Step by step Rocky Linux 8.x Installation easy guide with screenshots
July 26, 2021 No Comments
A simple step-by-step guide for Installing Rocky Linux 8.x with screenshots.
Recent Posts
Integrating RHEV or Ovirt with Red Hat IDM for User Authentication | 1 Easy guide
July 15, 2021 No Comments
A simple guide to Integrate RHEV Manager with Red Hat IDM or FreeIPA server for the User Authentication.
Solution for IPA Error 4203: DatabaseError
July 12, 2021 No Comments
Quick solution to fix the IPA error 4203 database error while adding new users from the IDM web interface.
Troubleshooting Guides
Change default kernel to boot in RHEL 8 | Easy guide
December 13, 2020 No Comments
A how-to guide to Set the default kernel in RHEL based operating system. This may be required when we are installed with multiple kernel versions in our Linux servers.
grub2-editenv: error: environment block too small | Simple Solution
December 12, 2020 No Comments
A quick guide to resolve the “grub2-editenv: error: environment block too small” error when the grubenv file size exceeds the expected 1024 bytes.
vSAN cluster UUID mismatch | 1 Quick Solution
August 16, 2020 No Comments
A quick solution to resolve vSAN cluster UUID mismatch in VMware environment.
Logical Volume Management
Recover a failed or deleted Physical Volume (PV) in LVM | 1 Easy guide
A quick guide to recover the metadata of a failed physical disk or deleted physical volume in logical volume management.
December 17, 2020 No Comments
Logical Volume Management
Recover a deleted Logical Volume in LVM | 1 Quick guide
A quick guide about restoring a deleted logical volume in Linux operating system. vgcfgrestore a single command is more than enough to restore the LV.
December 15, 2020 No Comments
grub
Change default kernel to boot in RHEL 8 | Easy guide
A how-to guide to Set the default kernel in RHEL based operating system. This may be required when we are installed with multiple kernel versions in our Linux servers.
December 13, 2020 No Comments
grub
grub2-editenv: error: environment block too small | Simple Solution
A quick guide to resolve the “grub2-editenv: error: environment block too small” error when the grubenv file size exceeds the expected 1024 bytes.
December 12, 2020 No Comments
VMware
Adding USB Network Adapter to VMware ESXi 7.0 | Easy Guide
Quick and easy guide to add a USB Network Adapter in VMWare ESXi 7.0 servers by installing its driver and making the changes persistent.
December 10, 2020 No Comments
foreman
Foreman Upgrade with Katello in 3 easy steps
Upgrade foreman version in three steps or resolve the HTTP error (500 – Internal Server Error): Unable to register system, not all services available by following this simple quick guide.
December 8, 2020 No Comments
Kubernetes
Kubernetes metrics | Error from server (ServiceUnavailable) | Quick 2 fixes
A quick fix for the Kubernetes Metrics (service unavailable) and metric showing as (unknown) for Worker nodes.
December 4, 2020 2 Comments
Automation
Configure a PXE Boot Server with Kickstart on CentOS 8 – Easy guide
This guide will help to up and run with a PXE Boot Server or Network Boot installation in a short time span. Instead of performing step by step install, we will use a kickstart file to automate the process.
November 24, 2020 No Comments
monitoring tools
Prometheus with Grafana for Linux server monitoring in 5 easy steps
Prometheus with Grafana is an Open Source metric and alerting system. Let’s up and run to monitor the Linux servers in a few steps.
November 13, 2020 2 Comments
VMware
VMFS Partition Cleanup on VMware vSphere 7 – Easy Guide
A quick step by step guide to manually clean up the VMFS Partition on VMware vSphere 7.0 ESXi.
October 14, 2020 No Comments
Ansible
Deploy VMware Virtual machines with Ansible for lazy admins
Deploy a VMware virtual machine with Ansible using vmware_guest in a short span of time. This reduces manual intervention and creates virtual machines from an existing template.
October 7, 2020 1 Comment
Ansible
Install Ansible AWX on Kubernetes in 5 minutes
Ansible AWX or Ansible Tower will come with a Web user interface for Ansible tasks. Let make the installation process easier by following below guide.
September 17, 2020 13 Comments
Logical Volume Management Guides
How to Shrink XFS Partition for the root filesystem | 1 Easy guide
December 23, 2020 No Comments
An easy step by step guide to shrink XFS partition on a logical volume by taking an xfsdump and restore using xfsrestore.
Resize root LVM Partition in RHEL and Oracle Linux 7/8 | Easy guide
December 19, 2020 No Comments
A quick guide to Resize Root LVM partition on any RHEL based operating systems such as CentOS, Oracle Linux, Scientific Linux and much more.
Recover a failed or deleted Physical Volume (PV) in LVM | 1 Easy guide
December 17, 2020 No Comments
A quick guide to recover the metadata of a failed physical disk or deleted physical volume in logical volume management.
Recover a deleted Logical Volume in LVM | 1 Quick guide
December 15, 2020 No Comments
A quick guide about restoring a deleted logical volume in Linux operating system. vgcfgrestore a single command is more than enough to restore the LV.
Moving a Volume Group from one Server to another Server
May 10, 2020 2 Comments
Moving a Volume group from one system to another system without missing any underlying logical volumes and file systems.
Create a Thinly Provisioned Logical Volume on Linux
September 1, 2019 1 Comment
Thinly Provisioned Logical volume is one of the advanced feature available in Logical volume Management, We can provision storage more than what we have.
