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Configuration and Authentication using OpenSSH key

Secure Shell (SSH) is a cryptographic network for operating network services securely over an unsecured network. A common example is for remote login into a system by an user.  Installation :  Generally it comes already ...

Linux: File Ownership and Permissions

File Ownership and Permissions It is important in multi-user system to ensure that files of one user cannot be accessed by another user, until and unless user is permitted to access the files. The user who creates the file, is by default the o...

Linux Directory Structure

Linux Directory Structure Hello friends welcome to findnerd. Today I will let you know the directory structure of linux. Every Operating System has its directory structure in which system files are stored. The following directories are commonl...

Install Skype Call Recorder on Ubuntu 14.04

How to Install Skype Call Recorder on Ubuntu 14.04? Record skype call records automatically, whenever someones call you then you can now record conversations instantly. This is the excellent feature provided by skype. Skype call records are ge...

Managing User Accounts in Linux

Managing User Accounts in Linux Hello friends today I will let you know how to manage user accounts in Linux. You must have created at least one account apart from root in Linux if you are using it. If there are many users who are using your s...

Enter Single User Mode in Linux

How to Enter Single User Mode in Linux In single user mode only the system administrator can log in the account. Some of the administrative operations can only be done in single user mode. For example: i) Unmounting a user partition. ii)...

Wine in Linux

Wine in Linux No we're not talking about the drink! Wine is an application that creates a Windows-like environment for Windows-based software to run on. WineHQ the markers of Wine, claim that their software can make several Windows applica...

df, du and tree in Linux

df, du and tree in Linux   The 'df' command is the simplest tool to view disk usage. Using it without any switches will display the result in block of usage which is not understandable especially for home users. Use the '-h...

What is Linux Loader?

LILO: Linux Loader is the traditional boot loader and it is perhaps still used in servers that run Linux as their Operating system. Grub or the GRand Unified Boot Loader replaced it as the 'cool' and secure alternative.   LILO ...

Install BaasBox on Ubuntu 14.04

Install BaasBox on Ubuntu 14.04 Baasbox is server side application that is used for database server. Mobile and backend developers can use this application to store data in database and can create backups. In order to install stable version of...

Error: E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?

Sometimes while using apt-get command to install some packages, we come across an error like: E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable) E: Unable to lock the administration directory (/var/lib/dp...

Understanding Hard Links vs Soft Links

In Linux or Unix based OS create file into two parts :: 1. Data part : it contains the information regarding the iNode number of the file along with the variuos permission on that file. 2. Filename part : contains the name of file and inode...

Advantages of Linux over other Operating systems:

Linux OS  developed by Linus Torvalds in '91 is based on Unix OS . It's core functionalities have been greatly inspired and adopted from Unix but unlike Unix , Linux can also run on small devices with low hardware capacities, Linux i...

Compressing Files And Archiving in Linux Terminal

Compressing Files And Archiving in Linux Terminal There are strong compression utilities in Linux that can be run easily from the command line. Linux features are archiving utility called tar, in which you can add many files, and the tar file ...

Ubuntu: Changing Permissions At Command Prompt

Changing Permissions At Command Prompt   This is accomplished by using the "chmod" command. The chmod is followed by a 3 digit number used to indicate the permissions required. The first 3 digit indicated the owner's perm...

How to create file using cat in Ubuntu?

Hello friends, I am writing this blog which will let you know how to create a file using cat command. Using cat to create a file cat is useful for creating a file. Enter the command cat, followed by the > (the right chevron) character an...

Install MPEG-4 AAC decoder in Ubuntu

Hello friends, I was facing issues while running mp4 videos or songs. It was asking me to install mpeg-4 aac decoder. When I run any mp4 player then I got the following error:     So, to resolve it. Today I am going to tell...

How to set automatic email reminder using Cron Job?

Hello friends, today I am going to tell you how to set an email reminder or email notification. This can be done via Cron Jobs. Cron Jobs is helpful for reminder purposes or if you don't want to send same email every week or every single day ...

Install Wordpress on Ubuntu 16.04

Hello friends, I am writing this blog which will let you know how to install and set up WordPress on Ubuntu. Follow the steps below to install WordPress   Step 1: Create MySQL database Login to MySQL using this command: mysql -...

Secure Apache with Let's Encrypt on Ubuntu

Hello friends, I am writing this blog which will let you know how to secure apache with let's Encrypt on an Ubuntu . Lets begin with the following steps: Step 1: Install server dependencies Update local packages first: sudo apt-get...

Convert xps to pdf in Ubuntu 14.04

Hello friends, I am writing this blog as I was facing issue reading .xps files. XPS is XML Paper Specification. I resolved this issue by installing xpstopdf converter. This is how I did This is the easiest way to do: First, go to Ubuntu Sof...

How to install MySQL workbench ubuntu 14.04?

Install MySQL workbench ubuntu 14.04 Hello friends, today I am going to tell you how to install MySQL workbench on Ubuntu 14.04 LTS. Follow the steps below: Go to  http://dev.mysql.com/downloads/workbench/     &n...

Missing date & time from top panel of Ubuntu 14.04

Hello friends, when I started my ubuntu system, then it was not showing time on the top panel of Ubuntu screen. So I was worried, how to resolve this issue. I researched on google, and ubuntu website then I found what exactly the issue was that L...

How to sync google drive in ubuntu?

Sync google drive in Ubuntu In order to sync google drive in Ubuntu you need to have authentication with Google Drive. Type the following command sudo grive -a Now go the folder that contains files you want to sync with Google Drive an...

How to install Google Drive on Ubuntu 14.04 ?

Install Google Drive Grive2 on Ubuntu: Grive2 is client of Google Drive. Use the following commands to install Grive2 in Ubuntu/Linux and derivatives by using the main WebUpd8 PPA: sudo add-apt-repository ppa:nilarimogard/webupd8 ...

Installing BracketHighlighter in sublime text

BracketHighlighter is a very usefull utility when you are using sublime-text as the editor while writing code in your respective language. Many of us use sublime-text as the editor because it is light-weighted & because of its simplicity. ...

How to upgrade to Ubuntu 16.04 LTS ?

This blog will let you upgrade your system to Ubuntu 16.04. Follow the steps given below in order to upgrade your system: Step 1: Backup your system Before attempting any upgrade to your system, firstly backup your system   Step ...

How to download the database dump from your live/test server

Sometimes our requirement is to export/download the latest database from live/test server. We can easily create the dump on our server and then copy paste it from server to your local machine using Win-Scp.   But the issue comes when the...

How to symlink a file in Ubuntu ?

First of all let us know what is symlink. Symlink creates a symbolic link to the existing target with the specified name link. In PHP we passed Parameters in the following way: target: Target of the link link: The link name. I want to...

How to find Redis Logs on Ubuntu?

This blog will let you know how to do troubleshooting in Redis. Redis logs are stored at location /var/log/redis/redis-server.log To view the last 10 lines:  sudo tail /var/log/redis/redis-server.log On Ubuntu 14.04 Redis log f...

How to install SSH server on Ubuntu 14.04?

Install SSH Server on Ubuntu 14.04 In order to install SSH server on Ubuntu, you need to install OpenSSH server package. Use the following command to setup SSH server: sudo apt-get install openssh-server Configure SSH Server After i...

How to set up SSH with Public Key authentication on Ubuntu?

How to Setup SSH with Public Key Authentication on Ubuntu 14.04 This blog will let you know how to set up an SSH server with public-key authorization  SSH is a great tool to control Linux-based computers remotely. Installing SSH On The...

How to create sudo user on CentOS ?

This blog will let you know how to create sudo users on CentOS. Steps to create new sudo user Step One: Login to your server as root user $ ssh root@server_ip_address Step Two: Use the adduser command to add new user to your system ...

How to Install Grails on Ubuntu?

About Grails: Grails is open source web framework based on Groovy programming language which runs on Java platform.   Steps to install Grail:   Step One: Install JDK   sudo apt-get install openjdk-6-jdk &n...

How to upgrade ubuntu 14.04 to 14.10 ?

This blog will let you know how to upgrade Ubuntu 14.04 to 14.10 through GUI. Firstly we would need to upgrade some packages command line: $ sudo apt-get update $ sudo apt-get dist-upgrade Now on the search bar of Ubuntu type   ...

How to set up WHM and cPanel on Amazon Intances?

WHM is used for linux web hosting environment. Step 1: Setup Virtual Private Cloud (VPC) Select Services >> Networking >> VPC (VPC Dashboard) Now click on Start VPC Wizard button. Select VPC with a Single Public Subnet ...

How to set up Cron Job on Amazon EC2 Cloud Servers

I am writing this blog because I faced issue for adding cron jobs in Amazon Ec2 cloud server. I was using Linux 64bit . To add cron jobs open command prompt (via putty if windows) and login via ssh, when you are login then type: which php...

Cronjob: How to set up cron in Ubuntu ?

How to add Cron Jobs in Ubuntu? I was facing issue for adding cron jobs in dedicated hosting (in Ubuntu). In order to add cron jobs in Ubuntu go to the terminal and type: $ sudo crontab -e this will open your personal crontab (cron con...

Nginx: How to install Nginx server on Ubuntu 14.04

Why to use Nginx? Nginx is the most popular web servers in the world. It is used for hosting websites and it holds highest traffic sites on internet. It is more resource friendly than Apache. Step 1: Installing Nginx Firstly update the p...

Mcrypt extension is missing in phpmyadmin Ubuntu 14.04

How to resolve Mcrypt extension is missing in Ubuntu 14.04 ? When I was login to phpmyadmin, then I saw the message "mcrypt extension missing" Try following command: $ sudo updatedb $ locate mcrypt.ini It will show you l...

Phpmyadmin: How to install PhpMyAdmin in Ubuntu 14.04

This blog will help you to understand how to install securely phpMyAdmin to manage your databases on Ubuntu 14.04 How to install phpMyAdmin: Step 1: First you need to update the package index on your server with this command:   ...

How to install MySQL on Ubuntu 14.04

How to Install MySQL on Ubuntu: Step 1 - Installing MySQL To install MySQL you need to update the package index on your server and then install the package with apt-get. Write the following commands to install MySQL $ sudo apt-get u...

CURL: How to install curl on ubuntu 14.04

I was facing issue to run the following lines of code on php: $url = "http://example.com/"; $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, $url); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_PROXYPORT, 3128); ...

Ubuntu 14.04: How to install LAMP with one command?

LAMP full form is  Linux Apache Mysql PHP. To install LAMP with one command on Ubuntu 14.04 just write the following command: First refresh your package index... $ sudo apt-get update   Now install the LAMP stack:  ...

Basic Linux Commands

  Hello Readers..here are some basic commands that we use in Linux  1. File Handling :     mkdir- make directories      Usage: mkdir[OPTION]DIRECTORY...      Example: mkdir rahul &...

Making bootable ubuntu pendrive from windows

As you all know, we can boot any OS from a usb-stick also. So today i am going to tell you how to create a bootable ubuntu pen-drive from windows. There are many utilities available for it. And we can create it using command line as well. Her...

Installing JAVA (open-jdk) in LINUX using TERMINAL simple steps.

The simplest and the easyest way to install anything on Linux is throught Terminal 1. Open terminal using ALT+CTRL+T 2. Type command shown below: sudo apt-get install openjdk-7-jdk Note: in : openjdk-7-jdk, 7 is for demonstration, you can c...

Create a zip with excluding folders using command

Sometime we need to create zip of the folder which contains several subfolders, but all folders are not necessary to include in zip. For such cases we will run following command - zip -r archiveName.zip folderName -x folderName/subfolder/**\*...

Searching the files and directories on Ubuntu

Searching files in Ubuntu : Ubuntu is free open source operating system. Ubuntu has both the Graphical User Inerface (GUI) and the command line interface (CLI). In this article we are going to tell you how you can search for files and directories...

Installing mongodb on ubuntu

Install mongodb on ubuntu Hi friends, Today I am going to give you a step-by-step guide of how to install mongodb on ubuntu server. The steps are: First we need to import the mongodb public GPG key to verify the authenticity of di...
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