Category: opensource

how to install nodejs from source

Prabhin Prabharkaran

Hi All, This document shows you how to install nodejs from the source. Node.js is an open-source, cross-platform, back end, JavaScript runtime environment that executes JavaScript code outside a web browser Step 1: Download your respective node version from the below link Im downloading 8.11.3 as there is my source code compatibility issue with other latest version. Make sure that you download the source code one. Step 2: Extract the downloaded package Step 3: Compile the source code Step 4: install the package This is gonna be long process, be…

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how to install clickhouse

Prabhin Prabharkaran

Hi All, this document deals with how to install click house ClickHouse is an open-source column-oriented DBMS for online analytical processing. ClickHouse was developed by the Russian IT company Yandex for the Yandex. Metrica web analytics service. ClickHouse allows analysis of data that is updated in real time. The system is marketed for high performance Step 1: check if your system is compatible for the installation. Check if your system allows SSE(Streaming SIMD Extensions). if the output is SSE 4.2 supported then proceed with the further installations. Step 2: Install…

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Install Postman on Ubuntu 16.04/18.04/19.10/20.04

Praseeb K Das
Postman install ubuntu

Postman is an application which is currently one of the most popular tools used in API development and testing. It helps you manage your APSs in every stage of development from designing and testing to publishing API documentation and monitoring. It is a very user-friendly interface for calling remote API. Prerequisites Make sure you having Sudo privileges while installing this application. If you are running on Ubuntu 16+ or late, including Ubuntu 18+, Ubuntu 19+ and Ubuntu 20+, you don’t need to do anything. Snap is already installed and ready…

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Ansible playbook for MongoDB Replication setup on CentOS7

Raghavendar Dandothkar

Hi Techrunnr, this post is regarding mongoDB installation and replica setup with HA using ansible on CentOS7 Prerequisites: 3 servers with CentOS7 operating system Deploy 3 servers in 3 different AZ Python on 3 nodes Ansible on execution server Enable Security groups on each server to communicate with each other Create 3 servers on different AZ Lets say server A <IP1>, server B <IP2>, server C <IP3>, make sure that security groups are enable to allow traffic from each other Edit the /etc/hosts file in 3 nodes, add the IP…

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How to convert PFX to separate .key/.crt file

Praseeb K Das
PFX to crt and key

In this article, we will see the commands used to convert.PFX certificate file to separate certificate and key file. Check OpenSSL package is installed in your system. Step1: Go to the .pfx folder location. Now type the below command to extract the private key from pfx file. The explanation for this command, this command extract the private key from the .pfx file. Now we need to type the import password of the .pfx file. This password is used to protect the keypair which created for .pfx file. After entering import…

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install cordova and ionic in ubuntu

Prabhin Prabharkaran

install cordova and ionic in ubuntu Hi Techrunnr Readers, this document deals with how to install cordova and ionic in ubuntu server. Node.js is an open-source, cross-platform JavaScript run-time environment that executes JavaScript code outside of a browser. NodeJs 1. Add the repository 2. Install nodejs Cordova Apache Cordova is a mobile application development framework originally created by Nitobi. Adobe Systems purchased Nitobi in 2011, rebranded it as PhoneGap, and later released an open source version of the software called Apache Cordova 1. Install cordova Ionic Ionic is a complete…

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Install and configure Presto

Prabhin Prabharkaran
presto

how to install and configure presto Hi All subscribers today we will show you how to install and configure presto Presto is an open source distributed SQL query engine for running interactive analytic queries against data sources of all sizes ranging from gigabytes to petabytes. Presto was designed and written from the ground up for interactive analytics and approaches the speed of commercial data warehouses while scaling to the size of organizations like Facebook. Prerequisites  * Java installed server, if not installed follow this link Installation Step 1: Download latest…

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Create new user in Openwrt

Prabhin Prabharkaran

Here we will show you how to create new user openwrt. In the previous document we have seen how install Openwrt in TPLINK router. Check the previous blog if you have missed. OpenWrt is an open source project for embedded operating system based on Linux, primarily used on embedded devices to route network traffic. The main components are Linux, util-linux, musl, and BusyBox. Step1: Login to the console using root user. Step2: Follow the following commands. root@OpenWrt:~# opkg install shadow-useradd root@OpenWrt:~# mkdir /home root@OpenWrt:~# useradd -D GROUP=100 HOME=/home INACTIVE=-1 EXPIRE=…

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Setup Openwrt in TPLink

Prabhin Prabharkaran

Hi All ,this document shows how install Openwrt in TPLink router. Here we are using TPLINK 1043ND. OpenWrt is an open source project for embedded operating system based on Linux, primarily used on embedded devices to route network traffic. Step1:Goto Openwrt website openwrt.org and check the whether your device is supported or not. Step2:Once your device is supported the download the corresponding firmware from the openwrt.org. Step3:Now log on to the Tp-Link router web-interface by typing the default IP 192.168.0.1 Step4:Check before flashing the router all are working fine. Step5:…

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