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Articles by karthikeya Boyini
Page 111 of 143
How to Setup Virtual Hosts with Apache Web Server on Linux
In this article, you will learn about how to set up Apache virtual hosts on an Ubuntu Linux. During this process, you will learn how to serve different sites to different users depending on the domain/site they are requesting.Apache Web ServerThe Apache web server is the most popular and powerful way of serving web sites on the internet. It is used for more than half of all the active websites on the internet and is extremely powerful and flexible.Apache gives its functionality and the components to individual units which can be customized and configured independently. The basic unit that describes ...
Read MoreHow to Setup SSL for MySQL Server and Client on Linux
In this tutorial, I will be explaining about – how to set up a secure connection to MySQL server using an SSH connection for encryption so that data in the database will be in safe and which is impossible for hackers to steal the data. SSL is used to verify the means of SSL certificates which can protect against phishing attacks. This will also show you – how to enable SSL on MySQL server also.Enabling SSL SupportConnect to the MySQL server and check that SSL status of the MySQL server# mysql -u root -p mysql> show variables like '%ssl%'; Output: ...
Read MoreHow To Setup SSH Access Without Password
In this article, we will allow you to configure a password-less login for Linux system with SSH keys to connect to a remote Linux server without entering a password which will also increase the trust between two Linux servers for easy file transfer.SSH is an open source and trusted network protocol that is used to login into remote servers for executing of commands and programs. This is also used to transfer files from one computer to another computer over the network using secure copy (SCP).Creating SSH Keys# ssh-keygen -t rsa Generating public/private rsa key pair. Enter file in which to ...
Read MoreHow to Setup Own Fileserver using Pydio on Ubuntu
In this article we will learn, how to host a file sharing server using Pydio which can run well without a powerful hardware. We will install community edition but if we go for enterprise license, it is free for teams smaller than 10 persons.Pydio is a utility which looks like Dropbox and allows files sharing. Pydio has a good feature as other file syncing services, a web interface, native client for Mac, Windows and Linux, Mobile client for IOS and Andriod. It has an ability to share files with other Pydio user who are in the public.PrerequisitesUser with no root ...
Read MoreHow To Setup and Configure Ruby on Rails with 'rbenv' on Ubuntu 16.04
In this article, we will learn how to setup and configure Ruby on Rails which is the most popular stack application used by the developers which is used to create sites and web applications. The Ruby is a programming language where the programer’s use with the combination of Rails development framework to make the application development fast and simple.‘rbenv’ is the command-line tools used to install the Ruby and Rails which also provides a good environment for application development using Ruby on Rails. ‘rbenv’ provides the application specific versions of Ruby.PrerequisitesWe needed an Ubuntu 16.04 installed machine with a non-root ...
Read MoreHow to Setup and Configure Postfix on Ubuntu 16.04
In this article we will learn about how to set up Postfix on Ubuntu 16.04, Postfix is a very popular open-source MTA (Mail Transfer Agent) which can be used to relay the emails on Ubuntu Linux systems, most of the public mail servers over the real world use the postfix only.PrerequisitesTo complete this demo we needed the followingA machine with Ubuntu 16.04 installed and a non-root user with sudo permissions on the machine.A (FQDN) fully Qualified Domain Name points to the machine.We assume the Domain FQDN mail.mydomain.comInstalling the PostfixAs Postfix is available with Ubuntu default repository we can directly go ...
Read MoreHow to Set-Up Shiny Server on Ubuntu
Shiny is an R package that allows Linux users to convert R code into an interactive webpage and documents online. You can take your shiny apps and share them in your organisation or the world. This article explains about how to set up shiny server on Ubuntu.Installing Shiny Server on UbuntuBefore installing Shiny server, we need to install the shiny R package. To install R packages, use the following command –$ sudo apt-get install r-baseThe sample output should be like this -Reading package lists... Done Building dependency tree Reading state information... Done The following packages were automatically installed and are ...
Read MoreHow To Set-Up Apache to use Password Authentication on Ubuntu 16.04
In this article, we will learn about how to setup and configure the Apache Web server to restrict from visitors without authentication where we can hide some important and critical information to the un-authenticated users.PrerequisitesWe needed an Ubuntu machine with a non-root user with Sudo privileges.An Apache2 web server installed on the machine.Installing the Apache UtilitiesWe needed to install an Apache2 utility package called ‘htpasswd’ where this utility is a part of ‘apache2-utils’ packages.This will help us to create and manage the username and password which is needed to access the restricted part of the website.Below is the command to ...
Read MoreHow to Set Up and Configure Jekyll Development Site on Ubuntu 16.04
In this article, we will learn how to setup and configure Jekyll Development Site. Jekyll provides the benefits of the Content Management System (CMS) with performance and security which appears in the database-driven sites. It is also called as blog-aware which has features of handling the date-organized contents. It is especially suitable for the people who work off-line, which also provides the lightweight editor with content management which has the version control for tracking the changes made on their websites.PrerequisitesA machine with Ubuntu 16.04 installed.A user with Sudo permissions on the machine.Installing the Jekyll Development Site on Ubuntu 16.04Before we ...
Read MoreHow to Remove Empty Lines from a File on ubuntu
Do you know how to remove empty lines from the file in Ubuntu? It may also be performed manually if the file has few strains but if the file has hundreds of thousands of line that is tough to be accomplished manually. This article explains you about – how to remove empty lines from a file on Ubuntu.Our sample file should be like this –Use the following command to remove the Empty lines from a file as shown below –$ ex -s +'v/\S/d' -cwq abc.txtIn the above command abc.txt indicates the file name. The sample output should be like this ...
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