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Networking Interview Questions for Fresher

This article provides most frequently asked Networking Interview Questions and Answers for fresher and experienced IT professional. ...

Top 100 Networking Interview Questions with Answers

This article includes top 100 networking interview questions with answers. These are the most frequently asked interview questions in computer netwo...

Sample Resume for Network Administrator

This article provides sample resume format for network administrator including example resume for entry level, intermediate and advance network admini...

Career Objectives for Resume Statements and Examples

According to a popular study, recruiters usually take only six seconds to decide whether to keep or reject your resume. In these six seconds, to gra...

Sample Resume Objectives Examples and Statements

Just like a well decorated product attracts customer’s attention, a well written Resume Objective grab employer’s attention. Employers use Resum...

How to configure IPv6 address in Windows

This tutorial explains how to configure IPv6 address in Windows manually and dynamically with auto configuration feature including types and address...

How to enable IPv6 Routing protocol in Cisco Router

This tutorial explains how to enable IPv6 routing dual stacking, 6to4 Tunneling, RIPng, EIGRPv6 and OSPFv3 in Cisco router including packet tracer e...

IPv6 Address Types & Format Explained with Examples

This tutorial explains IPv6 address, IPv6 address terminology, IPv6 address format, types of IPv6 address and special IPv6 address including equival...

Why Switch to IPv6 Explained with IPv6 features

This tutorial explains IPv6 address, IPv6 address terminology, IPv6 address format, types of IPv6 address, moving to IPv6 and special IPv6 address i...

IP Address Types, Classes and Definition Explained

This tutorial explains what is an IP address and why it required by each device in network including IP address classes and version. An IP is a ...

Types of Wireless Network Explained with Standards

This tutorial explains wireless network types and standards in detail including wireless access mode, security factors and basic concepts of wireles...

Download Packet Tracer For Windows and Linux

Packet Tracer is a Network Simulator Software developed by Cisco Systems for training purpose. This tutorial explains how to download, install and ...

How to Remove Syskey in Windows Explained with Examples

This tutorial explains how to enable, use and remove Syskey startup password in Windows (10, 8.1, 7 and XP) including how to deal with Syskey scam. ...

How to Setup Gmail in Outlook Step by step Explained

This tutorial explains how to configure Gmail in Outlook Express, in Outlook 2007, in Outlook 2010, in Outlook 2013 and in Outlook 2016 step by step...

How to set Immutable Sticky bit with Chattr command

This tutorial explains how to set and mange immutable or sticky bit in Linux step by step with examples including chattr command and lsattr command....

How to change Default Umask Permission in Linux

This tutorial explains umask permission in detail including how to manage it and how it is used to calculate the default permission for files and di...

How to use Chmod command in Linux Explained with Examples

This tutorial explains how to set and manage file permission and attributes with chmod command in Linux from both symbolic and octal methods. Pe...

Linux File Permission Explained in Easy Language

This tutorial explains how to read the default file permission and attributes including how to change the owner and group of file and directory. ...

Grep Command in Linux Explained with Practical Examples

This tutorial explains how to use grep command step by step with examples including how regular expressions are used with grep command for pattern s...

How to manage disk quota in Linux step by step

This tutorial explains how to configure and manage disk quota in Linux step by step with examples including basic concepts of disk quota such as har...

Vi and Vim Editor Explained with Examples

This tutorial explains vi and vim editor in easy language with examples including difference between vi and vim, advantage of vim over vi and vi ed...

How to Configure RAID in Linux Step by Step Guide

This tutorial explains basic concepts of RAID in detail with examples including how to configure and manage software RAID in Linux step by step. ...

Learn How to Configure LVM in Linux step by step

This tutorial explains basic concepts of LVM in detail with examples including how to configure and manage LVM in Linux step by step. Basic conc...

How to create swap partition in Linux

This tutorial explains how to create swap partition in Linux with examples including basic swap management tasks such as how to increase, mount or c...

Linux Disk Management with parted command

This tutorial explains how to create primary, extended, logical and GPT partitions from parted command in Linux step by step with examples. For ...

Manage Linux Disk Partition with gdisk Command

This tutorial explains how to create GPT (GUID partition table) partitions from gdisk command in Linux step by step with examples. For this tuto...

Manage Linux Disk Partition with fdisk Command

This tutorial explains how to create primary, extended and logical partitions from fdisk command in Linux step by step with examples. For this t...

Linux Disk Management Tutorial

This tutorial explains basic concepts of Linux disk management including BIOS, UEFI, MBR, GPT, SWAP, LVM, RAID, primary partition, extended partitio...

Configure PAT in Cisco Router with Examples

This tutorial explains how to configure PAT (Port Address Translation) also known NAT Overload in Cisco Router step by step with Packet Tracer examp...

How to Configure Dynamic NAT in Cisco Router

This tutorial explains how to configure dynamic NAT (Network Address Translation) in Cisco Router step by step with Packet Tracer examples. For ...

How to Configure Static NAT in Cisco Router

This tutorial explains how to configure static NAT (Network Address Translation) in Cisco Router step by step with Packet Tracer examples. In or...

Basic Concepts of NAT Explained in Easy Language

This tutorial explains basic concepts of static NAT, dynamic NAT, PAT, inside local, outside local, inside global and outside global in detail with ...

Networking Interview Questions and Answers

This article provides computer networking questions and answers based on networking cable, network topology, Ethernet architecture and IEEE standard...

Basic Networking Interview Questions with Answers

This tutorial provides basic networking interview questions with answers from following categories; basic networking, networking topology and networ...

RPM Command in Linux Explained with Examples

This tutorial explains RPM Command in Linux with examples including rpm file naming convention and how to build a basic RPM package step by step. ...

How to Configure YUM Repository in RHEL Linux

This tutorial explains how to configure Yum with local repository in RHEL/Centos Linux including some important Yum commands which are used for Lin...

Troubleshooting SELinux explained with Booleans

This tutorial explains SELinux Booleans in detail with examples including how to view SELinux logs and troubleshoot SELinux policy violation issues....

SELinux Explained with Examples in Easy Language

This tutorial explains SELinux in detail with examples including SELinux modes, SELinux file context, SELinux policy and how to run web server with ...

Firewalld Rich Rules Explained with Examples

This tutorial explains Firewalld Rich Rules in detail with examples including how rich rules are used to configure the firewall in Linux. Thi...

How to Configure Firewalld in Linux

This tutorial explains how to configure firewall in Linux step by step with examples including firewall-cmd command and its options for zones, serv...

Firewalld Basic concepts Explained with Examples

This tutorial explains basic concepts of firewalld service such as zones, services, ports and rich language including how to disable iptables servic...

How to Configure iptables Firewall in Linux

This tutorial explains how to install, enable and configure iptables firewall in RedHat/ Centos Linux 7.0 step by step with examples. To deal wi...

How to configure Telnet Sever and Client in Linux

This tutorial explains how to configure Telnet Server and client in RedHat Linux / Centos step by step with examples including installation and fire...

How to configure IP address in Linux

This tutorial explains how to configure IP address in Linux from ip addr command, nmcli command, nmtui text tool and from nm-connection editor in de...

RHCSA and RHCE Practice LAB Setup

This tutorial explains how to setup RHCSA / RHCE Practice LAB in detail including essential configurations such as hostname and IP configuration. ...

RHEL 7 LAB Setup for RHCE Practice

This article explains how to setup RHCE practice LAB in VMWare workstation and in Virtual box including physical computers step by step with screens...

Linux System Administration Commands Explained with Examples

This tutorial explains basic Linux system administration commands in details with examples. How to list currently logged in users When a user l...

Linux File System Explained with Shell and Kernel

This Tutorial explains Linux File System in detail with examples including how to view current shell, how to change shell in Linux and how to view k...

Basic Linux Commands Explained with Examples

This tutorial explains basic Linux commands in details with examples including absolute path, relative path and file navigation. Absolute path a...

Linux command syntax explained with IO redirection and Pipes

This tutorial explains Linux command syntax including I/O (Input/Output) redirection, STDIN, STDOUT, STDERR, File descriptor and piping in detail w...

RHCSA Exam Objectives and RHCE Exam Objectives

This article provides RHCSA and RHCE Exam objectives including RHCSA, RHCE exam information. RHCSA ( Red Hat Certified System Administrator ) an...

Linux Virtual Console Explained with Terminal and Shell

This tutorial explains Linux virtual console, shell command prompt, bash shell, internal commands and external commands in detail with example. ...

RHEL 7 Installation Step by Step Explained with Screenshots

This tutorial provides step by step guide on how to install RHEL 7. Each step is explained in detail with screenshot. This tutorial explains RHE...

OSI Model Advantages and Basic Purpose Explained

In this tutorial I will provide a brief introduction of OSI Layer model including its advantage and services. When we talk about OSI Layers mode...

How to configure Frame Relay Step by Step Guide

This tutorial explains How to configure Frame Relay step by step in Cisco Routers, How to configure LMI option and DLCI number in Frame Relay, How t...

Basic Concepts of Frame Relay Explained in Easy Language

This tutorial explains basic concept of Frame Relay such as VC, PVC, SVC, DTE, DCE, access link, LMI types, DLCI numbers, FECN, BECN, access rate an...

PPP Protocol and Encapsulation method Explained

This tutorial explains basic concepts of PPP, PPP encapsulation, PPP authentication PAP, PPP authentication CHAP and how to configure PPP protocol o...

HDLC Protocol and Encapsulation method Explained

This tutorial explains basic concepts of HDLC protocol, differences between ISO HDLC and Cisco HDLC, HDLC encapsulation and how to configure HDLC st...

WAN Tutorial – Basic WAN Switching Concept Explained

This tutorial explains basic concepts of WAN such WAN connection types, differences between Asynchronous and Synchronous serial connection, WAN prot...

Configure Extended Access Control List Step by Step Guide

This tutorial explains how to create Extended Access List, how to enable extended ACL in interface, how to edit extended ACL, how to delete extended...

Configure Standard Access Control List Step by Step Guide

This tutorial explains how to create standard numbered ACL, how to calculate and use wildcard mask, how to create standard named ACL, difference bet...

Extended ACL Configuration Commands Explained

This tutorial explains Extended Access List configuration commands and its parameters in detail with examples including how to enable extended ACL i...

Standard ACL Configuration Commands Explained

This tutorial explains Access-list command, IP Access-list command, how to create numbered Standard access list and how to create named standard acc...

Access Control List Explained with Examples

This tutorial explains Cisco Access Control Lists in detail with examples including ACL types, ACL direction and ACL location. Cisco Access Con...

Network Security Threat and Solutions

This tutorial explains common network security threats with their possible solutions in detail with examples. Knowing these vulnerabilities will hel...

OSPF Metric cost Calculation Formula Explained

OSPF uses SPF (Shortest Path First) algorithm to select the best route for routing table. SPF algorithm was invented in 1956 by Edsger W. Dijkstra. ...

OSPF Configuration Step by Step Guide

In this tutorial we will provide a step by step configuration guide for OSPF routing protocol. OSPF uses the concept of process ID, area number ...

OSPF Neighbor States Explained with Example

OSPF routers go through the seven states, called Down, Attempt/Init, Two ways, Exstart, Exchange, Loading and full while building adjacency with oth...

OSPF Neighborship Condition and Requirement

This tutorial explains OSPF Neighborship Requirements Area ID, Authentication, Hello and Dead intervals, Stub Flag and MTU size in detail with examp...

OSPF Fundamental Terminology Explained

This tutorial explains basic concepts of OSPF including public AS number, private AS number, backbone area, ABR, IP, Link, state, LSA and LSDB in de...

EIGRP Configuration Step by Step Guide

In this tutorial we will provide a step by step configuration guide for EIGRP routing protocol. EIGRP uses the concept of AS and Wildcard mask which...

EIGRP Metric K Values Explained with Examples

Enhanced Interior Gateway Routing Protocol uses composite metric calculation formula to select the best available route for destination. This formu...

EIGRP Neighborship Requirements and Conditions

In order to become an EIGRP neighbor, three essential configuration values must be matched; Active hello packets, AS number and K-values. In this tu...

EIGRP Tutorial – Basic concept explained

EIGRP stands for Enhanced Interior Gateway Routing Protocol. It is a Cisco-proprietary routing protocol for TCP/IP. It is based on IGRP routing prot...

RIP Protocol configuration Guide with Examples

This tutorial explains how to configure RIP routing protocol step by step in detail with example. RIP is the simplest and one of the oldest Dis...

RIP - Routing Information Protocol Explained

Tutorial explains RIP routing fundamentals with examples such as routing metric, rip timers, split horizon rules, hold down timers and difference b...

RIP Tutorial – Basic operation of RIP Protocol

This tutorial explains basic concept of RIP protocol including the process it uses to share routing information with others in detail with examples...

Static Routing Configuration Guide with Examples

This tutorial explains how to configure static route and default route including static route command and it’s parameter in detail with examples....

IP Route command Explained with Examples

This tutorial explains IP route command and its parameters in details with example. IP route command is used to configure the static route. Stat...

Basic Routing concepts and protocols Explained

This tutorial explains static and dynamic routing, Administrative distance, Autonomous System, Routing update, Routing Metric and Routing protocols ...

Configure Cisco Router Step by Step Guide

This tutorial explains how to configure Cisco router step by step. Cisco router configuration commands are explained in packet tracer. Cisco rou...

Cisco Router Show Command Explained with Examples

This tutorial explains Cisco router show commands in detail with example. Show command is the most powerful command in Cisco IOS. It lists running...

Basic of IP Routing Explained with Example

This tutorial explains basic IP routing process step by step with examples. When we talk about routing protocol, first thing that comes in our ...

VLAN Configuration Commands Step by Step Explained

This tutorial explains how to create VLAN, how to assign VLAN Membership static and dynamic, how to configure router on stick and how to configure V...

Dynamic Trunking Protocol Mode and Configuration

This tutorial explains DTP mode (ON, OFF, Auto, desirable and No –negotiate), DTP configuration in Cisco switches, VLAN tagging process, Switch p...

Configure VTP Server and Client in Switch

This tutorial explains how to configure VTP Server and Client in Cisco switches including basic concepts of VTP and VTP modes (Server, Transparent a...

VLAN Practice Lab Setup on Packet Tracer

This tutorial provides a practice LAB for VLAN, VTP, DTP, and Router on Stick in packet tracer. Same lab can be used for the practice of VTP Ser...

VLAN Basic Concepts Explained with Examples

This tutorial explains VLAN basic concepts such as what is VLAN, advantage of VLAN, VLAN membership static and dynamic, VLAN connections and trunk t...

Switchport Port Security Explained With Examples

This tutorial explains switch port security configuration commands, port security violation mode, sticky mac address configuration and how to enabl...

Basic Switch Configuration Guide with Examples

This tutorial explains Cisco switch configuration commands in detail with example in Packet Tracer. These commands are highly tested in CCNA exam an...

STP - Spanning Tree Protocol Explained With Examples

This tutorial explains Spanning Tree Protocol (STP), Broadcast storm, unstable MAC table, Layer 2 loop, STP Port Status and STP root bridge selectio...

Switching Methods and Types Explained in Computer Networks

This tutorial explains basic concepts of switching including how a switch learn MAC address, type of switching and method of switching in detail wit...

CCNA Lab Switch 2960

In this article we will explore the 2960 Switch in details including features, hardware, available versions and functionality. 2960 Series Switc...

CCNA Lab Equipment List

This article introduces you to Cisco equipment used in CCNA exam. Although CCNA exam does not test your product specific knowledge, still you need...

How to Configure SDM Security Device Manager

This tutorial provides step by step guide to install and configure SDM - Cisco Security Device Manager. Security Device Manager (SDM) is a web ...

Cisco IOS Backup and Restore Process Step By Step Guide

This tutorial explains Cisco IOS backup and restore process step by step including how to upgrade Cisco IOS and how to restore IOS from ROMMON m...

Cisco IOS Context Sensitive Help Features Explained

This tutorial explains Cisco IOS help commands in detail with examples including context sensitive help feature. Cisco IOS has several built in ...

CDP Cisco Discovery Protocol Guide with Examples

This article explains CDP (Cisco Discovery Protocol) in detail with examples.CDP ( Cisco Discovery Protocol) is a proprietary protocol designed by...

Cisco Router Booting Process Explained with Examples

In this tutorial I will explain router booting process with example. Router follows a boot sequence to bring it up. Knowing this sequence will help ...

Cisco IOS Mode Explained with Examples

This tutorial explains Cisco IOS modes in detail with examples including IOS mode navigation commands. Cisco IOS is the proprietary operating sy...

Interface Nomenclature Guide of Router and Switch

This tutorial explains the naming convention used in Cisco router and switch for interfaces in details with example. Cisco makes a l...

Cisco IOS Naming Convention Explained with Examples

Cisco IOS is a proprietary operating system developed by Cisco System for Cisco devices. It includes all necessary features required by routers and...

Cabling Cisco Devices Guide

This tutorial explains color coding standards for cross cable and straight cable including general guideline for cabling Cisco devices. Withou...

VLSM Subnetting Explained with Examples

This tutorial explains VLSM Subnetting in detail with examples in easy language. VLSM is a process of dividing an IP network into the subnets of...

Network Address Basic Concepts Explained with Examples

This tutorial explains basic concepts of network addressing including a brief overview of subnet, flat topology, IP address, Subnetting, Supe...

Subnetting Tutorial - Subnetting Explained with Examples

This tutorial explains Subnetting in easy language with examples. This tutorial is divided in three sections. First section provides a basic ove...

OSI Seven Layers Model Explained with Examples

This tutorial explains OSI Reference Model in detail with examples including its protocols and functions in easy language. Layers model is a the...

Internetworking in Computer Network

This tutorial explains internetworking in computer network with examples including networking devices and basic networking concepts such as CSMA/CD...

Troubleshooting Windows XP Workgroup Step by Step

This tutorial explains how to troubleshoot a Windows XP workgroup network step by step in detail including some most common networking issues. T...

How to Configure Proxy server in Windows XP

This tutorial explains how to configure proxy server in Windows XP step by step including how to install and use CCProxy server in Windows XP. P...

Remote Assistance in Windows XP Explained with Example

This tutorial explains how to use remote assistance in Windows XP step by step including how to create and send remote assistance invitation file. ...

Remote Desktop Connection in Windows XP Explained

This tutorial explains how to enable, configure and access remote desktop in Windows XP step by step with examples including how to create an admini...

How to Configure NetMeeting in Windows XP

This tutorial explains how to configure NetMeeting in Windows XP step by step with examples including how to access NetMeeting in workgroup network....

How to share Internet in Windows XP

This tutorial explains how to share Internet connection in Windows XP workgroup network step by step with examples using Network setup wizard. I...

How to Share a Printer in Windows XP Step by Step

This tutorial explains how to a share printer in Windows XP workgroup network step by step with examples including how to install a local and networ...

How to Share Files and Folders in Windows XP

This tutorial explains how to share files and folders in Windows XP workgroup network step by step with practical examples including how enable adva...

How to join workgroup in Windows Vista

This tutorial explains how to setup networking between Windows XP and Windows Vista and how to configure workgroup in Windows Vista step by step. ...

How to setup and join Workgroup in Windows XP

This tutorial explains how to set up and join a Workgroup Network in Windows XP step by step with practical examples using Network Setup Wizard. ...

Windows XP Workgroup Essential Settings

This tutorial explains essential Windows XP workgroup settings. These setting are compulsory before creating a new workgroup or joining an existing ...

How to share a printer in Windows 7 step by step

This tutorial explains how to share a printer in Windows 7 Homegroup network step by step with examples including how to install a local and network...

How to share Internet in Windows 7 step by step

This tutorial explains how to share Internet in Windows 7 Homegroup network step by step with examples including how to view the network map. Fo...

Learn how to create and manage Homegroup in Widows 7

This tutorial explains how to setup, join and leave Homegroup in Windows 7 step by step with examples including how to view and reset the Homegroup ...

How to Reset Windows 7 Password using Command Prompt

This tutorial explains how to reset Windows 7 administrator password step by step using command prompt without any third party CD or software. F...

How to Create, Resize and Delete Partition in Windows 7

This tutorial explains how to create, format, resize and remove partitions in Windows 7 including how to change drive letter step by step with examp...

How to Recover DATA from Pen Drive Step by Step

This tutorial explains how to recover lost data from pen drive, usb drive, flash drive and memory card step by step with examples. USB flash dr...

Interview Questions For Linux Technician

This article provides the most frequently asked questions in Linux technician job interview with answers. ...

Linux Interview Questions For Experienced

This article provides a set of Linux interview questions with answer for experienced Linux users who are looking for an intermediate level job Linux...

Linux Interview Questions with Answers

This tutorial provides a collection of Linux interview questions with answers for Linux administrator or Linux support engineer. ...

Basic Linux Interview Questions for Freshers

This article provides Linux Interview Questions with Answers for fresher or for whom who are looking for an entry level job in Linux. ...

Linux System Administrator Interview Questions with Answers

This article provides a list of Interview Questions with Answers for Linux System Administrator or Linux Desktop Support Engineer job. ...

RHCE Interview Questions with Answers

This article provides RHCE Certification based Linux interview questions and answers for fresher as well as experienced user. ...

How to Configure Apache Web Server in Redhat Linux

This tutorial explains how to configure Apache Web Server in Redhat Linux step by step including how to configure virtual host, private directories,...

How to Configure NFS Server in Redhat Linux

This tutorial explains how to configure NFS (Network File System) Server in Redhat Linux step by step including how to configure IPTABLES rules and ...

How to Configure Samba Server in Redhat Linux

This tutorial explains how to configure Samba Server in Redhat Linux step by step including how to configure IPTABLES rules and SELinux Booleans to ...

How to configure FTP Server in Redhat Linux

This tutorial explains how to configure FTP (File Transfer Protocol) Server in Redhat Linux step by step including how to configure IPTABLES rules a...

How to configure SSH Server in Redhat Linux

This tutorial explains how to configure SSH Server in Redhat Linux step by step including how to configure Key-based SSH authentication with public ...

How to Enable and Configure Telnet in RedHat Linux

This tutorial explains how to enable and configure Telnet server and client in Redhat Linux and Telnet client in Windows including basic testing and...

Network Configuration Files in Linux Explained

Linux manages services through the configuration files. This tutorial explains configuration files which are used to manage network in detail. ...

How to assign IP address in Linux

This tutorial explains how to configure IP address in Linux step by step with examples. This tutorial is prepared for Centos / RHEL 6 or lower v...

Basic Linux Commands for Network Testing

This tutorial explains basic Linux commands used in network testing such as fconfig, ifup, ifdown, ping, arp, netsat, route, dhclient, system-config...

How to Get Help in Linux at Command Prompt

This tutorial explains how to get help in Linux at command prompt including available help options with command. You can use command help option...

Tar command and Syntax Explained with Examples

This tutorial explains tar command and syntax in detail with examples including how to create, compress and extract tar file. What is tar tar i...

Linux alias List, Set, Create & Remove with alias Command

This tutorial explains linux alias command with syntax and options in details including how to list, set, create and remove alias in Linux temporary...

Linux Environment Variables List, Set, Create & Remove

This tutorial explains how to list, set, create and remove Linux environment variables temporary and permanently in detail with examples. What i...

How to install Flash player in Ubuntu Linux

This tutorial explains how to install adobe flasher in Ubuntu Linux from Software center and command line step by step. Flash player is the mu...

Set Komodo as default Editor for php & FileZilla in Ubuntu

This tutorial explains how to set Komodo as default editor software for php files and FileZilla FTP client program in Ubuntu Linux. To set komod...

How to install Komodo Editor in Ubuntu Linux

This tutorial explains how to install Komodo editor in Ubuntu Linux step by step. Komodo is the popular editor software for programming files such a...

How to install Gnome Classic Desktop in Ubuntu Linux

This tutorial explains how to install and enable Gnome classic desktop in Ubuntu Software center and command line step by step. In this article...

How to install FileZilla client in Ubuntu Linux

This tutorial explains how to install FileZilla FTP client program in Ubuntu Linux step by step from Ubunut Software center and command line step by...

How to install and run Chrome under root account in Ubuntu

This tutorial explains how to install Chrome web browser in Ubuntu Linux from Ubuntu Software Center and command prompt including how to run chrome ...

How to Enable sound service for root user in Ubuntu Linux

This tutorial explains how to enable sound service for root user in Ubuntu Linux. By default sound service is not enabled for root user in Ubuntu Li...

How to install and use 7Zip in Ubuntu Linux

This tutorial explains how to install 7Zip in Ubuntu including how to compress and decompress files and folder with 7Zip in Ubuntu. 7zip can com...

How to Fix Permission of htdocs Folder in Ubuntu Linux

By default htdocs folder is not writable in Ubuntu. This tutorial explains how to make it writable for regular user by fixing permission of htdocs f...

How to start XAMPP Automatically in Ubuntu Linux

By default we have to start XAMPP manually each time. This tutorial explains how to create and use a script to start XAMPP automatically. We nee...

How to install XAMPP in Ubuntu Linux

This tutorial explains how to install XAMPP in Ubuntu Linux step by step with screenshots. XAMPP allows us to run a local web server for development...

How to update Firefox in Ubuntu Linux

This tutorial explains how to update Firefox in Ubuntu Linux step by step from Ubuntu Software Center and from command line. Firefox shipped wi...

How to install Skype in Ubuntu Linux

This tutorial explains how to install Skype in Ubuntu Linux from Ubuntu Software Center and from command line including how to solve Unmet dependenc...

How to install VLC Player in Ubuntu Linux

This tutorial explains how to install VLC player in Ubuntu Linux step by step from Ubuntu Software Center and from command line. VLC is a open ...

How to update Ubuntu Linux after Installation

This tutorial explains how to update Ubuntu Linux after installation from repositories with Ubuntu Software Center and apt-get command. Open so...

How to Enable root user account in Ubuntu Linux

This tutorial explains how to enable root user account in Ubuntu Linux. All necessary commands are explained step by step with screenshots. root...

How to install Ubuntu Linux in Virtual Box

This tutorial explains how to install Ubuntu Linux in Virtual Box step by step. Virtual box allows us to use Ubuntu from Windows system. For thi...

How to install Ubuntu Linux Step by Step Explained

This tutorial explains how to install Ubuntu Linux from first screen step by step. All installation steps are explained with screenshot. Boot sy...

How to install Ubuntu Linux from USB Pen Drive

This tutorial explains how to create an Ubuntu bootable USB drive and use it to install Ubuntu Linux from pen drive step by step. Ubuntu is a m...

Initial configuration after Server 2008 Installation

This tutorial explains how to set initial configuration such as computer name, time zone and IP address just after the installation of Server 2008. ...

Server 2008 Editions Explained with Improved Features

This article explains Windows server 2008 editions in detail with differences between editions and improved features in Windows 2008. Windows Se...

How to Install Windows Sever 2008 Step by Step

This tutorial explains how to install Windows Server 2008 step by step. Each installation step is explained in detail with screenshots. Window s...

ADS (Active Directory Serveries) Terminology Explained

This article explains ADS (Active Directory Serveries) Terminology such as Objects, Organizational Units, Delegation, Sites, Domain Controllers, Dom...

How to configure, verify and remove ADS Step by Step

This tutorial explains how to configure, verify and remove ADS (Active Directory Services) in Windows Server 2003 step by step. In this article ...

How to Join or Disjoin a Domain Network

This tutorial explains how to join a domain network step by step including how to leave a domain network whenever it is required. Pre-quest of c...

How to add clients in Domain Network Explained

This tutorial explains how to create a domain administrator account and use it to add client computers in domain network step by step with examples....

Microsoft Management Console Explained with Modes & Features

This tutorial explains MMC Microsoft Management Console features such as User Modes, Author Mode, Extension Snap-Ins and Stand-Alone Snap-Ins in det...

How to configure Roaming and Mandatory Profile

This tutorial explains how to configure Local, Roaming and Mandatory user profiles in Windows Server step by step with examples. Profile is the ...

How to Configure DNS Server in Server 2003

This tutorial explains how to install and configure DNS Server in Windows Server 2003 step by step including difference between NetBIOS and DNS. ...

How to install DHCP Server in Windows Server 2003

This tutorial explains how to install DHCP Server in Windows Server 2003 step by step with example. Each step explained with screenshots. How to...

How to Configure DHCP Server in Server 2003

This tutorial explains how to configure DHCP Server, how to create and activate a DHCP scope and how to authorize a DHCP server in Windows Server 20...

DHCP Client Reservation and Configuration Explained

This tutorial explains how to configure DHCP client and how to configure DHCP client reservation to allot same IP address each time to a particular ...

Examples of the Technical Skills for Network Administrator

The IT Skills or Technical Skills section is something that you may not see in non-IT resumes, but it is almost absolutely necessary in the technica...

Networking Interview Questions for Experienced

This article provides networking interview questions with answers for experienced network professional such as desktop support engineer or system ad...

IPv6 Command line Testing & Troubleshooting in Windows

This tutorial explains how to test and troubleshoot IPv6 in Windows with Ipconfig, Route, Ping, Tracert, Pathping and Netstat command at command pro...

ICMPv6 Types and Messages Explained

This tutorial explains ICMPv6 types and messages such as Destination unreachable, packet too big, time exceeded, parameter problem, echo request and...

IPv6 Neighbor Discovery Protocol Explained

This tutorial explains IPv6 neighbor discovery protocol in detail including neighbor discovery process and router solicitation, router advertisement...

How to configure wireless network in packet tracer

This tutorial explains how to configure wireless network in packet tracer step by step including how to enable static routing in Linksys router. ...

How to Reset root Password in Linux

This tutorial explains how to reset root password in Linux without any third party CD or software with single user mode including how to secure GRUB...

How to Disable Local Login in Linux

This tutorial explains how to secure terminal access in Linux by disabling local login for unauthorized users. Create a normal user in case yo...

How to Configure LUKS File Encryption in Linux

This tutorial explains how to setup LUKS (Linux Unified Key Setup) File encryption in RHEL Linux step by step with examples. In linux world secu...

File Management Commands in Linux Explained

This tutorial explains basic Linux commands used for file system management such as checking free space and checking file type and size in detail wi...

Linux Run levels Explained with Examples

This tutorial explains Linux run levels 0-6 in detail with examples including how to change, list and switch between run levels. In practical e...

Linux Network Installation Step by Step Explained

This tutorial explains how to install Linux from network using FTP Server, NFS Server and Apache Web Server step by step in detail. Install the ...

How to Configure Sendmail Server in Linux

This tutorial explains how to configure Sendmail Server in Redhat Linux step by step with examples. Sendmail server is used to send and receive emai...

How to Configure Squid Server in Linux

This tutorial explains how to configure Squid Server in Redhat Linux step by step with examples. Squid server is used as proxy server in Linux. ...

How to configure DNS Server in Linux

This tutorial explains how to configure Squid Server in Redhat Linux step by step with examples. DNS server binds and resolves IP address with name ...

How to Configure Printer Server in Linux

This tutorial explains how to configure Printer Server in Redhat Linux step by step with examples. Printer server is used to manage all printers and...

How to Configure VNC Server in Linux

This tutorial explains how to configure VNC Server in Redhat Linux step by step with examples. VNC server is used to share and access desktop in Lin...

How to Configure DHCP Server in Linux

This tutorial explains how to configure DHCP Server in Redhat Linux step by step with examples. DHCP server is used to assign IP address dynamically...

How to configure NIS Server in Linux

This tutorial explains how to configure NIS Server in Redhat Linux step by step with examples. NIS server is used to centralize authentication proce...

How to Configure Syslog Server in Linux

This tutorial explains how to configure Syslog Server in Redhat Linux step by step with examples. Syslog server is used to manage the log files in L...

Configure Linux to deny ICMP Ping Request

This tutorial explains how to configure and use Linux system as a router with IP forwarding. Linux IP forwarding features simulate IP routing. ...

How to Configure and use Linux as a Router

This tutorial explains how to configure and use Linux system as a router with IP forwarding. IP forwarding features simulate IP routing in Linux sys...

Task Scheduling in Linux with cron and at command

This tutorial explains how to schedule task with cron command and at command in Linux. Both commands run scheduled task on scheduled time automatica...

How to Reset GRUB Password in Linux

This tutorial explains how to reset GRUB boot loader password in Redhat Linux including how to solve kernel panic error step by step with examples. ...

Linux user Profile Management and Environment Variable

This tutorial explains Linux user profile management (such as set, remove, update and copy) with environment variable in detail with examples. ...

Linux User Management Explained with Examples

This tutorial explains linux user management in command line with examples including how to add and remove users and groups. Linux files respons...

How to make windows XP live cd step by step guide

This tutorial explains how to make Windows XP live bootable CD step by step. Windows XP live CD allows us to access system without installing Window...

How to install XP from Pen Drive

This tutorial explains how to make Windows XP bootable USB drive including how to install XP from Pen Drive step by step. Requirement Windows...

How to make XP unattended installation CD

This tutorial explains how to create an answer file and use it perform Windows XP unattended installation step by step. During a standard instal...