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RedHat

Best Practices for Deploying Hadoop Server on CentOS

Best Practices for Deploying Hadoop Server on CentOS/RHEL 7 – Part 1

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In this series of articles, we are going to cover the entire Cloudera Hadoop Cluster Building building with Vendor and Industrial recommended best practices. Part 1: Best Practices for Deploying Hadoop Server on CentOS/RHEL

CentOS Server Monitor Using Netdata

How to Monitor Performance Of CentOS 8/7 Server Using Netdata

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There are tons of monitoring tools that are used for keeping an eye on systems performance and sending notifications in case something goes wrong. However, the installation and configuration steps involved are often tedious.

Configure Network Interface in CentOS 7

How to Configure Network Static IP Address on RHEL/CentOS 8/7

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The scope of this tutorial is to explain how we can edit and make changes to Network Configurations on RHEL/CentOS 8/7 from the command line only, and, more specifically how we can set up

Setup OpenVPN Server and Client in CentOS 7

How to Install and Configure OpenVPN Server in CentOS 8/7

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A Virtual Private Network is a technology solution used to provide privacy and security for inter-network connections. The most well-known case consists of people connecting to a remote server with traffic going through a

Linux Log Rotation with Logrotate

How to Setup and Manage Log Rotation Using Logrotate in Linux

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One of the most interesting (and perhaps one of the most important as well) directories in a Linux system is /var/log. According to the Filesystem Hierarchy Standard, the activity of most services running in

Fix Temporary failure in name resolution

How to Resolve “Temporary failure in name resolution” Issue

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Sometimes when you try to ping a website, update a system or perform any task that requires an active internet connection, you may get the error message ‘temporary failure in name resolution’ on your

Install PostgreSQL with Pgadmin in RHEL 8

How to Install PostgreSQL and pgAdmin in RHEL 8

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Pgadmin4 is an opensource web-based management tool for managing PostgreSQL databases. It’s a Python-based web-application developed using the flask framework at the backend and HTML5, CSS3, and Bootstrap on the frontend. Pgadmin4 is a

Monitor Nodejs Apps Using PM2

How to Monitor Node.js Applications Using PM2 Web Dashboard

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PM2 is a popular daemon process manager for Nodejs with a complete feature set for a production environment, that will help you manage and keep your application online 24/7. A process manager is a

Install Odoo in CentOS 8

How to Install Odoo (Open Source ERP and CRM) on CentOS 8

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Odoo is an opensource all-in-one business management software that ships with a suite of various business applications for various uses such as eCommerce, project management, helpdesk, accounting, inventory, and a website builder to mention

Passwordless SSH Login for Multiple Remote Servers

Setup Passwordless SSH Login for Multiple Remote Servers Using Script

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SSH Key-based authentication (also known as public-key authentication) allows for password-less authentication and it is a more secure and a much better solution than password authentication. One major advantage of SSH password-less login, let

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How to Install Nagios 4.4.5 on RHEL/CentOS 8/7 and Fedora 30

Limit CPU Usage of a Process in Linux with CPULimit Tool

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