take a backup of the files that are going to be overwritten so that I can quickly undo the patch if necessary.

The Bash Script To Configure The Firewall Using IPTABLES

About the Script:

This script is about to build a firewall in Linux OS by using iptables, the user only needs to follow and answer the simple and easy steps and the script will generate the user specified iptables rule in its original form.

I HAVE TESTED THE SCRIPT ON PCLINUXOS, FEDORA-9, DREAM_LINUX, UBUNTU-8.

This is my iptables Version 1.0 (USMAN AKRAM - Lucky)

Useful Commands For The Linux Command Line

Useful Commands For The Linux Command Line

This short guide shows some important commands for your daily work on the Linux command line.

How can I observe a logfile continuously?

With the command:

tail -f /path/to/logfile

you will see all lines added to the logfile. To stop this, press [CTRL] + c

How to save a command in the shell history without executing it

Enter the command line and hit the keys:

[CTRL] + [#]

This will put a # in front of the command and execute it. The shell will take it as comment.

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