Deepak Prasad

Learn how Linux applications are empowering tech-savvy kids to transform the classroom. Also, understand how to use this excellent software for education.

Discover where to set environment variables in Linux with this comprehensive guide, exploring methods for user-specific and system-wide configurations, as well as temporary and persistent variable settings.

Is there any single command to check openstack version or release name and how is Red Hat Openstack version mapping done.

Step by Step openstack installation Guide using packstack single node in centos or rhel 7 linux. Install Openstack on CentOS 7 using Packstack

Troubleshoot OpenStack ironic introspection for issues like Invalid provision state for introspection, Look up error: Could not find a node for attributes.

Here I have shared the steps to fix "ironic node-delete is associated with instance" where you fail to delete an ironic node accociated with an instance.

In this article I will show you the steps to create and set property of flavor with examples. Use openstack flavor set --property for existing flavors

machine learning has discovered computer video games as an interesting and rewarding area. Also, the video game market has become a prominent and proven global industry.

Discover how to use SFTP with IPv6 addresses in Linux, from configuring the SSH server to listen on IPv6 interfaces to connecting securely with the appropriate syntax.

The SQL LEFT JOIN clause allows you to query data from multiple tables. It returns all rows from the left table and the matching rows from the right table.

Online graphic editors have become increasingly popular in recent years, particularly as more and more people turn to the internet for their creative needs.

Product Data Management (PDM) and Product Lifecycle Management (PLM) are two essential tools for managing product development and production. Both PDM and PLM

C++ provides several file I/O functions that enable programmers to write and read data from files. One of these functions is WriteFile, which is part of the

Step by step instructions on OSPF configuration using Cisco router and examples

To "archive the username" in Java means to store the username for later access and retrieval. This may mean storing the username in a variable, class field,

vncserver service failed because a configured resource limit was exceeded tigervnc on RHEL 7, remove temporary files from under /tmp and /tmp/.X11-unix/.

Steps to configure bridged network in virt-manager. Virtual Machine Manager provides a graphical tool for administering virtual machines for KVM, Xen etc

Learn to configure NIC teaming on CentOS/RHEL 7 Linux node. RHEL 7 implements network teaming with a small kernel driver and a user-space daemon, teamd.

Define ephemeral storage. Difference between root disk vs ephemeral disk in openstack? Ephemeral storage is non persistent storage unlike cinder swift storage.

To download entire repository from CentOS / RHEL 7 you will need one time access to Internet. Next you can sync the online repository to your local system

Download rpm package and all dependencies in CentOS / RHEL 7 using yumdownloader or repotrack. You can also use repoquery with yumdownloader to download rpm

To find or get complete dependencies list of rpm you can use rpm, yum and repoquery command for both installed and non installed package

Get detailed description of Step by Step Guide of Linux boot process with flowchart diagram. This also is the most asked question in interviews in Linux.

Learn to set password to protect grub2 from booting a kernel without password. in rhel 7.To set password and protect grub2 remove unrestricted in menuentry

How to exit full screen mode in qemu virt-manager for kvm hosts or get out of fullscreen. This article is validated on RHEL / CentOS 7 Linux on vnc viewer.

Understand thearchitectecture of different kinds of cluster i.e. high performance, load balancing and high availability cluster in Red Hat Linux

Configure high availability cluster, create cluster resource and troubleshoot cluster resource for a cluster on Red Hat / CentOS 7 with examples.

Configure High Availability Cluster and configure cluster resource and add behind the cluster in CentOS and Red Hat 7 Linux using pcs resource create..

Understand resource group and constraints with examples in Cluster. Different types of constraint, adding existing resource to group, High Available Cluster

OpenStack command line cheat sheet for begineer. This CLI cheat sheet consists of Flavor, Identity, Compute Nova, Neutron Network, Block Storage, Guestfish