Network configuration after CentOS 7 minimal installation

In this tutorial I am going to show you, Network configuration after CentOS 7 minimal installation. So let’s start and see step by step network configuration. After minimal installation of RHEL7 or CentOS7, May be we are not able to connect our server with network, It’s because Ethernet interfaces are not enabled by default. Now we will see how to… Read moreNetwork configuration after CentOS 7 minimal installation

DNS Server and Client Configuration in CentOS 7

Today we will see, DNS Server and DNS Client configuration in CentOS 7. So lets start step by step DNS server and DNS Client installation and configuration. Before installation we should know what is DNS? What is DNS DNS, stands for Domain Name System. DNS translates hostnames or URLs into IP addresses. For example, if you type any url like… Read moreDNS Server and Client Configuration in CentOS 7

Network Bonding configuration on CentOS 7 and RHEL 7

In this tutorial we will see, How to configure network bonding in CentOS 7 and RHEL 7. So first of all we should know, What is network Bonding? What is Network bonding? The Linux bonding driver provides a method for aggregating multiple network interfaces into a single logical “bonded” interface. If there is any one physical interface will goes down… Read moreNetwork Bonding configuration on CentOS 7 and RHEL 7

TripleO UnderCloud Installation on CentOS 7

In this tutorial I am going show you Tripleo (OpenStack on OpenStack) UnderCloud installation on CentOs 7 VM. We will see step by step UnderCloud installation and configuration on CentOS 7 VM. We will also know what is UnderCloud and how it is work? So lets start. What is TripleO UnderCloud? TripleO is know as OpenStack on OpenStack. TripleO is… Read moreTripleO UnderCloud Installation on CentOS 7

FreeRADIUS and Daloradius installation on CentOS 7

we will see how to install FreeRADIUS server with Daloradius on Centos 7 and RHEL 7. So first of all we should know what is RADIUS and Daloradius? What is RADIUS? RADIUS, which stands for “Remote Authentication Dial In User Service”.RADIUS authentication and accounting protocols, which are UDP-based protocols. During the RADIUS authentication phase a network client connects to a… Read moreFreeRADIUS and Daloradius installation on CentOS 7

Apache and PHP 7 installation on CentOS 7 and RHEL 7

In this tutorial, I am going to show you how to install Apache and PHP 7 on CentOS7 and RHRL7. So let’s start step by step Apache and PHP Installation. This tutorial will very helpful for you if you want to deploy your PHP application with Apache web server. Step 1:- Setup Yum Repository First of all, we need to enable… Read moreApache and PHP 7 installation on CentOS 7 and RHEL 7

How to increase default Nova Quota in Openstack.

Today, we will see how to increase default Nova Quota in Openstack. After Openstack deployment, may be our complete compute resources are not display in default quota. For example we have 4 compute node where 24 CPU on each compute node. Then in Openstack default nova quota may be display 48 CPU. If you want to use 96 CPU for… Read moreHow to increase default Nova Quota in Openstack.

How to create snapshot of instance in openstack

In this tutotrial, we will see how to create snapshot of instance and how create a new instance from snapshot in openstack. Some time we need multiple instances with same configuration or sometime we need to move one instance from one Openstack setup to another Openstack setup. In this case we can use snapshot feature of Openstack, which provide us… Read moreHow to create snapshot of instance in openstack

LVM installation and configuration in CentOS 7 and RHEL 7

In this tutorial we will see, LVM installation and configuration in CentOS 7 and RHEL 7. So first of all we should know what is LVM? and why we use LVM in Linux? What is LVM? Logical Volume Management (LVM), is a storage device management technology that gives users the power to pool and abstract the physical layout of component… Read moreLVM installation and configuration in CentOS 7 and RHEL 7