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Ubuntu Articles
Page 12 of 13
How 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 ...
Read MoreHow to Quickly Install WordPress On Ubuntu/Linux Mint
WordPress is a free and open source website and blogging tool and it is the most popular CMS (content management system) on the internet. It allows you to easily set up flexible blogs and websites on top of a MySQL backend with PHP processing. This article describes “How to install WordPress on Linux with bash script”. Bash script automatically downloads and installs the latest version of WordPress in any place of your choice.Installing LAMPTo install and run WordPress on your system, pre-installation on your web server is required.Use the following command to install LAMP web server.$ sudo apt-get install lamp-server^The ...
Read MoreHow To Install and Setup Sphinx on Ubuntu 16.04
In this article, we will learn about how to install and setup Sphinx on Ubunt 16.04, Sphinx is an open source search engine which allows for full test searches, and is best in performing searches with a huge data very effectively where the data can be from any sources, (Ex − SQL Databases, plain text files, etc., )Features of the SphinxAdvanced indexes and good tool for querying.High Searching performance and indexes.Advances result for post-processing.Easily scalable with advanced searches.Can be integrated with SQL and XML sources.Can be scalable for handing the huge data with 1000’s of queries.PrerequisitesBefore we begin we needed ...
Read MoreHow To Install and Configure “R” on Ubuntu 16.04
In this article, we will learn how to install and configure R on Ubuntu 16.01. “R” is an open-source programming language which can be specially used for statistical computing and performing analytical data. Where “R” has the community well know for the packages generated by the users in a specific area of study. We will install the “R” package using the CRAN (Comprehensive “R” Archive Network).PrerequisitesWe need a Linux machine install with Ubuntu 16.04 server with a minimum of 1 GB of RAM.A non-root user with Sudo permissions on the machine.Adding the CRAN repository to the Machine and Install R ...
Read MoreHow to install and configure puppet 4 on ubuntu 16.04
In this article, we will learn – How to install and configure the Puppet 4 on Ubuntu 16.04. Puppet is a configuration management tool which helps in the automation of tasks with respect to system administrators. These type of tools will save a lot of time and effort too.Pre-requisitesHere in this article, we need at least two to three Ubuntu machines with the following requirements.All the machines with a non-root user with Sudo permissions on the machine.One Puppet masterOne or two puppet agents to test the configuration.Configuring the Host FilesAll the server and clients needed to communicate with the host ...
Read MoreHow to set up openvpn on ubuntu 16 04
In this article, we will learn how to configure OpenVPN server on Ubuntu Linux. Yes, we can do it using a VPN (Virtual Private network) which allows you to connect to work place from untrusted networks privately and securely. For instance, If you are in a hotel or a coffee shop and wish to access work environment safely and securedly through a Wi-fi network using a Smartphone or laptopOpenVPN is a full featured and open source secure socket layer (SSL) VPN solution that accommodates wide range of configurations.Installing OpenVPNTo start the installation, we needed an Ubuntu machine with non-root user ...
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