Archive for January, 2017

If you are a Linux User and you are using Linux for storing data and doing multiples tasks then you must need to manage your hard drive in linux.sometimes you need to create new partition,sometimes you need to delete some of your partitions as per your requirement.And if you don’t have idea about how to create and delete partition in Linux then it will become very hectic task for you to manage your data in Linux and sometimes it may result in Data Loss.even many people used Linux and windows together in Dual Boot(mean Windows and Linux Together in a Hard Disk).In such case even a little mistake done at Linux Side can Destroy  your all Windows data because all data resides on same Hard Disk.

ethical Hacking

So for everyone who wants to keep Linux in His/Her laptop or Computer this article is for in this article i am going to show you how to Create and Delete partitions in Linux very easily in just few simple steps.


Whenever we Download or Upload a Files from any machine the FTP Protocols comes in to service.FTP stand for File Transfer Protocol.It’s names say everything about self. Whether you Download a File From Server or Upload a File up on server FTP comes in use.

DOWNLOADING: When data get transferred from Server to Client the process is known as Downloading.


UPLOADING: When data transferred from client to Server the Process is known as Uploading.

So whether you transfer file from server to client or client to server ,in both case the data get transferred and whenever or wherever the data get transferred from one place to another the FTP protocol comes in to use.

So today in This tutorial we will learn how to Configure this FTP service on Redhat enterprise Linux and also learn how to use it.I use very simple and short steps to mention the configuration of FTP Server configuration and FTP Client Configuration along with its command and usage.

If you are interested in Linux You can Also Learn:

DHCP Server configuration in Linux

DNS server configuration in Linux

Apache Web server configuration in Linux

Apache web server security in Linux


I have already written two articles on User and Group management in in this article mostly i focused on how to create and delete multiple users or multiple groups in linux at a time.And we will also learn How to create a series of Linux Users in a sequence like from U1 to U100 at a time and delete them.

User and Group Management For Linux User Part-1
User and Group Management For Linux User Part-2
How to Lock and unlock Users in Linux in Detail.

And Now this is part-3 of User and Group Management Tutorial in Linux.


I have already written an article on how to create users and group in Linux and how to manage it along with few script to add users and Groups in Linux.This tutorial is enhanced form of my previous article User and Group Management Tutorial for linux User Part-1.

How to Lock and Unlock Users in Linux.

In this article we will learn some typical and conceptual thing about customizing and managing  Users and Groups in Linux Machines like changing Users home Directory,Creating Users in Linux with Custom Home Directory,Adding a user even without any Home Directory,Creating Users with custom User ID,Creating Users with Custom Group ID,Adding a User to Multiple Groups,Creating a User with Account Expiry date,Creating a User with Custom Comments and Many more.


Here in this lab we will see how to easily configure your cisco router to work as multiple DHCP SERVER.To perform this lab i have here used Cisco Packet Tracer Software and using packet Tracer lab i will show you an example to configure multiple DHCP Server on single Router. Here in this Lab Router0 will work as multiple DHCP Server. So now it’s time to perform the lab step wise in few simple steps. (more…)

In this tutorial we are going to build our own customize kernel for our RedHat Enterprise Linux.Before we go further i love to remind you that we will do all these process as root user and all the commands will be performed inside your linux kernel Directory which is located inside /usr/src folder. (more…)

In this tutorial we will learn about user and group management in linux.We will learn how to add and delete user and groups in linux.We will also learn how add multiple users and groups through simple script or program.Our this article contains linux user database and password related information.We will also see how to display or check password status of any linux user and how to set password expiry date for any linux user.Not only this we will also learn how to set account expiry date and set user to be inactive after certain number of inactive days.

There are many more in this article and to gain all you have to go through this article.

You can also read:

User and Group Management in Linux Part-2

User and Group Management in Linux Part-3

How to Lock and Unlock Users in Linux.


In this tutorial we will learn how to configure advance permissions using ACL(Access Control List).

In this article we will learn following:

1.How to check the ACL on files or folders using getfacl command.
2.How to identify files/directories that have ACL.
3.How to set ACL on specif files or Folders.
4.How to create the same ACL on all newly created files automatically.
5.How to remove particular ACL entry.
6.How to remove all ACL entries from a file or folder.

Before starting this lab  we will create some users some groups and some files and folders in linux to test acl command and show it with examples.


In this tutorial we will learn how to create our own antivirus program to detect an delete any virus we fed up in our Antivirus Database.As we all know Antivirus are actually programs which have potential to detect wide range of dangerous programs also know as virus.Remember this is an example lab showing basics of antivirus program and which makes you able to learn how to code antivirus to detect a specific virus.So before you develop or design a antivirus program you must have database of viruses.The more databases you have the more powerful your antivirus will be.


Here in this tutorial we will manually create a virus and them put them inside a folder or drive and then we write an anitivirus program to detect that virus and delete them.

antivirus coding