How To Deploy a Rails Application with Apache using Phusion Passenger

A passenger is an open source web application server for Ruby. It handles HTTP requests, manages processes and resources, and enables administration, monitoring, and problem diagnosis. A passenger is very easy to use, makes deploying in production

How to Enable TLS Version in mod_ssl on Apache Webserver

mod_ssl combines the flexibility of Apache with the security of OpenSSL. mod_ssl is an Apache module that provides SSL v2/v3 and TLS v1 support for the Apache HTTP Server. SSL 2.0 and SSL 3.0 having lots of

How to Install Ruby 2.4.0 on CentOS/RHEL with RVM

Ruby 2.4.0 is a dynamic, object-oriented programming language.We are using RVM, which stands for Ruby Version Manager. RVM is a command-line tool which allows you to easily install, manage and work with multiple ruby version of Ruby

How to Install Ruby 2.3.3 on CentOS/RHEL with RVM

Ruby is a dynamic, object-oriented programming language. We are using RVM, which stands for Ruby Version Manager. Ruby 2.3.3 provides substantial performance and reliability improvements include frozen string literal pragma, safe navigation operator and many others while

How to Downgrade PHP 7.1 to 5.6 on Ubuntu

Suppose your system is Ubuntu and PHP 7.1 install on your system. But your application is not supporting PHP 7.1. So you need to downgrade PHP 7.1 to 5.6 without removing the new version. You can simply

How To Generate SSL Certificate Signing Request (CSR) in Linux

A Certificate Signing Request (CSR) is an intermediate form of an SSL certificate that enables a Certificate Authority (CA) to generate a signed SSL certificate and verify the identity of a domain’s owner. A CSR is an

How to Install Ruby 2.2.4 on CentOS/RHEL with RVM

Ruby 2.2.4 is a dynamic, object-oriented programming language.We are using RVM, which stands for Ruby Version Manager. RVM is a command-line tool which allows you to easily install, manage and work with multiple ruby version of Ruby

How to Install Samba 4.3.4 on CentOS/RHEL 7

Samba is a free Open Source software which provides a standard interoperability between Windows OS and Linux/Unix Operating Systems. Major features for Samba4: 1) Support for the ‘Active Directory’ logon and administration protocols that support Windows XP,

Puppet vs. Chef vs. Ansible vs. SaltStack

Puppet, Chef, Ansible, and Salt were all built to make it much easier to configure and maintain more than hundred of servers. It’s not mean that smaller companies won’t take benefit of these tools, as automation and

What is Puppet Management Tool and It’s Benefits

Puppet is made by Luke Kanies. It’s based on Ruby language. Currently, Puppet is upheld by Puppet Labs and Luke Kanies is the CEO of Puppet Labs. Puppet is a tool manage to deal with the configuration