Overview Many times we need to work with remote Linux systems. We login to the remote host, perform work and exit that session. Can we perform all these actions from local machine ? Yes, it’s possible and this tutorial demonstrates it with exhaustive examples. Command … Read more
In this blog post, we will explain how to create KVM virtual machine (vm) snapshot with virsh command. While working on the virtualization platform system administrators usually take the snapshot of virtual machine before doing any major activity like deploying the latest patch and code. … Read more
As discussed in our earlier article, Icinga2 is an open source tool for monitoring the IT resources. We have already covered the installation of icinga2 on CentOS / RHEL 7 machines & in this tutorial, we are going to learn to add Windows & Linux … Read more
Welcome back LinuxTechi users, with the continuation of our openstack deployment with Tripleo approach. In this tutorial we will discuss the steps how we can deploy tripleo overcloud Servers (Controller and Compute) via undercloud on CentOS 7 VMs hosted in KVM hypervisor. In our last … Read more
Foreman is a free and open source Configuration and provisioning tool which can be installed on Red Hat, CentOS, Scientific Linux, Debian and Ubuntu Systems. With Forman tool we can easily provision Virtual machines and bare metal servers and then configure the installed systems using … Read more
Undercloud is a single node OpenStack installation deployed either in a Virtual machine or in bare metal server. The objective of undercloud is to install, test, manage and update its overcloud servers (Controller, Compute & Storage nodes). In Red Hat terminology undercloud is known as … Read more
Hello and Welcome to all Linux Lovers to LinuxTechi, one of the leading Linux Tutorials and Guide website. Today we are going to see about the newly released Fedora 27 Server, its new features along with a step by step guide on how to install … Read more
We use compression or archives the file & folders either to backup or to save space on our system. We can use tar, gzip or any other utility to perform the compression/archiving of the files and folders. We can than keep them for as long … Read more
Hello techies, in this blog post, we will cover how to setup Bind (DNS Server) on Ubuntu 22.04 LTS (Jammy Jellyfish) step by step. BIND or BIND 9 is an open source implementation of DNS, available for almost all Linux distributions. BIND stands Berkeley Internet … Read more
When planning to install any Linux distributions, you definitely need a bootable USB flash drive or bootable DVD. There are several 3rd party applications that helps you turn the ISO file into a Bootable USB disk. With a Bootable drive, you can not only install … Read more
ReaR or Relax & Recover is a migration & disaster recovery tool. REAR creates a bootable image for the running Linux machine & when required same bootable image can be used to recover the system. Same image can be used to restore the OS to … Read more
For Linux system admins, booting RHEL 7 / CentOS 7 servers in single user mode is the most common day to day activities. Single user mode is considered as maintenance or emergency mode where we can perform our troubleshooting steps. Following are the scenarios where … Read more
