Technology Archive
10 Jul 2017
Understanding Linux initrd – Initial RAM Disk
By Anuket Jain On 10 July 2017 In Linux
initrd (initial RAM disk) is a temporary root file system that is mounted during system boot to support the two-state boot process. The initrd is bound to the kernel and loaded as part of the kernel boot
10 Jul 2017
How To Deploy a Rails Application with Apache using Phusion Passenger
By Anuket Jain On 10 July 2017 In Linux
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
8 Jul 2017
How to Enable TLS Version in mod_ssl on Apache Webserver
By Anuket Jain On 8 July 2017 In Linux
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
7 Jul 2017
How to Install Ruby 2.4.0 on CentOS/RHEL with RVM
By Anuket Jain On 7 July 2017 In Linux
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
7 Jul 2017
How to Install Ruby 2.3.3 on CentOS/RHEL with RVM
By Anuket Jain On 7 July 2017 In Linux
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
7 Jul 2017
How to Downgrade PHP 7.1 to 5.6 on Ubuntu
By Anuket Jain On 7 July 2017 In Linux
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
6 Jul 2017
How To Generate SSL Certificate Signing Request (CSR) in Linux
By Anuket Jain On 6 July 2017 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
5 Jul 2017
How to Install Ruby 2.2.4 on CentOS/RHEL with RVM
By Anuket Jain On 5 July 2017 In Linux
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
5 Jul 2017
How to Install Samba 4.3.4 on CentOS/RHEL 7
By Anuket Jain On 5 July 2017 In Linux
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,
4 Jul 2017
Puppet vs. Chef vs. Ansible vs. SaltStack
By Anuket Jain On 4 July 2017 In Automation Tool
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